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Proceedings Paper

Rare-earth-doped fluoride glasses for active optical fiber applications
Author(s): Jean-Luc Adam; Frederic Smektala; Emmanuel Denoue; Jacques Lucas
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Paper Abstract

The thermal and optical properties of a new series of fluoride glasses suitable for active fiber applications are presented. The glasses are based on barium, indium, gallium and zinc fluorides, and in the presence of LuF3 and PbF2 they exhibit a critical cooling rate of 16 degree(s)C min-1. The lowest fiber attenuation is found to be 0.5 dB m-1 at 2.7 micrometers . Compared to fluorozirconate glasses, their infrared transparency is shifted nearly 1 micrometers toward longer wavelengths. By means of Judd-Ofelt calculations and lifetime measurements on Er3+ doped samples, the multiphonon emission rate for this hose is investigated and compared to fluorozirconates.

Paper Details

Date Published: 1 August 1991
PDF: 8 pages
Proc. SPIE 1513, Glasses for Optoelectronics II, (1 August 1991); doi: 10.1117/12.46018
Show Author Affiliations
Jean-Luc Adam, Univ. de Rennes-Beaulieu (France)
Frederic Smektala, Univ. de Rennes-Beaulieu (France)
Emmanuel Denoue, Univ. de Rennes-Beaulieu (France)
Jacques Lucas, Univ. de Rennes-Beaulieu (France)

Published in SPIE Proceedings Vol. 1513:
Glasses for Optoelectronics II
Giancarlo C. Righini, Editor(s)

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