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Optical Engineering • new

Double-pulse single-longitudinal-mode operation of injection-seeded laser using intracavity phase modulator
Author(s): Junxuan Zhang; Xiaolei Zhu; Huaguo Zang; Shiguang Li; Xiuhua Ma; Jiqiao Liu; Weibiao Chen
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Paper Abstract

A single-longitudinal-mode (SLM) double-pulse injection-seeded neodymium-doped yttrium aluminium garnet (Nd:YAG) laser was established utilizing an RbTiOPO 4 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    μ s . 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 M 2 was < 1.22 . A frequency jitter of 1.4 MHz was obtained within 2 min.

Paper Details

Date Published: 17 April 2017
PDF: 5 pages
Opt. Eng. 56(4) 046105 doi: 10.1117/1.OE.56.4.046105
Published in: Optical Engineering Volume 56, Issue 4
Show Author Affiliations
Junxuan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaolei Zhu, Shanghai Institute of Optics and Fine Mechanics (China)
Huaguo Zang, Shanghai Institute of Optics and Fine Mechanics (China)
Shiguang Li, Shanghai Institute of Optics and Fine Mechanics (China)
Xiuhua Ma, Shanghai Institute of Optics and Fine Mechanics (China)
Jiqiao Liu, Shanghai Institute of Optics and Fine Mechanics (China)
Weibiao Chen, Shanghai Institute of Optics and Fine Mechanics (China)


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