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Chin. Opt. Lett.
 Home  List of Issues    Issue 03 , Vol. 17 , 2019    10.3788/COL201917.031402


1 kHz single-frequency, injection-seeded Er:YAG laser with an optical feedback
Yixuan Zhang, Chunqing Gao, Qing Wang, Quanxin Na, Meng Zhang, Mingwei Gao, and Shuai Huang
School of Optics and Photonics, [Beijing Institute of Technology], Beijing 100081, China

Chin. Opt. Lett., 2019, 17(03): pp.031402

DOI:10.3788/COL201917.031402
Topic:Lasers and laser optics
Keywords(OCIS Code): 140.3520  140.3280  140.3540  

Abstract
A novel 1 kHz single-frequency, Q-switched Er-doped yttrium aluminum garnet (Er:YAG) laser pumped by a 1470 nm laser diode is demonstrated. The 500 ns, 5.52 mJ single-frequency, diffraction-limited pulses are obtained by using a ‘ramp-fire’ injection-seeding technique and an optical feedback architecture. The full width at half-maximum of the pulse spectrum is measured to be 1.47 MHz by using the heterodyne technique. The beam quality M2 factors are measured to be 1.18 and 1.24 in the x and y directions, respectively.

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Received:2018/9/10
Accepted:2018/12/14
Posted online:2019/3/4

Get Citation: Yixuan Zhang, Chunqing Gao, Qing Wang, Quanxin Na, Meng Zhang, Mingwei Gao, and Shuai Huang, "1 kHz single-frequency, injection-seeded Er:YAG laser with an optical feedback," Chin. Opt. Lett. 17(03), 031402(2019)

Note: This work was supported by the National Natural Science Foundation of China (NSFC) (No. 61627821) and the National Key Research and Development Program of China (No. 2017YFB0405203).



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