Efficient laser operation of Cr,Nd:GGG crystals at 1.331 and 1.423 um

Valery B. Sigachev; M. E. Doroshenko; Vyacheslav V. Osiko; M. I. Timoshechkin

doi:10.1117/12.149266

21 July 1993 Efficient laser operation of Cr,Nd:GGG crystals at 1.331 and 1.423 um

Valery B. Sigachev, M. E. Doroshenko, Vyacheslav V. Osiko, M. I. Timoshechkin

Author Affiliations +

Proceedings Volume 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II; (1993) https://doi.org/10.1117/12.149266
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

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.

Citation Download Citation

Valery B. Sigachev, M. E. Doroshenko, Vyacheslav V. Osiko, and M. I. Timoshechkin "Efficient laser operation of Cr,Nd:GGG crystals at 1.331 and 1.423 um", Proc. SPIE 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II, (21 July 1993); https://doi.org/10.1117/12.149266

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