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Proceedings Paper

Development of high-precision rotary encoder using semiconductor laser
Author(s): Zhanguo Li; Ying Che; Hong Ma
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Paper Abstract

The operation principle of laser rotary encoders is expounded and the optical quadruple frequency technology used in laser rotary encoders is explained, and the design idea of optical system in (phi) 66 mm laser rotary encoder is mainly introduced, as well as the choice of principal devices.

Paper Details

Date Published: 19 August 1998
PDF: 6 pages
Proc. SPIE 3547, Semiconductor Lasers III, (19 August 1998); doi: 10.1117/12.319618
Show Author Affiliations
Zhanguo Li, Changchun Institute of Optics and Fine Mechanics (China)
Ying Che, Changchun Institute of Optics and Fine Mechanics (China)
Hong Ma, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 3547:
Semiconductor Lasers III
Qiming Wang; Lawrence J. Davis; Siamak Forouhar, Editor(s)

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