14 February 2007 Beam-quality enhancement in multi-kW rod-based lasers by use of radially polarized light and phase-front correction
Author Affiliations +
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: an azimuthally-polarized oscillator, special pump-chambers, external compensation of lower-order aberrations, and high-order aberration compensation by pairing pump-chambers.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Inon Moshe, Steven Jackel, Avi Meir, Yaakov Lumer, Galina Machavariani, Shai Rosenberg, "Beam-quality enhancement in multi-kW rod-based lasers by use of radially polarized light and phase-front correction", Proc. SPIE 6452, Laser Resonators and Beam Control IX, 645202 (14 February 2007); doi: 10.1117/12.721038; https://doi.org/10.1117/12.721038
PROCEEDINGS
9 PAGES


SHARE
RELATED CONTENT

Diode pumped 1 kHz high power Nd YAG laser with...
Proceedings of SPIE (April 04 1997)
MOPA with kW average power and multi MW peak power...
Proceedings of SPIE (February 28 2006)
Alexandrite Laser Amplifiers
Proceedings of SPIE (June 23 1986)
Ultrahigh-brightness XeCl laser system
Proceedings of SPIE (July 06 1989)
High power solar pumped Nd YAG laser amplifier for free...
Proceedings of SPIE (October 03 1997)

Back to Top