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Proceedings Paper

Rare-earth oxide: aluminum oxide glasses for midrange IR devices
Author(s): Richard Weber; Ronald W. Waynant; Ilko K. Ilev; Thomas Key; Paul Nordine
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Paper Abstract

Glass and glass fibers formed from rare earth (RE) oxide-aluminum oxide compositions (REAlTM glasses) have properties similar to sapphire. They exhibit infrared transmission to wavelengths ~ 5000 nm; are hard and strong, thermally stable to ~ 1000°C, highly resistant to attack by aqueous solutions; and can be made into homogeneous products that contain large concentrations of optically active dopants. This paper describes the synthesis, optical properties, fluorescence lifetime measurements of Er3+- and Ho3+-doped glasses, and in-progress resaerch on materials that emit in the 2000-3000 nm wavelength range of interest for medical device applications. Effects of host glass compsition and dopant concentrations up to 32 mole% are presented.

Paper Details

Date Published: 1 July 2003
PDF: 7 pages
Proc. SPIE 4957, Optical Fibers and Sensors for Medical Applications III, (1 July 2003); doi: 10.1117/12.485589
Show Author Affiliations
Richard Weber, Containerless Research, Inc. (United States)
Ronald W. Waynant, Ctr. for Devices and Radiological Health/U.S. Food and Drug Administration (United States)
Ilko K. Ilev, Ctr. for Devices and Radiological Health/U.S. Food and Drug Administration (United States)
Thomas Key, Containerless Research, Inc. (United States)
Paul Nordine, Containerless Research, Inc. (United States)


Published in SPIE Proceedings Vol. 4957:
Optical Fibers and Sensors for Medical Applications III
Israel Gannot, Editor(s)

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