Chinese Optics Letters, 2015, 13 (11): 111404, Published Online: Sep. 13, 2018   

Stable seeder-injected Nd:YAG pulsed laser using a RbTiOPO4 phase modulator Download: 552次

Author Affiliations
1 Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai 201800, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
A stable, single-longitudinal-mode, nanosecond-pulsed Nd:YAG laser with a laser-diode dual-end pumping arrangement is constructed. Injection seeding is performed successfully by utilizing a RbTiOPO4 crystal as the intracavity phase modulator to change the optical length of the slave cavity based on the delay-ramp-fire technique. The laser generates 9.9 mJ of pulse energy with a 16 ns pulse duration at a 400 Hz repetition rate. A near-diffraction-limit laser beam is achieved with a beam quality factor M2 of approximately 1.2. The frequency jitter is 1.5 MHz over 2 min, and the fluctuation of the output pulse power is 0.3% over 23 min.

Junxuan Zhang, Xiaolei Zhu, Xiuhua Ma, Huaguo Zang, Shiguang Li, Suyong Yin, Weibiao Chen. Stable seeder-injected Nd:YAG pulsed laser using a RbTiOPO4 phase modulator[J]. Chinese Optics Letters, 2015, 13(11): 111404.

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