Passively Q-switched nd:YAG laser via a WS2 saturable absorber
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- 作者：Xi Wang ; Yonggang Wang ; chinawygxjw@opt.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Lina Duan ; Lu Li ; Hang Sun
- 关键词：160.4330 ; 140.3540 ; 140.3580
- 刊名：Optics Communications
- 出版年：2016
- 出版时间：15 May 2016
- 年：2016
- 卷：367
- 期：Complete
- 页码：234-238
- 全文大小：677 K
文摘
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A passively Q-switched Nd:YAG laser at 1064 nm by using WS2 solution as the saturable absorber (SA) was reported.
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The WS2 solution were fabricated by the liquid-phase-exfoliated method and injected into quartz cells.
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Such liquid absorbers have the virtues of adjustable optical absorption, high heat dissipation and non-contact damage.
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By inserting those WS2 solutions in the laser cavity, three kinds of stable Q-switched laser operations were obtained.
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The corresponding pulse widths are 1.28 μs, 1.03 μs, and 922 ns.
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Those results demonstrate that the higher the concentration of SA solution, the shorter the pulse width, and the higher the repetition rate.