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Proceedings Paper

On-line measurement system of displacement with PSD sensor
Author(s): Yongcai Yang; Junsan Ma; Rimin Pan; Xiang Yu
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Paper Abstract

Position sensitive device (PSD) is a kind of new photoelectric device which would produce different electrical signals when the inputting light point irradiates at the different position of PSD surface. In new on-line measurement system of displacement, a laser diode emits the light to measured object and PSD detects the different position of the light point which reflects from the measured object because of its displacement change so that the displacement of object can be measured. This paper will present the principle and schematic diagram of measurement device and introduce the circuits of measuring device. At last the results of experiment are also shown and discussed.

Paper Details

Date Published: 20 January 2006
PDF: 7 pages
Proc. SPIE 6027, ICO20: Optical Information Processing, 60274H (20 January 2006); doi: 10.1117/12.668414
Show Author Affiliations
Yongcai Yang, USST (China)
Junsan Ma, USST (China)
Rimin Pan, USST (China)
Xiang Yu, USST (China)

Published in SPIE Proceedings Vol. 6027:
ICO20: Optical Information Processing
Yunlong Sheng; Songlin Zhuang; Yimo Zhang, Editor(s)

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