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Proceedings Paper

Acoustic characterization of optical fiber glasses
Author(s): Cheng-Kuei Jen; Christian Neron; Alain Z. Shang; Koichi Abe; Lee J. Bonnell; J. Kushibiki; Costas Saravanos
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Paper Abstract

Acoustic characterization of doped silica glasses with a Ge02, P205, F, Ti02, A1203 or B203 dopant having different concentrations is presented. The quantitative measurements are performed by a 225 MHz line-focus-beam scanning acoustic microscope. The acoustic velocity variation due to different dopant concentrations for each dopant is given. It has been found that the A1203 dopant increases but the other dopants decrease the acoustic velocity as compared to that of the pure fused silica. The fiber preforms having step and graded refractive index profiles also show step and graded acoustic velocity profiles respectively. We have also found that the acoustic velocity is more sensitive to the dopant concentration as compared with that of optical refractive index.

Paper Details

Date Published: 1 November 1991
PDF: 13 pages
Proc. SPIE 1590, Submolecular Glass Chemistry and Physics, (1 November 1991); doi: 10.1117/12.50205
Show Author Affiliations
Cheng-Kuei Jen, National Research Council (Canada)
Christian Neron, National Research Council (Canada)
Alain Z. Shang, National Research Council (Canada)
Koichi Abe, National Optics Institute (Canada)
Lee J. Bonnell, National Optics Institute (Canada)
J. Kushibiki, Tohoku Univ. (Japan)
Costas Saravanos, Northern Telecom Ltd. (Canada)

Published in SPIE Proceedings Vol. 1590:
Submolecular Glass Chemistry and Physics
Phillip Bray; Norbert J. Kreidl, Editor(s)

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