Continuous wave single longitudinal mode SHG with two stages of intra-cavity power enhancement at fundamental frequency

Fedor Karpushko

doi:10.1117/12.763235

20 February 2008 Continuous wave single longitudinal mode SHG with two stages of intra-cavity power enhancement at fundamental frequency

Fedor Karpushko

Author Affiliations +

Proceedings Volume 6871, Solid State Lasers XVII: Technology and Devices; 68711M (2008) https://doi.org/10.1117/12.763235
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

In common intra-cavity SHG schemes, the requirement for high(st) level of fundamental frequency power inside the non-linear crystal contradicts with the condition for extracting the maximum power available from the laser active medium. This impedance mismatch problem is removed by using the fundamental frequency power enhancement in two steps, the first one being optimized for maximum power outcoupling while at the second step the circulating inside nonlinear crystal power is further increased for maximum efficiency of SHG process. Experimentally proved this approach allows 3-5 times higher SH output power from DPSS lasers at given pump as compared with traditional schemes.

Citation Download Citation

Fedor Karpushko "Continuous wave single longitudinal mode SHG with two stages of intra-cavity power enhancement at fundamental frequency", Proc. SPIE 6871, Solid State Lasers XVII: Technology and Devices, 68711M (20 February 2008); https://doi.org/10.1117/12.763235

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