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  • Vol. 24, Iss. 6 — Mar. 15, 1999
  • pp: 382–384

Laser emission of erbium-doped fluoride bulk glasses in the spectral range from 2.7 to 2.8 μm

T. Sandrock, A. Diening, and G. Huber  »View Author Affiliations


Optics Letters, Vol. 24, Issue 6, pp. 382-384 (1999)
http://dx.doi.org/10.1364/OL.24.000382


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Abstract

We report on the laser emission of erbium-doped fluoride glasses in the spectral range from 2.7 to 2.8 μm . The pump source was a fiber-coupled InGaAs semiconductor laser emitting near λp~970 nm . The laser performance of bulk samples with various ErF3 contents was investigated with respect to the optimum doping concentration, which is estimated to be higher than 8 mol. %. A maximum output power of Pout > 160 mW and a slope efficiency of η = 10% were achieved. Results are compared with previously published data on erbium-doped ZBLAN fiber and LiYF4 crystal lasers.

© 1999 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(160.2750) Materials : Glass and other amorphous materials
(160.3380) Materials : Laser materials

Citation
T. Sandrock, A. Diening, and G. Huber, "Laser emission of erbium-doped fluoride bulk glasses in the spectral range from 2.7 to 2.8 μm," Opt. Lett. 24, 382-384 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-6-382


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