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Proceedings Paper

Device materials based on Er-, Ho-, Tm-, and Yb-doped rare-earth aluminum oxide (REAl) glass
Author(s): Richard Weber; Paul C. Nordine; Thomas Key; Jean Tangeman
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Paper Abstract

Glasses based on rare earth oxide-aluminum oxide and containing high concentrations of Er2O3, Tm2O3, Yb2O3, or Ho2O3 were synthesized. The host glass is strong, hard, highly resistant to chemical attack, and stable to temperatures ~1000°C. Addition of up to 20 mole % silica markedly increased glass formability while maintaining infrared transmission to ~ 5000 nm in sections up to a few mm. The fluorescence lifetime of excited states in the dopant ions was measured as a function of dopant concentration, pump power and host composition. The absorption cross section and fluorescence line shape were measured for selected compositions. We present details of the glass synthesis and properties, and results of the optical measurements in the context of developing glass-based optical devices.

Paper Details

Date Published: 17 June 2003
PDF: 7 pages
Proc. SPIE 4990, Rare-Earth-Doped Materials and Devices VII, (17 June 2003); doi: 10.1117/12.484119
Show Author Affiliations
Richard Weber, Containerless Research, Inc. (United States)
Paul C. Nordine, Containerless Research, Inc. (United States)
Thomas Key, Containerless Research, Inc. (United States)
Jean Tangeman, Containerless Research, Inc. (United States)

Published in SPIE Proceedings Vol. 4990:
Rare-Earth-Doped Materials and Devices VII
Shibin Jiang; Jacques Lucas, Editor(s)

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