Interference refractometer and thickness meter

Serguei A. Alexandrov, Igor V. Chernyh, Valery N. Korban

Research output: Contribution to a Journal (Peer & Non Peer)Conference articlepeer-review

Abstract

The experimental model of laser interference refractometer and thicknessmeter (IRT) for simultaneous measurement of absolute refractive index and thickness of the plane parallel samples has been developed, manufactured and investigated. This IRT allows to test solid, liquid and gaseous media, including optical crystals, plastics and other sheet materials, over a wide spectral range. IRT accuracy of refractive index measurement is not worse than from the best modern goniometers and accuracy of thickness measurement corresponds to the interference accuracy.

Original languageEnglish
Pages (from-to)778-785
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume2782
DOIs
Publication statusPublished - 2004
Externally publishedYes
EventOptical Inspection and Micromeasurements - Besancon, France
Duration: 10 Jun 199610 Jun 1996

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