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Proceedings Paper

Research on phase detection on two-dimensional position sensitive detector
Author(s): Feng Xi; Lan Qin; Lian Xue; Tengjiao Wu
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Paper Abstract

Position sensitive detector (PSD) is based on the lateral photoelectric effect (LPE) to produce an electrical. The photocurrents output from the electrodes, so the amplitude and phase of the output signal are related to the distance between the light spot and the electrodes. The information of the phase was detached from photocurrent signal. The diversification of phase along with the distance was analyzed, and phase difference between the corresponding electrode signal current as well as the associated difference with the change of PSD related parameters. The result of experiment on one-dimensional and two-dimensional PSD is shown that the position detection error and the linearity all can meet the test requirements.

Paper Details

Date Published: 22 October 2010
PDF: 5 pages
Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76581D (22 October 2010); doi: 10.1117/12.864545
Show Author Affiliations
Feng Xi, Chongqing Univ. (China)
Chongqing Technology and Business Univ. (China)
Lan Qin, Chongqing Univ. (China)
Lian Xue, Chongqing Univ. (China)
Tengjiao Wu, Chongqing Univ. (China)


Published in SPIE Proceedings Vol. 7658:
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
Yadong Jiang; Bernard Kippelen; Junsheng Yu, Editor(s)

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