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Proceedings Paper

Near IR Goniometer-Spectrometer
Author(s): G J. Ulbrich; J. Trede; M. Mross
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Paper Abstract

The Moller-Wedel Goniometer-Spectrometer Model 1 is a high accuracy instrument for the determination of prism angles and index of refraction in the visible wavelength range (400-700nm). The instrument is capable of absolute accuracy to ± 0.2 arcsec for prism angle measurements, and ±1X10-6 for index of refraction measurements. Recently, we have developed a modified version of this instrument to provide absolute index of refraction measurements in the Near Infrared (NIR) wavelength range (800-2400 nm). The absolute accuracy for index of refraction measurements in the NIR is ±1X10-6.

Paper Details

Date Published: 16 January 1989
PDF: 8 pages
Proc. SPIE 0970, Properties and Characteristics of Optical Glass, (16 January 1989); doi: 10.1117/12.948180
Show Author Affiliations
G J. Ulbrich, J.D. Wier Optische Werke GmbH (Germany)
J. Trede, J.D.Wier Optische Werke GmbH (Germany)
M. Mross, Vermont Photonics (United States)

Published in SPIE Proceedings Vol. 0970:
Properties and Characteristics of Optical Glass
Alexander J. Marker III, Editor(s)

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