LD end-pumped thermal compensation Q-switched step concentration Tm : YAG laser

IF 0.7 4区 物理与天体物理 Q4 OPTICS
Jiawen Guo, Zhi Li, Qiujing Lin, Shiwei Xue, Chunting Wu, Yongji Yu
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Abstract

In this paper, for the first time, we propose an LD-end-pumped thermal compensation Q-switched step concentration Tm : YAG laser. A novel step concentration Tm : YAG crystal is used as the laser medium to mitigate the severe thermal effects typically encountered in single-doped Thulium crystals. To compensate the thermal lens effect generated by the crystal, we insert a negative lens into the cavity. At a repetition frequency of 100 Hz, an output energy of 7.82 mJ with a pulse width of 152.4 ns is achieved. The center wavelength is 2013.41 nm, and the beam quality is characterize by \(\mathrm{M}_{x}^{2}=1.34\) and \(\mathrm{M}_{y}^{2}=1.39\).

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来源期刊
CiteScore
1.50
自引率
22.20%
发文量
73
审稿时长
2 months
期刊介绍: The journal publishes original, high-quality articles that follow new developments in all areas of laser research, including: laser physics; laser interaction with matter; properties of laser beams; laser thermonuclear fusion; laser chemistry; quantum and nonlinear optics; optoelectronics; solid state, gas, liquid, chemical, and semiconductor lasers.
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