Mechanisms driving different QPD cells response signals revealed by a single cell irradiated with a laser

Mechanisms driving different QPD cells response signals revealed by a single cell irradiated with a laser

Abstract The response mechanism of a Four-Quadrant Photodetector (QPD) in an experimental setting was studied by irradiating a single QPD cell with a millisecond-pulsed laser. The response signal of the irradiated QPD cell varied with energy flux, pulse width, and applied bias, and comprised four ma...

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Bibliographic Details
Main Authors: Weiwei Chen, Hongxu Liu, De Song
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Scientific Reports
Subjects:
Four-quadrant photodetector (QPD)
Applied bias
Millisecond pulse laser
Response signal
Online Access:https://doi.org/10.1038/s41598-024-84875-2
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https://doi.org/10.1038/s41598-024-84875-2

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