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Proceedings Paper

Low-frequency vibration measurement with a backscatter-modulated laser diode
Author(s): Jing Zhang; Qingming Luo; Shaoqun Zeng; Hui Gong; Weiguo Chen
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Paper Abstract

To measure low frequency small displacement vibration, we develop a non-contact sensor based on the optical feedback effect in a laser diode. The principle and experiment setup are described. Experimental results show that the sensor is sensitive to vibration in the micrometer range.

Paper Details

Date Published: 4 March 1999
PDF: 5 pages
Proc. SPIE 3726, Saratov Fall Meeting '98: Light Scattering Technologies for Mechanics, Biomedicine, and Material Science, (4 March 1999); doi: 10.1117/12.341441
Show Author Affiliations
Jing Zhang, Huazhong Univ. of Science and Technology (Singapore)
Qingming Luo, Huazhong Univ. of Science and Technology (China)
Shaoqun Zeng, Huazhong Univ. of Science and Technology (China)
Hui Gong, Huazhong Univ. of Science and Technology (China)
Weiguo Chen, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 3726:
Saratov Fall Meeting '98: Light Scattering Technologies for Mechanics, Biomedicine, and Material Science
Valery V. Tuchin; Vladimir P. Ryabukho; Dmitry A. Zimnyakov, Editor(s)

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