Fiber Optic Whole-Circum Sensor To Improve The Accuracy Of Radial Grating Measurement Systems

Huang Shang-lian; Yang Guan-ling; Ye Chun; Yao Yun-jiang

doi:10.1117/12.952389

16 July 1986 Fiber Optic Whole-Circum Sensor To Improve The Accuracy Of Radial Grating Measurement Systems

Huang Shang-lian, Yang Guan-ling, Ye Chun, Yao Yun-jiang

Proceedings Volume 0599, Optics in Engineering Measurement; (1986) https://doi.org/10.1117/12.952389
Event: 1985 International Technical Symposium/Europe, 1985, Cannes, France

Abstract

In an angle calibration instrument and a generating machine of radial grating, the opto-electronic signal is generated by a novel fiber optic whole-circum sensor. The construction of the sensor is introduced, the principle to i prove the accuracy under partially coherent illumination is derived, and the experimental results are presented. Because of its excellent characteristic, the residual phase error (peak to peak) of moire signal is less than 0.03 sec. of arc., the accuracy of machine is increased about 30 times.

Citation Download Citation

Huang Shang-lian, Yang Guan-ling, Ye Chun, and Yao Yun-jiang "Fiber Optic Whole-Circum Sensor To Improve The Accuracy Of Radial Grating Measurement Systems", Proc. SPIE 0599, Optics in Engineering Measurement, (16 July 1986); https://doi.org/10.1117/12.952389

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