Relevant bibliographies by topics / Spectral photosensitivity

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Spectral photosensitivity'

Author: Grafiati
Published: 28 May 2022
Last updated: 30 July 2025

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Journal articles on the topic "Spectral photosensitivity"

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Abaszade, R. G., A. G. Mammadov, E. A. Khanmamedova, et al. "Photoconductivity of functionalized carbon nanotubes." Digest Journal of Nanomaterials and Biostructures 19, no. 2 (2024): 837–43. http://dx.doi.org/10.15251/djnb.2024.192.837.

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Investigation of carbon nanotubes is a modern trend due to their combination of unique physical, chemical, electrical, and optical properties. Carboxyl-functionalized carbon nanotubes (fCNTs) for investigation of photoelectrical properties were synthesized. The photo-sensitivity spectra of a carboxyl-functionalized CNT sample for voltage range from 1 to 9 V, and for the spectral range from 400 to 900 nm were investigated. The voltage equal to 1 V generated lower photosensitivity in the broadband wavelength range for visible to near-infrared. The most efficient photocurrents of fCNTs were recei
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Иванова, М. М., А. Н. Качемцев, А. Н. Михайлов та ін. "Влияние импульсного гамма-нейтронного облучения на фоточувствительность фотодиодов на базе Si с наноостровками GeSi и эпитаксиальными слоями Ge". Физика и техника полупроводников 52, № 6 (2018): 651. http://dx.doi.org/10.21883/ftp.2018.06.45931.8670.

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AbstractA comparative study of the effect of pulsed γ-neutron irradiation on the photosensitivity spectra of Si p – n photodiodes with active layers based on self-assembled GeSi nanoisland arrays and Ge epitaxial layers is performed. The irradiation of photodiodes with GeSi nanoislands is found to not lead to photosensitivity degradation in the spectral region of interband optical absorption in nanoislands (wavelength range of 1.1–1.7 μm). At the same time, a steady decrease in the intrinsic photosensitivity of Si and the photosensitivity of photodiodes based on Ge epitaxial layers with an inc
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Sapaev, I., U. Masharipova, and T. Sidikova. "Injection photodetectors operating in a wide spectral range." E3S Web of Conferences 452 (2023): 04003. http://dx.doi.org/10.1051/e3sconf/202345204003.

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New types of injection photodetectors are shown. The primary amplification of photocurrent in injection photodetectors is discussed. The photosensitivity of such photodetectors has been experimentally determined.
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Popov, V. S., V. P. Ponomarenko, D. V. Dymkin, et al. "PHOTOSENSITIVITY OF PbS COLLOIDAL QUANTUM DOTS BASED NANOSTRUCTURES WITH AN ENERGY BARRIER." Доклады Российской академии наук. Физика, технические науки 511, no. 1 (2023): 78–82. http://dx.doi.org/10.31857/s2686740023040120.

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A new architecture of photosensitive elements for the near (0.7–1.4 μm) and short-wavelength (1.4–3.0 μm) infrared regions of the spectrum based on hybrid nanostructures consisting of PbS colloidal quantum dots and functional layers of ZnO and AgNW silver nanowires is proposed. Small-sized (12 × 12 μm) photosensitive elements with an energy barrier at the contact between layers of n- and p-type CQDs have been studied. The current-voltage characteristics, spectral dependences of optical absorption and relative spectral photosensitivity of Si(λ)/Si(λmax) barrier structures at room temperature ha
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Sherchenkov, A. A. "Spectral photosensitivity of a-SiGe:H/c-Si heterostructures." Semiconductors 37, no. 7 (2003): 763–65. http://dx.doi.org/10.1134/1.1592846.

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Aliyev, K., and N. Azizli. "PHOTOELECTRIC PROPERTIES OF SOLID SOLUTIONS BASED ON (ZnS)1-x(Eu2S3)x." Scientific heritage, no. 154 (February 9, 2025): 8–10. https://doi.org/10.5281/zenodo.14839986.

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The study of photoelectric properties allowed us to make some generalizations and identify a number of patterns in measuring their basic physical properties. An increase in temperature leads to an increase in the photosensitivity of samples, to a significant expansion of the sensitivity band, while the long-wave edge shifts toward lower energies, but its steepness remains almost unchanged. As a result of studying the mechanism of photoconductivity of the studied samples, the short-wave and long-wave boundaries of the spectral curves of photoconductivity, the region of lengths of their maximum
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Otazhonov, S. M., R. N. Ergashev, K. A. Botirov, et al. "Influence of thickness and temperature on photoelectric properties of p-CdTe-nCdS and pCdTe-CdSe heterostructures." Journal of Physics: Conference Series 2388, no. 1 (2022): 012001. http://dx.doi.org/10.1088/1742-6596/2388/1/012001.

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Abstract In this paper, we study the photoelectric properties of pCdTe-nCdS and pCdTe-nCdSe-based film heterostructures. It is shown that the high value of the electron diffusion length in pCdTe slick (pellicle) is due to the presence of a built-in field in it. When studying the effect of temperature on the spectral characteristics, it was found that with increasing temperature, the maximum photosensitivity of the heterostructure shifts towards longer wavelengths of light. The shift in the photosensitivity maximum is explained by changes in the band gap of cadmium telluride. As shown, the accu
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Аруев, П. Н., Б. Я. Бер, А. Н. Горохов та ін. "Характеристики кремниевого лавинного фотодиода для ближнего ИК-диапазона". Письма в журнал технической физики 45, № 15 (2019): 40. http://dx.doi.org/10.21883/pjtf.2019.15.48086.17851.

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Sensitivity in 400 – 1150 nm spectral range, dark current and dynamic characteristics have been tested of a developed silicon avalanche photodiode with an active diameter of 1.5 mm. Developed Si APD possesses: photosensitivity 80-85 A/W in 900 - 1010 nm spectral range, 1.5 nA dark current, rise and fall time less than 2.5 ns with a bias voltage of 350 v.
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Fedorenko, A. V. "Spectral photosensitivity of diffused Ge-p–i–n photodiods." Технология и конструирование в электронной аппаратуре, no. 3-4 (2020): 17–23. http://dx.doi.org/10.15222/tkea2020.3-4.17.

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Laser rangefinders are widely used to measure distances for various civil and military purposes, as well as in rocket and space technology. The optical channel of such rangefinders uses high-speed p–i–n, or avalanche, photodiodes based on Si, Ge or InGaAs depending on the operating wavelength of the rangefinder in question. The paper describes a manufacturing process for high-speed Ge-p–i–n photodiodes for laser rangefinders using the diffusion method. The passivation layer is made of ZnSe, which is a new solution for this type of photodiodes. The existing theoretical models are used to study
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Guertin, S., and G. Kass-Simon. "Extraocular spectral photosensitivity in the tentacles of Hydra vulgaris." Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 184 (June 2015): 163–70. http://dx.doi.org/10.1016/j.cbpa.2015.02.016.

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Dissertations / Theses on the topic "Spectral photosensitivity"

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Кушнір, Б. В., та І. Г. Ткачук. "Гетеропереходи на основі шаруватих кристалів FeIn[2]Se[4] та In[4]Se[3]". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/64729.

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Шаруваті кристали FeIn2Se4 і In4Se3 – перспективні матеріали для створення фоточутливих гетеропереходів на їх основі , які можуть бути як n-, так і p- типу провідності. Ці матеріали з різною симетрією і періодами кристалічної градки дозволяють методом Ван-дерваальсового контакту поверхонь створювати якісні гетеропереходи. Методом механічного контакту був сформований новий гетероперехід p-FeIn2Se4 – n-In4Se3. Монокристали In4Se3 вирощувалися методом Чохральського і володіли яскраво вираженою шаруватою структурою. В якості фронтального напівпровідника гетеропереходу були обрані кристали FeIn2Se4
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Book chapters on the topic "Spectral photosensitivity"

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Wolken, Jerome J. "Biochromes: Pigments and Photoreception." In Light Detectors, Photoreceptors, and Imaging Systems in Nature. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195050028.003.0003.

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Abstract Photosensitivity of living organisms depends on the absorption of light by a pigment molecule or a system of pigment molecules. Living organisms synthesize pigments to capture the energy of light. What are these pigments and how are they chemically structured for photoreception? We will identify these photoreceptor pigment molecules with their biosynthesis, chemical structure, and absorption spectra. Later, we will apply this information in our discussions of how they function in the photo processes of photosynthesis, phototropism, phototaxis, vision, and other photobiological phenome
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Balestrini, Simona, and Renzo Guerrini. "Genetic Testing on Epilepsies with Reflex Seizures." In Reflex Epilepsies for the Practicing Clinician. Oxford University PressNew York, 2025. https://doi.org/10.1093/med/9780197634547.003.0008.

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Abstract Reflex seizures occur in a broad range of epilepsies, including common epilepsies such as idiopathic (or genetic) generalized epilepsies, and more rare epilepsy syndromes such as progressive myoclonic epilepsies and other monogenic conditions. Idiopathic generalized epilepsies have a polygenic basis, with multiple gene variants contributing to the disorder—but in the typical idiopathic generalized epilepsy clinical presentation, no diagnostic genetic test is indicated. However, several monogenic conditions have been recognized in recent years, with intellectual disability and generali
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Conference papers on the topic "Spectral photosensitivity"

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Hainsworth, James, Adriana Morana, Lucien Pouget, et al. "Selective Modal Excitation of FBGs in FMF Through Inscription Techniques and the use of a Spatial Multiplexer." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.bth3a.4.

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Fibre Bragg grating spectral control by use of a spatial mode sorter and inscription eccentricity has been investigated. Results show extensive peak suppression in the transmission and reflection spectra with the capability for peak erasure.
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Muntaser, Akram, and Monish R. Chatterjee. "Enhancing Solar Cell Efficiency with Tunable Transverse Modal Response to Natural Light of a Linear Chiral Thin Film Array." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jtu1a.41.

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In this work, we propose the design of a chiral thin film resonator array aligned horizontally illuminated by a collimated linear, p-polarized plane wave incident normally on the array. Each thin film is analyzed via evaluating the corresponding mode spectra emerging from multiple transitions within the slab for right- and left-circular polarized (RCP and LCP) modes under variable chirality coefficients, thin film thickness and length, and substrate placement conditions as a function of the (monochromatic) mode frequency. To maximize the efficiency of solar cells, the spectral behavior of (2n+
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Fasseaux, H., C. Caucheteur, and M. Loyez. "Spectral detangling of plasmonic fiber Bragg grating biosensors." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.bth2a.3.

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Plasmonic tilted fiber Bragg gratings are highly sensitive refractometers and biosensors. The detection occurs through the detangling of intricate comb-like spectral signatures and various demodulation techniques have been proposed. We study here their relative performance.
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Talbot, Lauris, Malte Per Siems, Daniel Richter, et al. "Thick femtosecond-inscribed silica VBGs for mid-IR spectral filtering applications." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.bw3a.1.

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We report on the femtosecond inscription of a 3 mm thick silica volume Bragg grating. By combining it with a mid-IR supercontinuum laser, a narrowband light source tunable from 2.8 to 4.3 μm is obtained.
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Howard, Ethan, Julia Ward, Ethan Neidt, Riley Como, and Ahmet E. Akosman. "Tailoring Strut Thicknesses for Selective THz Negative Curvature Fiber Sensors." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jtu1a.32.

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A cascaded hollow-core negative curvature fiber design is proposed for selective THz sensing. Numerical investigations suggest significant spectral shift up to 0.1 THz in relative sensitivities, enabling differentiation between analytes at certain design frequencies.
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Nicolai, J., and H. Jean-Ruel. "Multi-Channel and Dual-Range Spectrum Analyzer for Low-Cost Parallel TFBG Sensing." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.bth1a.4.

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An inexpensive spectrometer scheme for multiplexed TFBG biosensors is proposed. Multiple channels and two spectral windows are combined on a CMOS camera to measure with high-resolution a selection of cladding modes and the Bragg peak.
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Marti, Matilde Sosa, Maxime Cavillon, Thomas Blanchet, Matthieu Lancry, and Guillaume Laffont. "Point-by-point femtosecond fiber Bragg gratings behavior at high temperatures." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.btu2a.3.

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Void-based fiber Bragg gratings were studied from quantitative phase microscopy and spectral measurements, under isochronal annealing experiments up to 1250°C. We reveal a link between the micro-void deformation and the Bragg reflectivity degradation at high temperatures.
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Rodríguez Becerra, G. J., J. S. S. Durán Gómez, P. M. C. Tavares Ramírez, R. Ramírez Alarcón, M. Gómez Robles, and R. Salas-Montiel. "Integrated Photon Pairs Source Based on Counter-Propagating Spontaneous Four Wave Mixing in a Silicon Nitride Chip." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jtu1a.24.

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We report the design of an integrated visible-telecom photon pair source based on Counter Propagating Spontaneous Four Wave Mixing (CP-SFWM) in a Silicon Nitride (Si3N4) chip with no need of dispersion profile engineering. Two lasers are pumped at 800 nm and 1550 nm at both ends of the optical fiber, generating signal and idler photons at the same wavelengths but with opposite propagation directions, relative to their corresponding pumps. Moreover, these photons exhibit a spectral bandwidth on the order of MHz, achieved by using a high Q factor ring resonator.
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Riabenko, Iuliia, and Konstantin Beloshenko. "Exploring Bistable Properties in AgCl-Ag Multilayer Nonlinear Structures for Blood Serum Analysis." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jtu1a.50.

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Silver transfer to interference minima in AgCl-Ag films creates periodic structures through interaction with the waveguide TE0-mode. This phenomenon enables the recording of Raman spectra of biological samples, potentially enhancing low-intensity signal registration.
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Carlesi, Tommaso, Delphine Laboureur, Philippe Planquart, Julio Pacio, Katrien Van Tichelen, and Patrice Mégret. "Factors influencing the behaviour of FBG sensors for temperature measurements." In Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/bgpp.2024.jtu1a.9.

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