Compact Polygonal Active-Mirror Laser With Composite Nd:YAG/YAG Gain Medium

Chen, Yanzhong; Lang, Ye; Liao, Lifen; Fan, Zhongwei; He, Jun; Guo, Guangkun; Lin, Wenxiong; Ma, Yanxing; Zhang, Hongbo; Zhang, Jian

doi:10.1109/jphot.2017.2736009

Cited by 2 publications

(2 citation statements)

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“…The size of each disk was 6 * 10 * 0.2 (mm 3 ), and the Nd-ion doping concentration was 0.7 at.%. The thickness design and absorption efficiency was described in our previous work [9], in which the laser output ability of the PAM gain medium was tested with a plane-plane cavity. A high efficiency and a CW laser with a good beam quality was obtained.…”

Section: Crystal Nd:yag/yag Polygonal Active-mirrormentioning

confidence: 99%

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Actively Q-switched laser with novel Nd:YAG/YAG polygonal active-mirror

Lang¹,

Chen²,

Ge³

et al. 2018

Laser Phys.

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In this work, we demonstrate an efficient actively Q-switched laser based on a novel crystal Nd:YAG/YAG polygonal active mirror. A passively cooled crystal Nd:YAG/YAG polygonal active mirror with an end pump scheme was used as the gain medium. For the overlap between the TEM 00 laser mode and large gain profile, a cavity was carefully designed with a large fundamental mode volume. With a maximum absorbed power of 3.1 W, a 685 mW average output power with a pulse repetition of 5 kHz was attained, and the corresponding optical-optical and slope efficiency were 22.1% and 27.7%, respectively. The pulse width was 133.9 ns. The beam quality (M 2 ) was 1.561 in the horizontal direction and 1.261 in the vertical direction.

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Section: Crystal Nd:yag/yag Polygonal Active-mirrormentioning

confidence: 99%

“…For laser reflection on the thin-disk back surface, the surface should be HR coated. With the total internal reflection scheme, the laser can be directly reflected onto the back surface without being coated [4][5][6]9]. The cap can also suppress the ASE and increase the maximum power [10][11][12].…”

Section: Introductionmentioning

confidence: 99%