Laser glasses and laser glass fibers

Details Laser glasses and laser glass fibers Laser glasses and laser glass fibers

1995-11-24

1998-06-09

Lee, John D.

Coherent light generators

Optical fiber laser

359341, 385123, 385142, 501 37, 501 40, 501140, 501900, C03C 332, H01S 307

Patent

active

057646619

ABSTRACT:
Disclosed are laser glasses composed of a Ga--Na--S glasses doped with one or more kinds of activating ions, laser glass fibers comprising a core and a clad wherein the core is composed of the above-mentioned laser glasses of the present invention and optical fiber amplifiers comprising a pumping source, a laser glass fiber and a means for introducing pumping light and signal light into the laser glass fiber wherein the laser glass fiber is the above-mentioned laser glass fiber of the present invention. The laser glasses of the present invention show high radiative quantum efficiency and host glass stability and can be produced easily.

REFERENCES:
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patent: 5378664 (1995-01-01), Becker et al.
patent: 5392376 (1995-02-01), Aitken et al.
P.C. Becker et al., "Pr.sup.3+ :La-Ga-S Glass: A Promising Material for 1.3 .mu.m Fiber Amplification", OSA, 1992, Postdealine Paper PD5, pp. 20-23
D.W. Hewak et al., "Emission at 1.3 .mu.m from dysprosium-doped Ga:LA:S glass", Electronics Letters, 9th Jun. 1994, vol. 30, No. 12, pp. 968-970.
S.Q. Gu et al., "Optical Characterization of Er:As.sub.2 S.sub.3 glass",
Elias Snitzer et al., "Ge-GA-S Glass for 1.3 .mu.m Amplifiers and Mask Fabrication of Gratings in Ge-SiO.sub.2 Fibers", The 4th International
Marcel Palazzi, "CHIMIE MINERALE -- Etude du Systeme Ga.sub.2 S.sub.3 -Na.sub.2 S. Mise en evidence d'une zone formatrice de verres", C. R. month!.
Journal of Non-Crystalline Solids, vol. 182, No. 3, Mar. 2, 1995, pp. 257-261, K. Wei et al, "Pr.sup.3+ -Doped Ge-Ga-S Glasses . . . ".
Verres et Refractaires, "Verres de sulfures de terres rares", vol. 35, No. 4, Aug. 1981, pp.671-674, J. Flahaut.
Solid State Ionics, "Vibrational spectra of the vitreous Ga2S3-Na2S

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