High-power radially polarized good-quality beams from aberration compensated rod-based Nd:YAG lasers

Inon Moshe; Steven Jackel; Avi Meir; Yaakov Lumer; Eyal Leibush

doi:10.1117/12.737393

26 April 2007 High-power radially polarized good-quality beams from aberration compensated rod-based Nd:YAG lasers

Inon Moshe, Steven Jackel, Avi Meir, Yaakov Lumer, Eyal Leibush

Proceedings Volume 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; 63460X (2007) https://doi.org/10.1117/12.737393
Event: XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2006, Gmunden, Austria

Abstract

We developed a Nd:YAG rod-based MOPA to generate high power in a radially polarized beam. Two pump-chambers in the amplifier section produced 2.1kW @ M²=9.5, while three pump-chambers yielded 3.1kW @ M²=14. Efficiency in the last pump-chamber was 33%. Several techniques were utilized to enhance beam-quality: a radially polarized oscillator, special pump-chambers, external compensation of lower-order aberrations, and high-order aberration compensation by pairing pump-chambers.

Citation Download Citation

Inon Moshe, Steven Jackel, Avi Meir, Yaakov Lumer, and Eyal Leibush "High-power radially polarized good-quality beams from aberration compensated rod-based Nd:YAG lasers", Proc. SPIE 6346, XVI International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 63460X (26 April 2007); https://doi.org/10.1117/12.737393

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