Academic literature on the topic 'Micro-reflectance'

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Journal articles on the topic "Micro-reflectance"

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Ullattil, Sudeep, Sudheesh Kakkarath, Vinod Viswambharanunnithan, and Suresh Padiyath Ramannair. "Investigations on the Influence of Surface Textures on Optical Reflectance of Multi-crystalline Silicone (MC-Si) Crystal Surfaces-Simulations and Experiments." International Journal of Renewable Energy Development 11, no. 2 (2021): 375–83. http://dx.doi.org/10.14710/ijred.2022.38538.

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MC-Si is the most widely used material for making solar PV cells. In spite of the considerable research on improving the conversion efficiency of MC-Si solar PV cells still it remains well within the range of 15-20%. Optical reflectance being the major loss of incident solar energy, efforts are being made to reduce the optical reflectance of solar cell surfaces. Among the several methods proposed, creation of well-defined surface topography on the cell surface remains a promising option. Micro/nano level features with various dimensions and distributions have been created on MC-Si crystal surf
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Feng, Guo Jin, Ping Li, Yu Wang, Cheng Li, and Li Zhao. "Reflectance of Micro-Structural Material on Au." Materials Science Forum 663-665 (November 2010): 154–57. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.154.

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The high absorption characteristics, the complex mechanism and the great potential application in detectors of micro-structural material aroused extensive attention. In order to understand the impact of the micro-structure, the optical simulation method based on Monte Carlo is used for reflection characteristics of micro-structural material with the cell of pyramid construction. In this simulation, the body material is made of gold, which can avoid the effect of tranmittance, with a number of 400 cells. The bottom square of each structure is 50×50 µm, and the height of cells is adjustable. The
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Kurihara, K., K. Fukui, T. Yanagawa, and A. Yamamoto. "Infrared micro optical reflectance spectra of InN." physica status solidi (c) 5, no. 6 (2008): 1759–61. http://dx.doi.org/10.1002/pssc.200778628.

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Shi, Jiarui, Qian Shen, Yue Yao, Fangfang Zhang, Junsheng Li, and Libing Wang. "Field Radiometric Calibration of a Micro-Spectrometer Based on Remote Sensing of Plateau Inland Water Colors." Applied Sciences 13, no. 4 (2023): 2117. http://dx.doi.org/10.3390/app13042117.

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Remote sensing reflectance (Rrs), which is currently measured mainly using the above-water approach, is the most crucial parameter in the remote sensing inversion of plateau inland water colors. It is very difficult to measure the Rrs of plateau inland unmanned areas; thus, we provide a measurement solution using a micro-spectrometer. Currently, commercial micro-spectrometers are not factory calibrated for radiation, and thus, a radiometric calibration of the micro-spectrometer is an essential step. This article uses an Ocean Optics micro-spectrometer (STS-VIS) and a traditional water spectrom
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Chen, Yong, Weiping Peng, Xiaofeng Hu, and Chen Zhang. "Functional Performance of Silicon with Periodic Surface Structures Induced by Femtosecond Pulsed Laser." Coatings 12, no. 6 (2022): 716. http://dx.doi.org/10.3390/coatings12060716.

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A micro/nano surface structure can produce specific properties, such as super hydrophilicity, low reflectance property, etc. A femtosecond laser-induced periodic surface structure is an important manufacturing process for the micro/nano structure. This research investigated the effects of scanning intervals and laser power on the surface morphology, wetting properties, and reflectance properties of LIPSS based on a silicon wafer. The results showed that the laser power had a significant effect on the surface morphology and wettability of silicon. With the increase of laser power, the surface r
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Lee, Yeonsu, Kim Jiwon, Sungmin Sim, Ignacio Llamas-Garro, and Jungmu Kim. "Air-Gap Interrogation of Surface Plasmon Resonance in Otto Configuration." Micromachines, 12, no. 8 (2021): 998. https://doi.org/10.3390/mi12080998.

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In this study, a micromachined chip in Otto configuration with multiple air-gaps (1.86 µm, 2.42 µm, 3.01 µm, 3.43 µm) was fabricated, and the resonance characteristics for each air-gap was measured with a 980 nm laser source. To verify the variability of the reflectance characteristics of the Otto configuration and its applicability to multiple gas detection, the air-gap between the prism and metal film was adjusted by using a commercial piezoactuator. We experimentally verified that the SPR characteristics of the Otto chip configuration have a dependence on the air-gap
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Neshchimenko, Vitaly V., Chun Dong Li, Mikhail M. Mikhailov, and Andrei Dudin. "Effect of the Surface Morphology of Zinc Oxide Particles on their Radiation Stability." Defect and Diffusion Forum 386 (September 2018): 338–42. http://dx.doi.org/10.4028/www.scientific.net/ddf.386.338.

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The effect of protons exposure on the diffuse reflectance spectra of the zinc oxide with different shape particles has been investigated. Particles were micro-, nanocrystals, star and flower shape particles. The synthesis of the particles was carried out by the hydrothermal method using zinc acetate chemicals. The surface morphology, surface area and crystal structure of the particles have been investigated. Evaluating the changes in spectral reflectance it was found that the radiation stability of the micro particles is higher than the radiation stability of the other nanostructured particles
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Zheng, Xiao Dong, Yan Zhong Ye, and Lin Fang Shen. "The Measurements of Spectral Reflectance Spatial Distribution on Mc-Si Solar Cell Surface." Applied Mechanics and Materials 241-244 (December 2012): 2184–87. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.2184.

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Measurement results of spectral reflectance spatial distribution on multi-crystalline silicon solar cells surface are presented. The optical measurement apparatus employs a specific designed micro-spectral reflectance meter. It is suitable for working in visible wavelength range; measurable sample size can be as small as 0.06mm. Results of reflectance distribution on mc-Si solar cell are presented as a spatial sampling interval of 0.1 mm. The peak values of spectral reflectance appear about 400nm wavelength and vary from 10% to 30% with the spatial position on solar cell.
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Lastras-Martínez, L. F., O. del Pozo-Zamudio, R. Herrera-Jasso, et al. "Micro reflectance difference techniques: Optical probes for surface exploration." physica status solidi (b) 249, no. 6 (2012): 1119–23. http://dx.doi.org/10.1002/pssb.201100738.

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M.Sakthivel*1, Manoj Hari2 &. Dharani G3. "ATMOSPHERIC CORRECTION OF VISIBLE CHANNEL OF SATELLITE IMAGE FROM INSAT-3D IMAGER USING SECOND SIMULATION OF THE SATELLITE SIGNAL IN THE SOLAR SPECTRUM - 6S MODEL." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 5, no. 11 (2018): 137–49. https://doi.org/10.5281/zenodo.1493914.

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Atmospheric correction is an important pre-processing step required in many satellite remote sensing applications. Although there are several available atmospheric correction algorithms, there is limited literature available that examines their effectiveness using in situ measurements from spectroradiometers to retrieve reflectance. The aim of this study is to atmospherically correct the satellite image using Second Simulation of a Satellite Signal in the Solar Spectrum-6S Radiative Transfer Model and to conduct an accuracy assessment of the results using in-situ measurements from spectroradio
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Dissertations / Theses on the topic "Micro-reflectance"

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Wang, Chunhua. "Novel applications of micro-reflectance difference spectroscopy in condensed matter physics /." View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202009%20WANG.

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Barron, Lance W. "High-reflectance, sputter-deposited aluminum alloy thin films for micro-electro-mechanical systems /." Online version of thesis, 2005. http://hdl.handle.net/1850/5195.

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Chermain, Xavier. "Rendu basé physique de micro-reflets." Thesis, Limoges, 2019. http://www.theses.fr/2019LIMO0070/document.

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Le rendu de micro-reflets, utile pour simuler l'apparence de matériaux pailletés, de métal brossé ou de plastique rayé, est un défi théorique et technique en informatique graphique. Il implique l'utilisation de fonctions de distribution de réflectance bidirectionnelles surfaciques (P-BRDFs) hautes fréquences et qui varient spatialement. Dans cette thèse, nous proposons deux nouvelles P-BRDFs basées sur des cartes de normales presque parfaitement spéculaires. La première empêche toute création d'énergie grâce à une normalisation dépendante de l'empreinte du rayon, contrairement à la méthode pré
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Mohammadbagher, Mahdi. "Apparence matérielle : représentation et rendu photo-réaliste." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00770181.

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Cette thèse présente quelques avancées sur la représentation efficace de l'apparence matérielle dans une simulation de l'éclairage. Nous présentons deux contributions : un algorithme pratique de simulation interactive pour rendre la réflectance mesurée avec une géométrie dynamique en utilisant une analyse fréquentielle du transport de l'énergie lumineuse et le shading hiérarchique et sur-échantillonnage dans un contexte deferred shading, et une nouvelle fonction de distribution pour le modèle de BRDF de Cook-Torrance. Dans la première partie, nous présentons une analyse fréquentielle de transp
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Tran, Willie. "VIBRATIONAL SPECTROSCOPY FOR CHALLENGING SAMPLES AND SITUATIONS." Miami University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=miami1366383830.

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Gentner, Janene Margaret. "Tissue analysis : multidisciplinary approach using FT-IR microspectroscopy and visual microscopy." Thesis, Queensland University of Technology, 2001.

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Leu, Jung-Ping, and 呂正平. "Measurement and Simulation of Reflectance Spectra on ZnSe-based Micro-structure." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/75013488097117169547.

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Chiu, Ching-Wen, and 邱靖雯. "Enhanced light diffuse reflectance of silicon substrate using a micro/nano-scale hybrid structure." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/21207249773704406012.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>105<br>There are two parts in the study. One study is about the micro/nano- scale composite structure effected to 6-inch silicon wafer. We used silicon pyramid structure then we sputtering silver film. For the Dewetting phenomenon, it can change the silver morphology to ball-like shape. Due to the tension of silver film and the coefficient of heat expansion difference between substructure and film. By changing annealing temperature, we get different size mask of ball-like silver. Metal assisted electroless chemical etching (MAEE) was used to fabricate hole structures
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Kim, Iltai. "Label-free mapping of near-field transport properties of micro/nano-fluidic phenomena using surface plasmon resonance (SPR) reflectance imaging." 2008. http://etd.utk.edu/2008/December2008Dissertations/KimIltai.pdf.

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Arifler, Dizem Richards-Kortum Rebecca. "Reflectance-based optical diagnosis of epithelial pre-cancer modeling spectroscopic measurements, fiber-optic probe design considerations, and analysis of tissue micro-optical properties /." 2005. http://repositories.lib.utexas.edu/bitstream/handle/2152/1812/ariflerd57215.pdf.

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Book chapters on the topic "Micro-reflectance"

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Kampouris, Christos, Stefanos Zafeiriou, Abhijeet Ghosh, and Sotiris Malassiotis. "Fine-Grained Material Classification Using Micro-geometry and Reflectance." In Computer Vision – ECCV 2016. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46454-1_47.

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Marey Mahmoud, Hussein. "Painting on Fibers." In Preservation and Restoration Techniques for Ancient Egyptian Textiles. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-4811-0.ch004.

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In ancient Egypt, color expressed both symbolic and aesthetic value. For decorating purposes, the ancient Egyptians used an intensive chromatic palette based on a broad source of natural and artificial origins. Beside dyeing, decorating textiles in ancient Egypt had different forms, such as embroidery or the painting of a smooth coating applied on the textile matrix. Physical analytical approaches are an essential request prior any restoration project. In this chapter, the benefits of a wide range of non- or micro-destructive methods to study the physiochemical behavior of pigments used in anc
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Zhang, Lei. "Effects of the Novel Micro-Structure on the Reflectance of Photovoltaic Silicon Solar Cell." In Solar Panels and Photovoltaic Materials. InTech, 2018. http://dx.doi.org/10.5772/intechopen.74972.

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Conference papers on the topic "Micro-reflectance"

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Pirvaram, Atousa, Paul G. O’Brien, and Siu Ning Leung. "Fabrication and Optimization of Highly Solar Reflective and Long-Wavelength Infrared (LWIR) Emissive Porous Polymers for Passive Daytime Radiative Cooling." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jm3d.3.

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This study explores the fabrication and optimization of micro- and nano-cellular poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) for passive daytime radiative cooling using phase inversion technique. By tailoring the water amount a high reflectance and a significant emittance are achieved, facilitating efficient cooling.
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Amochkina, Tatiana, Michael Trubetskov, Petar Pervan, and Vesna Janicki. "Smart Color Designs with Ag and Au Metal-Island Films." In Optical Interference Coatings. Optica Publishing Group, 2025. https://doi.org/10.1364/oic.2025.thd.4.

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Multilayer structures incorporating silver and gold metal-island films in two different embedding materials are designed to achieve the reflectance of three distinct colors. The designs are specially adjusted for micro and nanoarray fabrication to involve the least number of deposition runs. The designs were generated taking into account feasibility restrictions. However, it was found that color combinations are reduced, i.e., not all the combinations can be obtained using the investigated approach and the materials used.
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Huffman, Tyler J., Robert Furstenberg, Christopher A. Kendziora, and R. A. McGill. "Infrared complex reflectance micro-spectroscopy." In Image Sensing Technologies: Materials, Devices, Systems, and Applications VIII, edited by Nibir K. Dhar, Achyut K. Dutta, and Sachidananda R. Babu. SPIE, 2021. http://dx.doi.org/10.1117/12.2588170.

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Sidqi, Najwa, Caspar Clark, and Gerald Buller. "High reflectance mirrors for micro-cavity applications." In Material Technologies and Applications to Optics, Structures, Components, and Sub-Systems IV, edited by Bill A. Goodman and Matthias Kroedel. SPIE, 2019. http://dx.doi.org/10.1117/12.2534672.

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Chen, Zhengchao, Bing Zhang, Xiaoyong Zhang, Hao Zhang, and Junseng Li. "Reflectance-based calibration of Beijing-1 micro-satellite." In 2009 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2009. http://dx.doi.org/10.1109/igarss.2009.5417751.

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Pan, Xinhua, Nassim Rahimi, Askari Ghasempour, Francis Ndi, and Alain Price. "Influence of numerical aperture (NA) on micro-reflectance spectroscopy." In Photonic Instrumentation Engineering VI, edited by Yakov G. Soskind. SPIE, 2019. http://dx.doi.org/10.1117/12.2510619.

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McArdle, Patrick, Nathan Tomlin, Chris Yung, John Lehman, and Michelle Stephens. "Infrared micro-reflectance of small-area detectors for Earth energy imbalance measurements." In CLEO: Applications and Technology. Optica Publishing Group, 2023. http://dx.doi.org/10.1364/cleo_at.2023.aw4k.3.

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We have developed a low-cost setup for absolute infrared micro-reflectance to measure microstructures (&lt; 1 mm). This setup is designed to characterize carbon nanotube microbolometers for use in space-based global energy imbalance measurements.
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Furstenberg, Robert, Andrew Shabaev, Christopher A. Kendziora, et al. "Synthetic models for infrared reflectance signatures of micro-particle traces on surfaces." In Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XX, edited by Jason A. Guicheteau and Chris R. Howle. SPIE, 2019. http://dx.doi.org/10.1117/12.2519041.

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Florin, C. C., C. Tibeica, M. Purica, and P. Schiopu. "Grating light valve based on high reflectance micro-beams: Design by simulation." In 2010 International Semiconductor Conference (CAS 2010). IEEE, 2010. http://dx.doi.org/10.1109/smicnd.2010.5650239.

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Roig, Blandine, Anne Koenig, François Perraut, Olivier Piot, Michel Manfait, and Jean-Marc Dinten. "In vivodiffuse reflectance micro-spectroscopy for correction of Raman depth profiles acquired on skin." In SPIE Photonics Europe, edited by Jürgen Popp, Valery V. Tuchin, Dennis L. Matthews, and Francesco S. Pavone. SPIE, 2016. http://dx.doi.org/10.1117/12.2227130.

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Reports on the topic "Micro-reflectance"

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Letcher, Theodore, Julie Parno, Zoe Courville, Lauren Farnsworth, and Jason Olivier. A generalized photon-tracking approach to simulate spectral snow albedo and transmittance using X-ray microtomography and geometric optics. Engineer Research and Development Center (U.S.), 2023. http://dx.doi.org/10.21079/11681/47122.

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A majority of snow radiative transfer models (RTMs) treat snow as a collection of idealized grains rather than an organized ice–air matrix. Here we present a generalized multi-layer photon-tracking RTM that simulates light reflectance and transmittance of snow based on X-ray micro- tomography images, treating snow as a coherent 3D structure rather than a collection of grains. The model uses a blended approach to expand ray-tracing techniques applied to sub-1 cm3 snow samples to snowpacks of arbitrary depths. While this framework has many potential applications, this study’s effort is focused o
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