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Proceedings Paper

High-precision interference refractometer for length measurements
Author(s): Reimund Torge; Egbert Morgenbrod; Thomas Irtenkauf
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Paper Abstract

The design principles and the modes of operation of an interference refractometer, made up of standard components of a cube corner interferometer for length measurements, are presented. Equipped with a reference path of rays, the refractive index of air and the displacement of the cube corner reflector may be measured simultaneously. It has been shown, that this system is well suited for absolute measurements of the refractive index of air in high precision metrology.

Paper Details

Date Published: 23 June 1995
PDF: 8 pages
Proc. SPIE 2208, Refractometry, (23 June 1995); doi: 10.1117/12.213206
Show Author Affiliations
Reimund Torge, Carl Zeiss (Germany)
Egbert Morgenbrod, Carl Zeiss (Germany)
Thomas Irtenkauf, Carl Zeiss (Germany)

Published in SPIE Proceedings Vol. 2208:
Maksymilian Pluta; Mariusz Szyjer, Editor(s)

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