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Proceedings Paper

Laser interferometer for determination of refractive index and thickness
Author(s): Serguei A. Alexandrov; Igor V. Chernyh; Petr T. Lischenko
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Paper Abstract

THe experimental model of laser interferometer for measurement of absolute refractive index and thickness of optical media had been created and investigated. The interferometer allows to test both solid, liquid and gaseous media. The sample for measurement should be in a form of a plane parallel plate. The interferometer permits to measure the geometrical thickness of the plane parallel samples with interference accuracy, simultaneously with the refractive index measurement. The mathematical simulation of measuring process with PC has ben performed. The results of investigations of the interferometer precision possibilities are presented.

Paper Details

Date Published: 1 November 1997
PDF: 6 pages
Proc. SPIE 3134, Optical Manufacturing and Testing II, (1 November 1997); doi: 10.1117/12.279133
Show Author Affiliations
Serguei A. Alexandrov, Research Production Association Rusbelpribor (Belarus)
Igor V. Chernyh, JSC Peleng (Belarus)
Petr T. Lischenko, Research Production Association Rusbelpribor (Belarus)

Published in SPIE Proceedings Vol. 3134:
Optical Manufacturing and Testing II
H. Philip Stahl, Editor(s)

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