A birefringence-compensated two-rod Nd:YAG laser operating in TEM00 mode with a CW 61W output power |
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Authors: | C Liu |
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Institution: | 1. The State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou, 310027, China
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Abstract: | Two identically pumped Nd:YAG rods with a imaging system and a polarization rotator are used in experiments to achieve a complete
birefringence compensation. The measured depolarization ratio is from 1.0 to 2.5%, which increases with the increasing of
pump power. With a TEM00-mode operation, the depolarization ratio achieved is less than 1%. A dynamically stable resonator is performed using two
flat mirrors and an intra-cavity lens. 61 W linearly polarized output was achieved with a M
2 factor of 1.6, which is the state of the art for a lamp pumped laser. |
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Keywords: | |
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