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Proceedings Paper

Study of the performance of optical-grade germanium infrared materials using various optical characterization techniques
Author(s): Heidi Otteavare; Steven Brantegem; Virginia Gomez; Erik Stijns; Hugo Thienpont; Igor Romandic; Jan Van Nylen; Hans Vercammen; Dirk Vyncke
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Paper Abstract

Optimization of the optical quality of optical-grade germanium components requires an in-depth investigation of the different contributions to the optical loss in germanium. In this paper we therefore focus on this optical characterization. We give an overview of possible characterization techniques to determine surface roughness, surface/bulk absorption and refractive index inhomogeneities and we highlight the obtained optical characteristics. To conclude we select the most appropriate non-destructive characterization tool for each optical parameter.

Paper Details

Date Published: 15 October 2005
PDF: 9 pages
Proc. SPIE 5990, Optically Based Materials and Optically Based Biological and Chemical Sensing for Defence II, 59900B (15 October 2005); doi: 10.1117/12.633533
Show Author Affiliations
Heidi Otteavare, Vrije Univ. Brussel (Belgium)
Steven Brantegem, Vrije Univ. Brussel (Belgium)
Virginia Gomez, Vrije Univ. Brussel (Belgium)
Erik Stijns, Vrije Univ. Brussel (Belgium)
Hugo Thienpont, Vrije Univ. Brussel (Belgium)
Igor Romandic, Umicore Electro-Optic Materials (Belgium)
Jan Van Nylen, Umicore Electro-Optic Materials (Belgium)
Hans Vercammen, Umicore Electro-Optic Materials (Belgium)
Dirk Vyncke, Umicore Electro-Optic Materials (Belgium)


Published in SPIE Proceedings Vol. 5990:
Optically Based Materials and Optically Based Biological and Chemical Sensing for Defence II
Anthony W. Vere; John C. Carrano; Arturas Zukauskas; James G. Grote; Francois Kajzar, Editor(s)

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