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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 5, Iss. 7 — Jul. 10, 2007
  • pp: 403–406

An improved method of angle measurement with a position sensitive detector

Defeng Zheng, Xiangzhao Wang, and Feng Tang  »View Author Affiliations


Chinese Optics Letters, Vol. 5, Issue 7, pp. 403-406 (2007)


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Abstract

An improved method of angle measurement is proposed based on a parallel plate interferometer. A position detection system is incorporated into a parallel plate interferometer in order to realize large deflection angle measurement. A reflecting mirror is introduced for increasing the measurement resolution. In experiments, a deflection angle of a measured target was measured within about 3 deg. with high accuracy. And as a phase modulating interferometer, it was used to measure a small angular displacement with a repeatability of 5.5*10^(-8) rad.

© 2007 Chinese Optics Letters

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4640) Instrumentation, measurement, and metrology : Optical instruments

Citation
Defeng Zheng, Xiangzhao Wang, and Feng Tang, "An improved method of angle measurement with a position sensitive detector," Chin. Opt. Lett. 5, 403-406 (2007)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-5-7-403


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