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Proceedings Paper

Optical and thermal evaluation of transparent materials and surfaces by FTIR and integrating spheres
Author(s): Ulrich Frei; Michael Koehl
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Paper Abstract

Integrating sphere measurements are presented in the wavelength range from 0.35 micrometers to 18 micrometers . The spheres are used with a rapid scan FTIR Bruker IFS66. The design of the sphere allows the spectral reflectance and transmittance to be determined, both as normal hemispherical and as normal diffuse values. The excellent resolution and reproducibility is demonstrated by noise spectra and some measurements. The easy sample handling makes this instrument a versatile tool for the development of new materials as well as for aging investigations.

Paper Details

Date Published: 1 March 1992
PDF: 3 pages
Proc. SPIE 1575, 8th Intl Conf on Fourier Transform Spectroscopy, (1 March 1992); doi: 10.1117/12.56412
Show Author Affiliations
Ulrich Frei, Interkantonales Technikum (Switzerland)
Michael Koehl, Fraunhofer-Institut fuer Solare Energie Systeme (Germany)

Published in SPIE Proceedings Vol. 1575:
8th Intl Conf on Fourier Transform Spectroscopy
Herbert Michael Heise; Ernst Heiner Korte; Heinz W. Siesler, Editor(s)

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