Relevant bibliographies by topics / Light management

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Light management'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 May 2024

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Journal articles on the topic "Light management"

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Sharma, Prabhakar. "Smart Traffic Light and Street Light Management System." International Journal for Research in Applied Science and Engineering Technology 9, no. 1 (January 31, 2021): 392–97. http://dx.doi.org/10.22214/ijraset.2021.28989.

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Gulbakhor, Khodjamuratova. "Main Directions of Investment Project Management in Light Industry Enterprises." International Journal of Psychosocial Rehabilitation 24, no. 5 (April 20, 2020): 4981–97. http://dx.doi.org/10.37200/ijpr/v24i5/pr2020207.

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Kumar, Harsh, Vijay Kumar, Bharat Singh, and Manish Saraswat. "Design and Fabrication of Street Light Management and Control System." International Journal of Materials Manufacturing and Sustainable Technologies 1, no. 2 (December 30, 2022): 10–21. http://dx.doi.org/10.56896/ijmmst.2022.1.2.008.

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In India, most of the streets within the habitations are illuminated from evening until morning, averaging roughly 12 hours per day. Throughout the night, some streets may not have automobiles or even pedestrians travelling through them which results in power loss. In addition, the number of vehicles on the road is increasing every day, and traditional traffic management is still in use, road accidents are one of our country's key issues. Many important lives are lost as a result of these accidents, which occur when emergency assistance is unavailable. So, our proposed solution for this problem is that we are designing a model that first detects the traffic and examine then based on situation it controls the lightening system and send traffic intensity data to internet hour wise. For accident detection we used the SOS button to get help immediately and crewman get the exact location of accident. According to the results obtained from the proposed method, energy usage is greatly reduced, and we can receive a very quick alarm when something unpleasant occurs.
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Fesq, Heike, Johannes Ring, and Dietrich Abeck. "Management of Polymorphous Light Eruption." American Journal of Clinical Dermatology 4, no. 6 (2003): 399–406. http://dx.doi.org/10.2165/00128071-200304060-00004.

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BRINDHA, S., PAL PIYUSH, SINGH SHIKHAR, VINOD ABHISHEK, and KUMAR MITRA SAYAN. "SMART LIGHT MANAGEMENT USING IoT." i-manager's Journal on Information Technology 10, no. 3 (2021): 23. http://dx.doi.org/10.26634/jit.10.3.16633.

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Magableh, Aws Abed Al Raheem, Mohanad A. Almakhadmeh, Nawaf Alsrehin, and Ahmad F. Klaib. "Smart Traffic Light Management Systems." International Journal of Technology Diffusion 11, no. 3 (July 2020): 22–47. http://dx.doi.org/10.4018/ijtd.2020070102.

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Traffic congestion is a major concern in many cities. Failure to heed signals, poor law enforcement, and bad traffic light management are main factors that have led to traffic congestion. One of the most important problems in cities is the difficulty of further expanding the existing infrastructures. Having that in mind, the main accessible and available alternatives that could provide better management of the traffic lights is to use technological systems. There are many methods available for traffic management such as video data analysis, infrared sensors, inductive loop detection, wireless sensor networks, and a few other technologies. This research is focused on reviewing all these existing methods and studies using a systematic literature review (SLR). The SLR was intended to improve the synthesis of research by introducing a systematic process. This article aims at analyzing and assessing the existing studies against selected factors of comparison. The study achieves these aims by analyzing 78 main studies. The research outcomes indicated that there are decent numbers of studies that have been proposed in the area of smart traffic light management. However, less attention has been paid on the possibility of investigating the use of live traffic data to improve the accuracy of traffic management.
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Hartmann, J., and Stephan Völker. "Thermal Management of Light Sources." International Journal of Thermophysics 32, no. 1-2 (January 2011): 513–22. http://dx.doi.org/10.1007/s10765-011-0931-0.

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Costa, Rubén D. "Bio‐Materials for Light Management." Advanced Functional Materials 28, no. 24 (June 2018): 1802462. http://dx.doi.org/10.1002/adfm.201802462.

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Bhavana, Pendurthy, Pediredla Likhitha, Chiluvuri Manoj, and Lakshmi Sutha Kumar. "IoT based Dynamic Road Traffic Management System." Journal of Physics: Conference Series 2466, no. 1 (March 1, 2023): 012025. http://dx.doi.org/10.1088/1742-6596/2466/1/012025.

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Abstract Traffic due to automobiles is a major problem in many urban places in India as well as in other countries. Malfunctioning of the traffic lights and various other dysfunctionalities has led to traffic congestion which hurts the economy, environment, and overall quality of life. Hence it is very important to manage the traffic congestion problem effectively. In this paper, a prototype is proposed for a traffic management system using IR sensors, Arduino, serial to the parallel shift register, and LED displays. The density of the traffic is measured by placing the IR sensors at the 4 lane junction after a certain distance. The data collected from sensors is used to dynamically change the sequence of green lights as well as to dynamically change the green light delays. The proposed road traffic management system is implemented in the proteus software. For high traffic zone, a higher green light delay is given whereas for low density zone, the duration of the green light delay is reduced. The system is also designed in such a way as to give preference to the lanes which have no vehicles/very few vehicles by providing the least green light delays.
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Scott, Camilla. "Reproductive management of the transitional mare." UK-Vet Equine 4, no. 2 (March 2, 2020): 42–47. http://dx.doi.org/10.12968/ukve.2020.4.2.42.

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The mare is a seasonally polyoestrous long-day breeder with a physiological breeding season lasting from April–October in the Northern Hemisphere. The hypothalamic-pituitary-gonadal axis in the mare is subject to a circannual endogenous rhythm that is primarily regulated by day length. Increasing ambient photoperiod in the spring alters the pattern of melatonin secretion. The resulting stimulation of hypothalamic gonadotropin-releasing hormone secretion triggers pituitary follicular stimulating hormone release and follicular growth. Exposure of mares in deep anoestrus to a stimulatory photoperiod remains the most successful method of advancing the first ovulation of the season. The most commonly used lighting regimen is providing a fixed length of 15–16 hours of light exposure and 8–9 hours of dark, with a minimum light intensity in a stable of 100-lux (100–200 watt incandescent bulb). Other methods include using an additional 2.5 hours of light beginning at sunset and a pulse lighting system, providing 1 hour of light, 9.5–10.5 hours after the onset of darkness, during the photosensitive phase. Alternatively, the EquilumeTM light masks provide a unilateral LED light source emitting 50 lux of blue-light directly to the eye during the hours after dusk (until 11 pm). Mares that have not been maintained under lights, or that have been exposed to ineffective light therapy, may require therapeutic hormonal intervention to advance the onset of the first ovulation of the season. Many hormone protocols involving progestins, GnRH, dopamine agonists and recombinant luteinising hormone/follicle stimulating hormone have been studied with variable results. Therapy is typically more effective when started either in late transitional mares or following a period of stimulatory artificial photoperiod.
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Dissertations / Theses on the topic "Light management"

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Martins, Emiliano. "Light management in optoelectronic devices." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/6133.

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This thesis presents studies on light management in optoelectronic devices. The broad aim of the thesis is to improve the efficiency of optoelectronic devices by optimised light usage. The studies emphasise the design and fabrication of nanostructures for optimised photon control. A key hypothesis guiding the research is that better designs can be achieved by ab initio identification of their desired Fourier properties. The specific devices studied are organic Distributed Feedback (DFB) lasers, organic solar cells and silicon solar cells. The impact of a substructured grating design capable of affording unprecedented control over the balance between feedback and output coupling in DFB organic lasers was investigated both experimentally and theoretically. It was found experimentally that such gratings can halve the threshold of organic DFB lasers. The reduction in the laser threshold is associated with reduced output coupling and higher feedback provided by the substructured gratings. The possibility of improving the efficiency of organic solar cells by trapping light into the absorbing medium was investigated. It was found that the low refractive index of the organic gain medium compromises the light trapping performance. It was found that strong absorption enhancement, however, can be achieved using plasmonic nanostructures. Finally, a novel design concept for light trapping in silicon solar cells is proposed. This design takes advantage of grating structures with long periods that are capable of providing broad-band light trapping, which is an important requirement for silicon solar cells. The design is based on a supercell that enables better light injection through manipulation of the grating's Fourier properties. The design idea leads to the formation of quasi-random nanostructures that afford great versatility for photon control. Strong light trapping was achieved and characterised both theoretically and experimentally.
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Ahmed, Waqas Waseem. "Light management in non-Hermitian systems." Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/586058.

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The quest for new artificial structures and materials uncovers novel new light-matter interactions, and intriguing physical phenomena. Since the late 80’s purely dielectric materials have been structured, at the wavelength-scale, to develop photonic crystals and photonic crystal fibres. Recently, also the modulation of gain and losses came into play. The new platform based on complex refractive index materials, combining index and gain-loss modulations, opens the door towards new physical concepts and novel applications. One of these fascinating new insights is the realization of classical analogues of quantum systems described by non-Hermitian Hamiltonians, where the complex refractive index plays the role of a complex optical potential. Thus, by carefully combining the real and imaginary parts of the refractive index; it is possible to observe unusual features that cannot be attained in classical Hermitian systems. In particular, non-Hermitian PT-symmetric systems, invariant under the parity and time-reversal symmetries, may support nidirectional mode coupling which is at the basis of novel ideas and applications such as unidirectional invisibility, single mode microlasers or super-sensitive sensors just to name a few. Non-Hermitian photonics has overturned the conventional negative perception of losses, and offers new possibilities to utilize the gain and loss for steering optical processes. The aim of this thesis is to provide new insights into the wave dynamics in this new artificial complex media since a flexible wave control may be essential to design novel technological devices. The work has a double scope: to propose and develop new concepts in fundamental science framework; and to provide technological studies for direct applications in actual and ubiquitous devices such as broad area semiconductor lasers. In this sense, the main contribution is a novel approach to manipulate the light flow using non-Hermitian systems for light localization and enhancement, and for the control of the flow of light following arbitrary vector fields and corresponding applications to photonic devices. We apply the new fundamental concept of local PT-symmetry to one and two dimensions PT-axisymmetric configurations to obtain highly localized fields at selected position or area. Further, we extend and generalize the idea of local PT-symmetry to design systems able to control the flow of light. We develop a mathematical framework to design such 2D (or higher dimensional) complex structured material for any arbitrary vector field and desired topology, referred as a local Hilbert transform which relates the real and imaginary parts of the complex refractive index. The theory of such directionality field is tested on random, periodic, quasi-periodic and localized patterns to generate arbitrary field flows in the form of a sink, vortices or circular channel flows, both in linear and nonlinear systems. Moreover, we investigate non-Hermitian structures for technological applications. We consider 2D periodic lattices, with simultaneous transverse and longitudinal PT-symmetry to obtain self-collimated beams, useful for example in integrated optics. We also propose different schemes of index and gain/loss modulations to enhance the stability of broad area semiconductor (BAS) devices. Besides, we show how: (i) the introduction of spatiotemporal modulation on the pump of vertical-external-cavity surface-emitting lasers (VECSELs) with a simple flat mirror configuration, may stabilize its emission; (ii) in phase modulations of index and gain-loss profiles stabilizes the emission from BAS lasers and amplifiers, a proposal relying on the suppression of modulation instabilities using dispersion management; (iii) PT-axisymmetry applied either to BAS lasers or VCSELs renders these lasers into bright and narrow laser sources.
La recerca de nous materials i estructures artificials revela nous mecanisme d’interacció llum-matèria i fenòmens físics inesperats. A finals dels 80, es desenvolupen els primers materials estructurats a escala de la longitud d'ona, cristalls fotònics i fibres de cristall fotònic, utilitzant materials purament dielèctrics. Més recentment, s’afegeixen també modulacions del guany òptic i pèrdues (absorció). Els nous materials artificials estructurats, que combinen modulacions d'índex i de guanys i pèrdues, caracteritzats per tenir índexs de refracció complexos, obren les portes a noves idees físiques i futures aplicacions. Aquests sistemes permeten també realitzar sistemes clàssics anàlegs als quàntics amb Hamiltonians no hermítics, on l’índex de refracció complex juga el paper de potencial òptic complex. Amb un dissenyat acurat del potencial òptic s’assoleixen característiques impossibles en sistemes hermítics clàssics. En particular, els sistemes no hermítics invariants sota la simetria de Paritat i d’inversió Temporal, denominats sistemes amb simetria PT, permeten acoblaments unidireccionals entre modes, que són la base d’idees i aplicacions sorprenents com: la invisibilitat unidireccional, microlàsers monomode, super-sensors,... La fotònica no hermítica canvia la percepció negativa que es tenia de l’absorció en dispositius òptics, ja que permet utilitzar de forma avantatjosa no només el guany òptic sinó també les pèrdues. L'objectiu d'aquesta tesi és aprofundir en la propagació dones a través de sistemes òptics no hermítics, ja que el seu control pot ser essencial per al disseny de nous dispositius. Així, la tesi té un doble objectiu: l’estudi d’aspectes fonamentals de la fotònica no hermítica i la seva aplicació directa en la millora de dispositius tecnològics ja existents (com en làsers de semiconductors) o innovadors. La principal aportació és el desenvolupament d’un nou mecanisme per al control i manipulació del flux de la llum, que permet: localitzar i concentrar la llum en un punt desitjat, o controlar el flux de llum seguint un camp vectorial arbitrari; i la proposta d’aplicacions a dispositius fotònics. Primer es formula un nou concepte fonamental: els sistemes amb simetria PT local (amb configuracions PT-axisimètriques en una i dues dimensions) per obtenir camps molt localitzats en una posició o àrea determinada. Després, es generalitza la idea per dissenyar camps capaços de controlar el flux de la llum. Es desenvolupa una eina matemàtica que anomenen transformació local d’Hilbert, per dissenyar aquest tipus de sistemes estructurats en dues (o més) dimensions, per aconseguir que el flux de llum segueixi qualsevol camp vectorial arbitrari i topologia desitjada. Aquesta transformació relaciona la part real i imaginària de l'índex de refracció complex. Es comprova el funcionament del potencials generats seguint aquest procediment, utilitzant inicialment diferents patrons: aleatoris, periòdics, quasi-periòdics o bé localitzats. En tots els cassos es demostra que és possible generar fluxos en forma radial, vòrtex o fluxos circulars, tant en sistemes lineals com no lineals. Pel que fa a aplicacions tecnològiques, es consideren xarxes periòdiques en dues dimensions, amb simetria PT transversal i longitudinal per obtenir feixos auto-col·limats, útils, per exemple, en òptica integrada. També s’estudien diferents esquemes per millorar l'estabilitat de fonts de llum de semiconductors d'àrea ampla (BAS). Es demostra que: (i) la modulació espacio-temporal del bombeig estabilitza emissors làser de superfície amb cavitat externa vertical (VECSEL) amb configuració de mirall pla; (ii) les modulacions d'índex i de guany i pèrdua poden suprimir les inestabilitats de modulació mitjançant el control de dispersió en làsers i amplificadors BAS amb; (iii) la simetria PT aplicada als làsers BAS o els VCSEL modula el feix
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Edwards, Paul Martin. "Intelligent monitoring & management of light sources." Thesis, Cardiff University, 2007. http://orca.cf.ac.uk/54622/.

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A new method for the monitoring of filament lamps and low pressure discharge lamps has been developed. The new technique monitors the electrical characteristics of the lamp to provide real time analysis of the lamp's condition, without the need for additional wires or expensive light sensors. The advent of low-cost microcontrollers developed for electrical metering applications means that not only is this technique technologically practical, it is also financially viable. The deployment of this technology, particularly in the case of UV water sterilizers, would improve safety and save the significant expense and environmental impact of unnecessary replacement lamps.
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Bell, Gregory E. "Understanding light : a resource for turfgrass management /." The Ohio State University, 1997. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487947908402696.

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Sutharssan, Thamotharampillai. "Prognostics and health management of light emitting diodes." Thesis, University of Greenwich, 2012. http://gala.gre.ac.uk/9815/.

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Prognostics is an engineering process of diagnosing, predicting the remaining useful life and estimating the reliability of systems and products. Prognostics and Health Management (PHM) has emerged in the last decade as one of the most efficient approaches in failure prevention, reliability estimation and remaining useful life predictions of various engineering systems and products. Light Emitting Diodes (LEDs) are optoelectronic micro-devices that are now replacing traditional incandescent and fluorescent lighting, as they have many advantages including higher reliability, greater energy efficiency, long life time and faster switching speed. Even though LEDs have high reliability and long life time, manufacturers and lighting systems designers still need to assess the reliability of LED lighting systems and the failures in the LED. This research provides both experimental and theoretical results that demonstrate the use of prognostics and health monitoring techniques for high power LEDs subjected to harsh operating conditions. Data driven, model driven and fusion prognostics approaches are developed to monitor and identify LED failures, based on the requirement for the light output power. The approaches adopted in this work are validated and can be used to assess the life of an LED lighting system after their deployment based on the power of the light output emitted. The data driven techniques are only based on monitoring selected operational and performance indicators using sensors whereas the model driven technique is based on sensor data as well as on a developed empirical model. Fusion approach is also developed using the data driven and the model driven approaches to the LED. Real-time implementation of developed approaches are also investigated and discussed.
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Pang, Hon Hou. "Engine thermal management in light duty diesel engine." Thesis, University of Bath, 2006. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492231.

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This thesis presents the investigation into the potential of improving the performance of Diesel engine through changes in the engine thermal management with the flexibility of integrating the changes from the engine control strategy. Analysis into previous studies in related area has identified low coolant inlet temperature, split cooling system and control of lubricant oil temperature as the features which held such potential. These features are further studied by implementing them on a mass produced Diesel engine in an experimental investigation. Although the engine response on fuel consumption and NOx output for most of the test conditions follow established trends with regard operating temperature, where higher operating temperatures increase NOx output but lowers fuel consumption, there are few unusual responses which can only be accounted by minor change in combustion characteristics. To evaluate the effect of these features, the resulting engine responses from various thermal conditions is compared against those of conventional engine control parameters. It is found that changing the thermal settings can lower the engine fuel consumption much more effectively than changing the settings of engine control parameter but the situation is reversed in the case of NOx output. Further, net improvement offered by the thermal variation is established by integrating the effect of the thermal variation within the flexibility in the fuel injection timing to produce optimised solutions. The optimised solutions indicate that there is a specific set of optimum operating temperature for the cylinder head and engine block every engine speed and load condition. The trend of the required average metal temperature required for optimum engine performance indicate the need for an active controlled engine cooling system in Diesel engine for enhanced performance.
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Wong, Hok-ming, and 黃學明. "Strategic management of China Light & Power Co., Ltd." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31267750.

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Wong, Hok-ming. "Strategic management of China Light & Power Co., Ltd. /." Hong Kong : University of Hong Kong, 1996. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1800359X.

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Hassan, Safaa. "Optical Property Study of 2D Graded Photonic Super-Crystals for Photon Management." Thesis, University of North Texas, 2020. https://digital.library.unt.edu/ark:/67531/metadc1703318/.

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In this dissertation, we study the optical property of 2D graded photonic super-crystals (GPSCs) for photon management. We focused primarily on manipulation and control of light by using the newly discovered GPSCs which present great opportunity for electromagnetic wave control in photonic devices. The GPSC has been used to explore the superior capability of improving the light extraction efficiency of OLEDs. The enhancement of extraction efficiency has been explained in term of destructive interference of surface plasmon resonance and out-coupling of surface plasmon through phase matching provided by GPSC and verified by e-field intensity distributions. A large light extraction efficiency up to 75% into glass substrate has been predicted through simulation. We also study the light trapping enhancement in GPSCs. Broadband, wide incident angle, and polarization independent light trapping enhancement is achieved in silicon solar cells patterned with the GPSCs. In addition, novel 2D GPSCs were fabricated using holographic lithography through the interference lithography by two sets of multiple beams arranged in a cone geometry using a spatial light modulator (SLM). Finally, we also report a fabrication of GPSCs with a super-cell size of 12a×12a by using e-beam lithography. Diffraction pattern from GPSCs reveals unique diffraction properties. In an application aspect, light emitting diode arrays can be replaced by a single light emitting diode shinning onto the diffraction pattern for a uniform fluorescence.
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PEDRINI, JACOPO. "Advanced Strategies for Light Management in Photonics, Imaging, and Sensing." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2017. http://hdl.handle.net/10281/153245.

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Il mio lavoro di tesi è stato mirato allo sviluppo di materiali per manipolazione della luce. Il principale obiettivo è stato quello di fabbricare e caratterizzare cristalli fotonici basati su materiali innovativi ad alto indice di rifrazione. Terminato questo progetto, l’obiettivo del mio lavoro si è spostato verso lo sviluppo di materiali per applicazioni biologiche: imaging anti-Stokes e sensing del pH intracellulare. In dettaglio, ho lavorato sulla nanofabbricazione e la caratterizzazione di cristalli fotonici a base di dicalcogenuri di metalli di transizione (TMD). In questo progetto ho dimostrato la potenzialità dei TMD per l’applicazione in fotonica che deriva da un indice di rifrazione sorprendentemente elevato nel loro intervallo di trasparenza. I TMD hanno limiti di fabbricazione che ne impediscono l’applicazione efficiente in fotonica. Nel mio lavoro ho dimostrato che questi limiti possono essere superati convertendo l’ossido di metallo di transizione corrispondente ad alta temperatura in presenza di un agente calcogenizzante. La sintesi dell’ossido di metallo di transizione è stata fatta con atomic layer deposition, tecnica di deposizione di film sottili estremamente potente che permette di controllare con estrema precisione la composizione e lo spessore del film depositato, oltre che di avere perfetta conformalità su qualunque substrato. In questo lavoro, ho prodotto, caratterizzato e modellizzato per la prima volta cristalli fotonici a base di TMD, dimostrando la possibilità di superare forti limiti di fabbricazione con tecniche semplici. Concluso questo progetto, il mio lavoro sulla manipolazione della luce è continuato, cambiando però l’interesse principale verso materiali per biotecnologie. In dettaglio, ho portato avanti un progetto di cui mi sono occupato durante la tesi di laurea che aveva come obiettivo lo sviluppo di materiali ad alta efficienza per up-conversion sensibilizzato basato su annichilazione tripletto-tripletto (TTA-UC). Il TTA-UC è una tecnica che permette di generare fotoni ad alta energia partendo da un’eccitazione ad energia minore, che è molto interessante per l’energia solare ma recentemente ha trovato applicazione anche in ambito biotecnologico come colorante ad alto contrasto e ad emissione anti-Stokes. L’applicabilità del TTA-UC a sistemi biologici è ancora sotto indagine perché le tipiche molecole che vengono utilizzate hanno una pessima solubilità in acqua. Nel mio lavoro, questo problema è stato affrontato e risolto sviluppando nano-micelle autoassemblate caricate con i cromofori per TTA-UC. Questa tecnica ha permesso di solubilizzare in acqua e in ambiente biologico i componenti per TTA-UC mantenendo un’alta efficienza. In parallelo, ho portato avanti il lavoro sulle applicazioni biotecnologiche con un obiettivo diverso, il sensing raziometrico del pH intracellulare utilizzando una particolare classe di nanocristalli core/shell chiamati dot-in-bulk (DiB). Questi nanocristalli hanno un’emissione a due colori che consiste in bande di fotoluminescenza molto separate che originano dal core e dalla shell, rispettivamente. La differente esposizione degli eccitoni di core e di shell all’ambiente circostante determina una diversa sensibilità a specie ossidanti e riducenti come ioni H+ e OH-, rispettivamente. In dettaglio, il core è poco influenzato dall’ambiente, mentre per la shell vale l’opposto. Questa doppia sensibilità rende i DiB estremamente interessanti per il sensing raziometrico. Nel mio lavoro, ho dimostrato per prima cosa la sensibilità al pH in soluzione. Verificata la non tossicità dei DiB per le cellule, questi ultimi sono stati inclusi in cellule HEK sia fissate che vive, dimostrando in entrambi i casi la possibilità di misurare una variazione di pH indotta esternamente. Questa è la prima dimostrazione di sensori di pH raziometrici a singola particella basati su nanocristalli inorganici a doppia emissione.
My PhD was mainly focused on efficient materials for photon managing in several applications. The major topic I dealt with during my thesis was the development and the characterization of photonic crystals based on novel, extremely high refractive index materials. As a parallel project, my focus was the development of materials for biological applications such as high contrast, anti-Stokes imaging and ratiometric intracellular pH sensing. In detail, I worked on the nanofabrication and characterization of photonic crystals based on transition metal dichalcogenides (TMDs). In this period, I demonstrated the potential of TMDs for their applications to photonics, due to a surprisingly high refractive index in their transparency range. TMDs have some fabrication issues that limit their use in electronics and photonics. However, I demonstrated that these limitations can be lifted by converting the corresponding pre-processed transition metal oxide by annealing it at high temperatures in presence of a chalcogenizing agent. The synthesis of the transition metal oxide was performed with atomic layer deposition, a powerful thin film growth technique that allows for extreme control on thickness and perfect conformality over any substrate. In this work I demonstrated the possibility to overcome strong fabrication constraints for TMDs by producing, characterizing and modeling TMD-based photonic crystals. To my knowledge, this is the first example of nanofabricated structures for photonics made with TMDs. My work on photon managing techiniques continued shifting focus towards biotechnological applications. Specifically, I carried on a project I dealt with during my master thesis that was targeted at the development of high efficiency materials for sensitized triplet-triplet annihilation based up-conversion (TTA-UC) in multicomponent organic systems. Briefly, TTA-UC is a technique that allows for the generation of a high energy light starting from a lower energy excitation. It has great interest in solar energy, but recently it is under the spotlight for its potential as anti-Stokes, high contrast fluorophore for biological imaging. However, TTA-UC biocompatibility is still under investigation because of poor water-solubility of the most efficient materials. In my work, this issue was tackled and solved by developing self-assembled nano-micelles loaded with a model TTA-UC chromophore pair. This approach preserves TTA-UC performances in water and biological media. In parallel, I carried on the work on biological applications of photon managing techniques for a different target, the sensing of intracellular pH with a particular class of core/shell engineered heterostructured nanocrystals called Dot-in-Bulk (DiB). These nanocrystals feature a dual color emission consisting in well separated red and green bands originating from core and shell, respectively. The different exposure to the environment of core and shell determines a different sensitivity to oxidative and reductive species as H+ and OH- ions, respectively. Specifically, the core is weakly affected by the environment, while the opposite is true for the shell. This double sensitivity makes DiB extremely promising for ratiometric pH sensing. In this work, pH sensitivity was first demonstrated in solution. Then, DiB were internalized in human embrionic kidney (HEK) cells. Importantly, viability tests showed no cytotoxicity, demonstrating good biocompatibility for DiB nanocrystals. After the internalization into HEK cells, I was able to track an externally induced modification to cellular pH, demonstrating for the first time a single particle, fully inorganic ratiometric pH sensor based on a dual color emitting structure.
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Books on the topic "Light management"

1

Watry, Duncan. Light rail fleet management plan. San Francisco, Calif: San Francisco Municipal Railway, 2001.

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Watry, Duncan. Light rail fleet management plan. San Francisco, Calif: San Francisco Municipal Railway, 2001.

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U.S. Fish and Wildlife Service. Division of Migratory Bird Management., ed. Final environmental impact statement: Light goose management. [Washington, D.C.]: U.S. Fish and Wildlife Service, 2007.

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E, Watson Leonard, and Sheffield City Polytechnic. Dept. of Education Management., eds. Management in the light of falling enrolments. [Sheffield?]: Sheffield City Polytechnic, Dept. of Education Management for the British Educational Management and Administration Society, 1986.

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Perše, Brigita. Cerkveni management v luči posvetnega: Church management in the light of secular management. Ljubljana: Teološka fakulteta Univerze v Lljubljani, 2013.

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Queen's University (Kingston, Ont.). Industrial Relations Centre., ed. Performance management: A new light through old windows? Kingston, Ont: Industrial Relations Centre, Queen's University, 2000.

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Greenberg, Paul. CRM at the Speed of Light. New York: McGraw-Hill, 2009.

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2012, International conference Management. Management 2012: Research in management and business in the light of practical needs. Prešov: Bookman s.r.o., 2012.

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David, Faulkner. Darkness and light: Justice, crime, and management for today. [London]: Howard League for Penal Reform, 1996.

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N, Shah Vikram, Idaho National Engineering Laboratory, EG & G Idaho., Ogden Environmental and Energy Services., and U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., eds. Insights for aging management of light water reactor components. Washington, DC: Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1994.

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Book chapters on the topic "Light management"

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Evans, Ken, Eirik Nordheim, and Katy Tsesmelis. "Bauxite Residue Management." In Light Metals 2012, 63–66. Cham: Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-319-48179-1_11.

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Evans, Ken, Eirik Nordheim, and Katy Tsesmelis. "Bauxite Residue Management." In Light Metals 2012, 61–66. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118359259.ch11.

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Gao, Yashuang, Mark P. Taylor, John J. J. Chen, and Albert Mulder. "Aspects of Change Management and Process Management at Some Smelters." In Light Metals 2015, 763–68. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093435.ch129.

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Gao, Yashuang, Mark P. Taylor, John J. J. Chen, and Albert Mulder. "Aspects of Change Management and Process Management at Some Smelters." In Light Metals 2015, 763–68. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48248-4_129.

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Nunez, Pernelle. "Sustainable Spent Pot Line Management Guidance." In Light Metals 2020, 1225–30. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36408-3_168.

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Brimmo, Ayoola T., and Mohamed I. Hassan. "On the Cast House Exergy Management." In Light Metals 2016, 773–76. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48251-4_131.

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Brimmo, Ayoola T., and Mohamed I. Hassan. "On The Cast House Exergy Management." In Light Metals 2016, 773–76. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119274780.ch131.

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Leisenberg, Wolfgang. "Flue Gas Management." In Essential Readings in Light Metals, 390–95. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48200-2_52.

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Leisenberg, Prof Dr Wolfgang. "Flue Gas Management." In Essential Readings in Light Metals, 390–95. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647745.ch52.

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Banjab, Ali Jassim, Gregory Meintjes, Jose Blasques, Mohammed Sadiq, Arvind Kumar, Maryam Mohamed Al-Jallaf, and Ali H. A. M. Al Zarouni. "Improved Energy Management During Anode Setting Activity." In Light Metals 2012, 587–90. Cham: Springer International Publishing, 2012. http://dx.doi.org/10.1007/978-3-319-48179-1_99.

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Conference papers on the topic "Light management"

1

Sarychev, Andrey K., Viktor A. Podolskiy, A. M. Dykhne, and Vladimir M. Shalaev. "Light management at nanoscale." In International Symposium on Optical Science and Technology, edited by Akhlesh Lakhtakia, Graeme Dewar, and Martin W. McCall. SPIE, 2002. http://dx.doi.org/10.1117/12.473004.

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Sukhorukov, Andrey A., and Yuri S. Kivshar. "Slow-Light Diffraction Management and Nonlinear Localization in Coupled Bragg-Grating Waveguides." In Slow and Fast Light. Washington, D.C.: OSA, 2006. http://dx.doi.org/10.1364/sl.2006.md2.

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Doble, Dan M. J. "Light Management in Photovoltaic Modules." In Optics and Photonics for Advanced Energy Technology. Washington, D.C.: OSA, 2009. http://dx.doi.org/10.1364/energy.2009.wd5.

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Yu, Zongfu. "Light Management in Resonant Structures." In Optics for Solar Energy. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/ose.2017.rth1b.3.

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Jäger, Klaus, Phillip Manley, David Eisenhauer, Philipp Tockhorn, Johannes Sutter, Martin Hammerschmidt, Sven Burger, Steve Albrecht, and Christiane Becker. "Light management with sinusoidal nanotextures." In Optics for Solar Energy. Washington, D.C.: OSA, 2018. http://dx.doi.org/10.1364/ose.2018.ot5c.5.

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Harkema, Stephan, Raghu K. Pendyala, Christian G. Geurts, Paul L. Helgers, Jack W. Levell, Joanne S. Wilson, and Duncan MacKerron. "Light management in flexible OLEDs." In SPIE Organic Photonics + Electronics, edited by Franky So and Chihaya Adachi. SPIE, 2014. http://dx.doi.org/10.1117/12.2061777.

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Yu, Zongfu. "Light Management in Resonant Structures." In CLEO: Science and Innovations. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/cleo_si.2017.sm4k.4.

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Boersma, Arjen, Zeger Vroon, Irene Hovens, and Marieke Burghoorn. "Light Management Materials: Practical Application." In Optical Nanostructures for Photovoltaics. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/pv.2010.pma4.

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Kunis, Susanne. "RDM4mic working group– Research Data Management for microscopy data as a community task." In European Light Microscopy Initiative 2021. Royal Microscopical Society, 2021. http://dx.doi.org/10.22443/rms.elmi2021.187.

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Kostuk, Raymond K., Juan M. Russo, Jose Castro, Deming Zhang, and Shelby Vorndran. "Holographic Light Management in Photovoltaic Systems." In Frontiers in Optics. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/fio.2016.ftu5a.5.

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Reports on the topic "Light management"

1

Dixit, S., and D. Kalantar. Baseline unconverted light management (indirect drive configuration). Office of Scientific and Technical Information (OSTI), March 1999. http://dx.doi.org/10.2172/11981.

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Perelli-Minetti, Michael, and Kyle Roof. Highly Automated Module Production Incorporating Advanced Light Management. Office of Scientific and Technical Information (OSTI), August 2015. http://dx.doi.org/10.2172/1209336.

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Klem, Ethan, Michael Dickey, and Jay Lewis. Novel Concepts for Light Management in Flexible Photovoltaics. Fort Belvoir, VA: Defense Technical Information Center, February 2011. http://dx.doi.org/10.21236/ada546463.

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Kalantar, D. Unconverted Light Management of the NIF-Wedged Lens Configuration. Office of Scientific and Technical Information (OSTI), March 2000. http://dx.doi.org/10.2172/792095.

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Philipp, B. L. Light Duty Utility Arm computer software configuration management plan. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/10148412.

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Rolfes, Dylan P., Gail R. Nonnecke, and Paul A. Domoto. Canopy Management Practices and Light Interception of Northern Grape Cultivars. Ames: Iowa State University, Digital Repository, 2013. http://dx.doi.org/10.31274/farmprogressreports-180814-1165.

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Kelley, Edward F., and Paul A. Boynton. Seamless frusta creation for stray-light management in optical devices. Gaithersburg, MD: National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.ir.6637.

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Hammersley, R. J. Assessment of light water reactor accident management programs and experience. Office of Scientific and Technical Information (OSTI), March 1992. http://dx.doi.org/10.2172/10173535.

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Moran, D. H. Advanced Light Water Reactor Program: Program management and staff review methodology. Office of Scientific and Technical Information (OSTI), December 1986. http://dx.doi.org/10.2172/6957813.

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Dauskardt, Reinhold. Low-Cost Scaffold-Reinforced Perovskite Solar Modules with Integrated Light Management. Office of Scientific and Technical Information (OSTI), July 2019. http://dx.doi.org/10.2172/1543150.

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