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Proceedings Paper

The Measurement Of Cavity Spacing For Fabry-Perot Interferometer With High Accuracy
Author(s): Wu Rul-Kun; Fang Zi-Wei
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Paper Abstract

We report here a method to measure the cavity spacing of a Fabry-Perot interferometers with error less than several tenth of wavelength. First the central fractional order was obtained from the interference pattern by a OMA system, which consists of diode array and microcomputer, for 32 different wavelength and He-Ne 6328 line . Than by using the method of excess fractions to process data the absolute interference order and the cavity spacing of Fabry-Perot was worked out from data corresponding to at least to 4 different wave-length. Further more , the relative reflection phase dispersion curve for silver Mirror was also obtained by the fitting data method.

Paper Details

Date Published: 6 November 1987
PDF: 13 pages
Proc. SPIE 0776, Metrology of Optoelectronic Systems, (6 November 1987); doi: 10.1117/12.940447
Show Author Affiliations
Wu Rul-Kun, Shanghai Institute of Optics and Fine Mechanics (China)
Fang Zi-Wei, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 0776:
Metrology of Optoelectronic Systems
Edward M. Granger, Editor(s)

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