Development of high-precision rotary encoder using semiconductor laser

Zhanguo Li; Ying Che; Hong Ma

doi:10.1117/12.319618

19 August 1998 Development of high-precision rotary encoder using semiconductor laser

Zhanguo Li, Ying Che, Hong Ma

Proceedings Volume 3547, Semiconductor Lasers III; (1998) https://doi.org/10.1117/12.319618
Event: Photonics China '98, 1998, Beijing, China

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.

Citation Download Citation

Zhanguo Li, Ying Che, and Hong Ma "Development of high-precision rotary encoder using semiconductor laser", Proc. SPIE 3547, Semiconductor Lasers III, (19 August 1998); https://doi.org/10.1117/12.319618

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