Results 211 to 220 of about 908,384 (292)

Design and Optimization of a Twisted Photodiode Pixel Structure for All-Directional Phase-Detection Autofocus CMOS Image Sensors. [PDF]

Sensors (Basel)
Shirahige D, Fukuda K, Ikeda H, Onuki Y, Toyoguchi G, Okamoto K, Wakashima S, Sekine H, Hayashi S, Yoshida R, Iwata J, Matsuno Y, Sakurai K, Yuzurihara H, Ichikawa T.   +14 more
europepmc   +1 more source

Design, construction and validation of an open-source gold nanoparticle concentration tracking device. [PDF]

HardwareX
Molina-Prados S, Sorribes-Paulo V, Arrufat-Sorli L, Tobón-Maya H, Rey-Cortes F, Mínguez-Vega G, Doñate-Buendía C.   +6 more
europepmc   +1 more source

Wide field of view multifunctional solar sensor for photovoltaic power management via measurement of solar angle and intensity. [PDF]

Microsyst Nanoeng
Liu Y, Wu Q, Feng H, Xia Y, Xu M, Xu S, Zhao X, Basset P, Wang X.   +8 more
europepmc   +1 more source

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27 GHz Silicon-Contacted Waveguide-Coupled Ge/Si Avalanche Photodiode

Journal of Lightwave Technology, 2020
We report a silicon-contacted Ge/Si avalanche photodiode with RF gain of 11 and a bandwidth of 27 GHz at -12 V operating at 1310 nm. The device is fabricated in an established Si photonics platform without additional process complexity and contacts only ...
Srinivasan Ashwyn Srinivasan, Mathias Berciano, Joris Van Campenhout   +2 more
exaly   +2 more sources

Broadband n+−n photodiode based on tellurium-doped black silicon fabricated by femtosecond laser filament

Optics and Laser Technology, 2020
Tellurium-doped black silicon with the absorptance of >85% over the wide range of 240–2500 nm is rapidly fabricated at a standoff distance of 1 m by ablating a tellurium-film-coated crystalline silicon wafer with a femtosecond laser filament.
Huailiang Xu
exaly   +2 more sources

A portable silicon photodiode luminometer

Luminescence, 1987
AbstractA simple, inexpensive, battery‐powered, portable luminometer which is based on a silicon photodiode is described. The instrument is intended to measure the light produced by chemiluminescent and bioluminescent reactions. The devic shows a good detection limit and, in a bioluminescent reaction for adenosine 5′‐triphosphate (ATP), detected 0.5 ...
K, Marks, P, Killeen, J, Goundry, J, Gibbons, R, Bunce   +4 more
exaly   +3 more sources

Germanium on Silicon Avalanche Photodiode

IEEE Journal of Selected Topics in Quantum Electronics, 2018
Silicon photonics is considered as one of the promising technologies for high-speed optical fiber communications. Among various silicon photonic devices, germanium on silicon avalanche photodiodes (Ge/Si APDs) have attracted tremendous attention due to their the properties of high performance and low cost. The sensitivity of 10Gb/s APD reached −29.5dBm
Mengyuan Huang, Su Li, Pengfei Cai, Guanghui Hou, Tzungi Su, Wang Chen, Chingyin Hong, D. Pan   +7 more
semanticscholar   +2 more sources

Computation of impurity concentration in silicon photodiode based on their optical properties

Optik, 2017
Gopinath Palaï
exaly   +2 more sources

103 GHz germanium-on-silicon photodiode enabled by an optimized U-shaped electrode

Photonics Research, 2023
High-performance germanium photodiodes are crucial components in silicon photonic integrated circuits for large-capacity data communication. However, the bandwidths of most germanium photodiodes are limited by the intractable resistance – capacitance ...
Yang Shi, Xiang Li, Mingjie Zou, Yu Yu, Xinliang Zhang   +4 more
semanticscholar   +1 more source

A flame photometric detector with a silicon photodiode assembly for sulfur detection.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2020
A flame photometric detector with a silicon photodiode assembly instead of a photomultiplier tube for sulfur detection was developed and evaluated. The photosensitive area of photodiode, the optical design, and band-pass filters, were optimized.
Lanxiu Ni, Xuhui Geng, Shenghong Li, Haijing Ning, Yan Gao, Y. Guan   +5 more
semanticscholar   +1 more source