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Proceedings Paper

Scanning methods for the characterization of infrared glasses
Author(s): Alfred Reichmann; Stefan Heinemann; Barbara Luedge; K. Rudolph; Dieter Wostl
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Paper Abstract

For the characterization of infrared optical materials the homogeneity of refractive index and the residual stress-birefringence distribution are important parameters. The measurements of such properties of larger samples using large aperture optical systems in connection with infrared cameras result in an enhanced equipment, especially with respect to beam splitters and polarizing components. A concept to avoid this difficulties is the scanning method, where the sample is mounted on a table allowing the automatic translation by computer controlled stepper motors, while the beam has been fixed. The radiation of either a HeNe laser (3.39 pm) or a C02 laser (10.6 pm) is usually detected by sensitive thermocouples. Although, the data processing in the following measuring methods is nearly the same , the optical arrangement is quite different.

Paper Details

Date Published: 1 July 1990
PDF: 1 pages
Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); doi: 10.1117/12.34879
Show Author Affiliations
Alfred Reichmann, Friedrich-Schiller-Univ. (Germany)
Stefan Heinemann, Friedrich-Schiller-Univ. (Germany)
Barbara Luedge, Friedrich-Schiller-Univ. (Germany)
K. Rudolph, Friedrich-Schiller-Univ. (Germany)
Dieter Wostl, Friedrich-Schiller-Univ. (Germany)

Published in SPIE Proceedings Vol. 1319:
Optics in Complex Systems
F. Lanzl; H.-J. Preuss; G. Weigelt, Editor(s)

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