Double-pulse single-longitudinal-mode operation of injection-seeded laser using intracavity phase modulator

Junxuan Zhang; Xiaolei Zhu; Huaguo Zang; Shiguang Li; Xiuhua Ma; Jiqiao Liu; Weibiao Chen

doi:10.1117/1.OE.56.4.046105

17 April 2017 Double-pulse single-longitudinal-mode operation of injection-seeded laser using intracavity phase modulator

Junxuan Zhang, Xiaolei Zhu, Huaguo Zang, Shiguang Li, Xiuhua Ma, Jiqiao Liu, Weibiao Chen

Author Affiliations +

Funded by: Natural Science Foundation of China, Scientific Innovation Fund of Chinese Academy of Sciences

Optical Engineering, Vol. 56, Issue 4, 046105 (April 2017). https://doi.org/10.1117/1.OE.56.4.046105

Abstract

A single-longitudinal-mode (SLM) double-pulse injection-seeded neodymium-doped yttrium aluminium garnet (Nd:YAG) laser was established utilizing an RbTiOPO4 electro-optic crystal to modulate the optical path of the slave resonator for generating a resonance condition. The Q-switcher was fired twice during every pump period. This enabled the laser to emit a pair of SLM laser pulses with a time separation of 200 μs. Each pulse had a pulse energy of 13 mJ at 50-Hz repetition rate, pulse duration of 20±0.5 ns, and linewidth of 30±0.3 MHz (within 2 min). The beam quality factor of M2 was <1.22. A frequency jitter of 1.4 MHz was obtained within 2 min.

Citation Download Citation

Junxuan Zhang, Xiaolei Zhu, Huaguo Zang, Shiguang Li, Xiuhua Ma, Jiqiao Liu, and Weibiao Chen "Double-pulse single-longitudinal-mode operation of injection-seeded laser using intracavity phase modulator," Optical Engineering 56(4), 046105 (17 April 2017). https://doi.org/10.1117/1.OE.56.4.046105

Received: 28 December 2016; Accepted: 27 March 2017; Published: 17 April 2017

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