2 kHz single-frequency, injection-seeded Q-switched laser with a 'double-reflection' architecture

被引：7
|
作者：
Zhang, Yixuan [1 ]
Gao, Chunqing [1 ]
Wang, Qing [1 ]
Na, Quanxin [1 ]
Gao, Mingwei [1 ]
Zhang, Meng [1 ]
Huang, Shuai [1 ]
机构：
[1] Beijing Inst Technol, Sch Opt & Photon, Beijing, Peoples R China
来源：
LASER PHYSICS LETTERS | 2019年 / 16卷 / 11期
基金：
中国国家自然科学基金;
关键词：
solid-state lasers; Q-switching; injection-seeding; diode-pumped lasers; single-frequency lasers; eye-safe lasers; Er:YAG lasers;
D O I：
10.1088/1612-202X/ab4598
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high-repetition-rate single-frequency injection-seeded Q-switched Er:YAG laser with a 'double reflection' architecture is reported. Single-frequency laser pulses at a pulse repetition frequency (PRF) of 2 kHz are obtained by using 'ramp-fire' injection-seeding technique. The half-width of the pulse spectrum is measured to be 2.05 MHz by using the heterodyne beating technique. The novel 'double-reflection' architecture is employed in order to achieve a stable high-repetition-rate single-frequency operation. As far as we know, 2 kHz is the highest PRF achieved from a single-frequency, injection-seeded Q-switched Er:YAG laser that can be used in a wind Lidar system.
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页数：5
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