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Proceedings Paper

Wavelength measurement using dual photodetectors
Author(s): Xiaodong Zeng; Shubin Wu; Yuying An
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Paper Abstract

Based on the fact that the Si and InGaAs photodiodes have different spectral response curves, a new method for measuring the wavelength of laser beams is proposed. It is shown that this method is simple and reliable. The spectral resolution could be +/- 10 nm.

Paper Details

Date Published: 5 October 2000
PDF: 3 pages
Proc. SPIE 4223, Instruments for Optics and Optoelectronic Inspection and Control, (5 October 2000); doi: 10.1117/12.401780
Show Author Affiliations
Xiaodong Zeng, Xidian Univ. (China)
Shubin Wu, Xidian Univ. (China)
Yuying An, Xidian Univ. (China)

Published in SPIE Proceedings Vol. 4223:
Instruments for Optics and Optoelectronic Inspection and Control
Guang Hui Wei; Sheng Liu, Editor(s)

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