Results 81 to 90 of about 16,481 (212)

Experimental Determination of the Gain Distribution of an Avalanche Photodiode at Low Gains

open access: yes, 2008
A measurement system for determining the gain distributions of avalanche photodiodes (APDs) in a low gain range is presented. The system is based on an ultralow-noise charge--sensitive amplifier and detects the output carriers from an APD.
Akiba, Makoto   +2 more
core   +1 more source

avalanche photodiode

open access: yes, 2008
Citation: 'avalanche photodiode' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.A00538 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Supramolecular Assemblies of Self‐Immolative Janus Dendrimers With Rapid Photodegradation Response

open access: yesSmall, Volume 22, Issue 19, 1 April 2026.
Self‐immolative Janus dendrimers assemble into spherical nanoparticles with solid cores. Upon irradiation, rapid end‐to‐end depolymerization triggers a unique degradation pathway from spheres to crescents within minutes, enabling on‐demand release of encapsulated cargo.
Chuanfeng Li   +3 more
wiley   +1 more source

Performance Modulation for Back-Illuminated AlGaN Ultraviolet Avalanche Photodiodes Based on Multiplication Scaling

open access: yesIEEE Photonics Journal, 2019
Back-illuminated Al0.1Ga0.9N ultraviolet avalanche photodiodes (APDs) of various multiplication widths were fabricated on AlN templates with a separate absorption and multiplication structure.
Qing Cai   +9 more
doaj   +1 more source

Geiger-Mode Avalanche Photodiodes in Particle Detection

open access: yes, 2012
It is well known that avalanche photodiodes operated in the Geiger mode above the breakdown voltage offer a virtually infinite sensitivity and time accuracy in the picosecond range that can be used for single photon detection.
Alonso, O.   +6 more
core  

Impact-ionization and noise characteristics of thin III-V avalanche photodiodes [PDF]

open access: yes, 2001
It is, by now, well known that McIntyre\u27s localized carrier-multiplication theory cannot explain the suppression of excess noise factor observed in avalanche photodiodes (APDs) that make use of thin multiplication regions.
Campbell, Joe C.   +6 more
core   +1 more source

A novel active quenching circuit for single photon detection with Geiger mode avalanche photodiodes

open access: yes, 2008
In this paper we present a novel construction of an active quenching circuit intended for single photon detection. For purpose of evaluation, we have combined this circuit with a standard avalanche photodiode C30902S to form a single photon detector.
Brown   +16 more
core   +1 more source

Revealing the Energy Level and Charge Dynamics Interplay in Mixed Pb‐Sn Perovskite Solar Cells with Novel Phenoxazine and Phenothiazine Self‐Assembled Monolayers

open access: yesSolar RRL, Volume 10, Issue 6, 29 March 2026.
Carbazole‐based self‐assembled monolayers (SAMs) have proven effective as HTLs in perovskite solar cells (PSCs). However, the energy alignment with narrow‐bandgap lead‐tin (Pb‐Sn) perovskites is suboptimal. Here, we design four phenoxazine/phenothiazine SAMs.
Daniele T. Cuzzupè   +12 more
wiley   +1 more source

Correcting for accidental correlations in saturated avalanche photodiodes

open access: yes, 2016
In this paper we present a general method for estimating rates of accidental coincidence between a pair of single photon detectors operated within their saturation regimes.
Chandrasekara, Rakhitha   +4 more
core   +1 more source

Long-term operation of a multi-channel cosmic muon system based on scintillation counters with MRS APD light readout [PDF]

open access: yes, 2008
A Cosmic Ray Test Facility (CRTF) is the first large-scale implementation of a scintillation triggering system based on a new scintillation technique known as START.
A. Akindinov   +13 more
core   +2 more sources

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