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Proceedings Paper

Structural characterization of chalcogenide planar waveguide materials using near-infrared Raman spectroscopy
Author(s): Kathleen A. Richardson; Kevin Zollinger; Jennifer K. Evans; Mathieu Marchivie; Alfons Schulte; Thierry Cardinal; Chiara Meneghini; Karine Le Foulgoc; Ali Saliminia; Tigran V. Galstian; Alain Villeneuve
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Paper Abstract

Chalcogenide glasses (ChG) based on As, S and Se are transparent in the infrared and have found applications in bulk, planar and fiber waveguide optical components. Due to their recent use in planar channel waveguide devices, a study to assess how structural variations imposed by processing conditions (film deposition) lead to changes in linear and nonlinear optical properties, is ongoing in our group. High resolution, near infrared (NIR) ((lambda) equals 840 nm) Raman spectroscopy has been employed to characterize changes in bonding between bulk glass specimens and glass in planar form. To obtain spectroscopic and spatially resolved information on chemical bonding, a microscope attachment has been constructed and is characterized as to its spatial resolution. Measurements are presented on single layer films prepared using processing and illumination conditions such as those used in fabricating waveguide components. These data are discussed in comparison to spectra obtained on bulk glass materials.

Paper Details

Date Published: 10 December 1999
PDF: 11 pages
Proc. SPIE 3849, Infrared Optical Fibers and Their Applications, (10 December 1999); doi: 10.1117/12.372789
Show Author Affiliations
Kathleen A. Richardson, CREOL/Univ. of Central Florida (United States)
Kevin Zollinger, Univ. of Central Florida (United States)
Jennifer K. Evans, CREOL/Univ. of Central Florida (United States)
Mathieu Marchivie, Univ. de Bordeaux I (France)
Alfons Schulte, Univ. of Central Florida (United States)
Thierry Cardinal, Univ. de Bordeaux I (France)
Chiara Meneghini, Univ. Laval (Canada)
Karine Le Foulgoc, Univ. Laval (Canada)
Ali Saliminia, Univ. Laval (Canada)
Tigran V. Galstian, Univ. Laval (Canada)
Alain Villeneuve, Univ. Laval (Canada)


Published in SPIE Proceedings Vol. 3849:
Infrared Optical Fibers and Their Applications
Mohammed Saad; James A. Harrington, Editor(s)

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