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Proceedings Paper

Study of Fabry-Perot interferometer for ultraprecise measurement of thermal coefficients of very low expansion
Author(s): Yanbiao Liao; Huafeng Zhao; Bing Pang Tang; Shurong Lai
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Paper Abstract

The Fabry-Perot interferometer for ultraprecise measurement of the thermal coefficient of very low expansion, including its working principle and the construction of its practical system, is described in detail in this paper. The measurement principle is given by the frequency filter character of F-P resonator, and the acoustic frequency shifter is used to modulate the frequency of the laser beam. This F-P interferometer system can be used to measure the thermal coefficients of very low expansion as low as 10-9 with high accuracy.

Paper Details

Date Published: 5 February 1993
PDF: 5 pages
Proc. SPIE 1755, Interferometry: Techniques and Analysis, (5 February 1993); doi: 10.1117/12.140759
Show Author Affiliations
Yanbiao Liao, Tsinghua Univ. (China)
Huafeng Zhao, Tsinghua Univ. (China)
Bing Pang Tang, Tsinghua Univ. (China)
Shurong Lai, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 1755:
Interferometry: Techniques and Analysis
Gordon M. Brown; Osuk Y. Kwon; Malgorzata Kujawinska; Graeme T. Reid, Editor(s)

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