Halide-modified Ga-La sulfide glasses with improved fibre-drawing and optical properties for Pr³⁺-doped fibre amplifiers at 1.3µm

Wang, J., Hector, J.R., Brady, D., Hewak, D., Brocklesby, W.S., Kluth, M., Moore, R. and Payne, D.N. (1997) Halide-modified Ga-La sulfide glasses with improved fibre-drawing and optical properties for Pr³⁺-doped fibre amplifiers at 1.3µm. Applied Physics Letters, 71 (13), 1753-1755. (doi:10.1063/1.119389).

Abstract

We report Cs halide-modified Ga-La sulfide glasses, a new class of chalcohalide glasses with improved fiber-drawing and optical properties suitable for Pr³⁺-doped fiber amplifiers at 1.3µm. Cs halide-modified Ga-La sulfide glasses retain the essential characteristics of low phonon-energy and good rare-earth solubility of pure Ga-La sulfide glasses. However, they transmit further into the UV/visible region of the spectrum, and can meet the need of high thermal stability for fiber fabrication.

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Contributors

Author: D. Hewak

Author: W.S. Brocklesby

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