Device materials based on Er-, Ho-, Tm-, and Yb-doped rare-earth aluminum oxide (REAl) glass

Richard Weber; Paul C. Nordine; Thomas Key; Jean Tangeman

doi:10.1117/12.484119

17 June 2003 Device materials based on Er-, Ho-, Tm-, and Yb-doped rare earth aluminum oxide (REAl) glass

Richard Weber, Paul C. Nordine, Thomas Key, Jean Tangeman

Proceedings Volume 4990, Rare-Earth-Doped Materials and Devices VII; (2003) https://doi.org/10.1117/12.484119
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

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.

Citation Download Citation

Richard Weber, Paul C. Nordine, Thomas Key, and Jean Tangeman "Device materials based on Er-, Ho-, Tm-, and Yb-doped rare earth aluminum oxide (REAl) glass", Proc. SPIE 4990, Rare-Earth-Doped Materials and Devices VII, (17 June 2003); https://doi.org/10.1117/12.484119

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