Results 1 to 10 of about 145,231 (97)

Optimization of Organic Photodetector Performance Using SCAPS 1D Simulation: Enhanced Quantum Efficiency and Responsivity for UV Detection [PDF]

open access: yesNanomaterials
This study presents a SCAPS-1D-based numerical optimization of an organic ultraviolet (UV) photodetector employing an FTO/PTB7/Spiro-OMeTAD/Au device architecture.
Ahmet Sait Alali, Fedai Inanir
doaj   +2 more sources

Quantum Efficiency Measurement and Modeling of Silicon Sensors Optimized for Soft X-ray Detection [PDF]

open access: yesSensors
Hybrid pixel detectors have become indispensable at synchrotron and X-ray free-electron laser facilities thanks to their large dynamic range, high frame rate, low noise, and large area.
Maria Carulla   +33 more
doaj   +2 more sources

Accurate Determination of Camera Quantum Efficiency from a Single Image [PDF]

open access: yesJournal of Imaging
Knowledge of spectral sensitivity is important for high-precision comparison of images taken by different cameras and recognition of objects and interpretation of scenes for which color is an important cue. Direct estimation of quantum efficiency curves (
Yuri Rzhanov
doaj   +2 more sources

Carbon dioxide net assimilation exchange in a young pecan nut orchard during the growth cycle [PDF]

open access: yesGlobal Journal of Environmental Science and Management, 2023
BACKGROUND AND OBJECTIVES: Pecan nut trees (Carya illinoensis K), due to their condition as woody and long-living species, in addition to the contribution of nuts for consumption, may also have an essential role in assimilating carbon dioxide and ...
A. Zermeño-Gonzalez   +5 more
doaj   +1 more source

Design and Fabrication of High Performance InGaAs near Infrared Photodetector

open access: yesNanomaterials, 2023
InGaAs photodiodes have a wide range of important applications; for example, NIR imaging, fiber optical communication, and spectroscopy. In this paper, we studied InGaAs photodiodes with different doping concentration absorber layers.
Hezhuang Liu   +5 more
doaj   +1 more source

Dependence of Functional Parameters of Sine-Gated InGaAs/InP Single-Photon Avalanche Diodes on the Gating Parameters

open access: yesIEEE Photonics Journal, 2022
In this paper, we investigateda self-developed sine wave gated single-photon detector (SPD) for 1550 nm wavelength primary for quantum key distribution (QKD) usage.
Anton Losev   +4 more
doaj   +1 more source

Facilely Achieved Self‐Biased Black Silicon Heterojunction Photodiode with Broadband Quantum Efficiency Approaching 100%

open access: yesAdvanced Science, 2022
Photodiodes are fundamental components in modern optoelectronics. Heterojunction photodiodes, simply configured by two different contact materials, have been a hot research topic for many years.
Yibo Zhang   +2 more
doaj   +1 more source

Development of a High Performance 1280×1024 InGaAs SWIR FPA Detector at Room Temperature

open access: yesFrontiers in Physics, 2021
A 1280 × 1,024 In0.53Ga0.47As short wave infrared (SWIR) focal plane array (FPA) detector with a planar-type back-illuminated process has been fabricated.
Jia-Xin Zhang   +23 more
doaj   +1 more source

Development and Characterization of Multi-Alkali Antimonide Photocathodes for High-Brightness RF Photoinjectors

open access: yesMicromachines, 2023
Due to their excellent photoemissive properties, especially low thermal emittance and high sensitivity in the green wavelength, multi-alkali antimonide photocathodes, in particular, cesium–potassium–antimonide, emerged as prominent photoemissive ...
Sandeep Kumar Mohanty   +7 more
doaj   +1 more source

Does a Large Ear Type Wheat Variety Benefit More From Elevated CO2 Than That From Small Multiple Ear-Type in the Quantum Efficiency of PSII Photochemistry?

open access: yesFrontiers in Plant Science, 2021
Recently, several reports have suggested that the growth and grain yield of wheat are significantly influenced by high atmospheric carbon dioxide concentration (CO2) because of it photosynthesis enhancing effects.
Yuting Li   +7 more
doaj   +1 more source

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