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16 January 1989 Near IR Goniometer-Spectrometer
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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.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
G J. Ulbrich, J. Trede, and M. Mross "Near IR Goniometer-Spectrometer", Proc. SPIE 0970, Properties and Characteristics of Optical Glass, (16 January 1989); https://doi.org/10.1117/12.948180
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