3MW peak power Nd+3:YAG/Cr+4:YAG microchip laser with efficient frequency conversion

D. A. Kuznetsov; E. A. Levtchuk; A. G. Okhrimchuk; A. V. Shestakov

doi:10.1117/12.753020

10 August 2007 3MW peak power Nd⁺³:YAG/Cr⁺⁴:YAG microchip laser with efficient frequency conversion

D. A. Kuznetsov, E. A. Levtchuk, A. G. Okhrimchuk, A. V. Shestakov

Proceedings Volume 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems; 67312X (2007) https://doi.org/10.1117/12.753020
Event: International Conference on Lasers, Applications, and Technologies '07, 2007, Minsk, Belarus

Abstract

1 mJ pulse energy with a pulse duration less 300 ps was achieved in Nd⁺³:YAG/Cr⁺⁴:YAG microchip laser. To overcome the polarization instability an output coupler sensitive to polarization was designed, using a multilayer dielectric mirror evaporated on a substrate made of a birefringent calcite crystal. Reflection coefficients for ordinary and extraordinary beams R_o = 53% and R_e = 57% were obtained. Subnanosecond laser operating at 1064 nm, 532 nm and 355 nm wavelengths with high output brightness and intensity was constructed.

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D. A. Kuznetsov, E. A. Levtchuk, A. G. Okhrimchuk, and A. V. Shestakov "3MW peak power Nd⁺³:YAG/Cr⁺⁴:YAG microchip laser with efficient frequency conversion", Proc. SPIE 6731, International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 67312X (10 August 2007); https://doi.org/10.1117/12.753020

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KEYWORDS

Dielectric polarization

Crystals

YAG lasers

Output couplers

Neodymium

Chromium

Reflection

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