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Proceedings Paper

Efficient laser operation of Cr,Nd:GGG crystals at 1.331 and 1.423 um
Author(s): Valery B. Sigachev; M. E. Doroshenko; Vyacheslav V. Osiko; M. I. Timoshechkin
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Paper Abstract

Spectroscopic and laser properties of Cr,Nd:GGG and Nd:YAG crystals in the 1.3 - 1.45 micrometers wavelength range have been compared. Flashpumped Cr,Ce,Nd:GGG laser operating at 1.331 micrometers with total efficiency up to 3% and average output power of 65 W has been developed. For the first time to our knowledge oscillation at 1.4237 micrometers wavelength in Cr,Nd:GGG crystal have been obtained. Output energy of 2.3 J at this eyesafe wavelength with total efficiency of 1.23% have been obtained for flashpumped Cr,Ce,Nd:GGG laser in free-running mode. Average output power of 21.6 W at 13 Hz repetition rate have been achieved. Cr,Nd:GGG crystals advantages for 1.4 micrometers lasing compared to Nd:YAG crystals are discussed.

Paper Details

Date Published: 21 July 1993
PDF: 8 pages
Proc. SPIE 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II, (21 July 1993); doi: 10.1117/12.149266
Show Author Affiliations
Valery B. Sigachev, General Physics Institute (Russia)
M. E. Doroshenko, General Physics Institute (Russia)
Vyacheslav V. Osiko, General Physics Institute (Russia)
M. I. Timoshechkin, General Physics Institute (Russia)

Published in SPIE Proceedings Vol. 1863:
Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II
Bruce H. T. Chai, Editor(s)

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