Efficient compensation of thermal birefringence of a flash-lamp pumped Nd:YAG laser by a simple but novel method

S. Mondal; S. Datta; S. Dey; S. Bera; S. P. Singh; P. K. Datta

doi:10.1117/12.877084

3 March 2011 Efficient compensation of thermal birefringence of a flash-lamp pumped Nd:YAG laser by a simple but novel method

S. Mondal, S. Datta, S. Dey, S. Bera, S. P. Singh, P. K. Datta

Author Affiliations +

Proceedings Volume 7912, Solid State Lasers XX: Technology and Devices; 79122F (2011) https://doi.org/10.1117/12.877084
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

A simple but novel technique for eliminating depolarization loss resulting from thermally induced stress birefringence of a flash lamp-pumped free running Nd:YAG laser is reported here. The output characteristics of the beam with minimum depolarization loss have been systematically investigated by testing various resonator configuration, pump repetition rate and pump power for a Nd:YAG rod of 4mm diameter and 65mm length. It is shown that, by a tilted Glan-Taylor polarizer inside a stable cavity optimally reduces depolarization loss upto 8%.

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S. Mondal, S. Datta, S. Dey, S. Bera, S. P. Singh, and P. K. Datta "Efficient compensation of thermal birefringence of a flash-lamp pumped Nd:YAG laser by a simple but novel method", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79122F (3 March 2011); https://doi.org/10.1117/12.877084

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