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Proceedings Paper

Novel roll angular displacement amplifier
Author(s): Chien-ming Wu; Yi-tsung Chuang
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Paper Abstract

A novel compact roll angular displacement measurement system based on the use of wave retarder is presented. It utilizes the technique of common-path, heterodyne interferometry to detect the phase shift caused by roll angular displacement of a wave retarder fixed on a moving system. This novel system is set up and verified both theoretically and experimentally. Demonstrated by experiments, it can measure the roll angular displacement of a moving system down to microradian over the range of a half-degree.

Paper Details

Date Published: 30 May 2003
PDF: 7 pages
Proc. SPIE 5144, Optical Measurement Systems for Industrial Inspection III, (30 May 2003);
Show Author Affiliations
Chien-ming Wu, National Tsing Hua Univ. (Taiwan)
Yi-tsung Chuang, National Taipei Univ. of Technology (Taiwan)


Published in SPIE Proceedings Vol. 5144:
Optical Measurement Systems for Industrial Inspection III
Wolfgang Osten; Malgorzata Kujawinska; Katherine Creath, Editor(s)

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