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  • Received: Jan. 19, 2019

    Accepted: Mar. 14, 2019

    Posted: May. 22, 2019

    Published Online: May. 22, 2019

    The Author Email: Zhengping Wang (zpwang@sdu.edu.cn), Fapeng Yu (fapengyu@sdu.edu.cn)

    DOI: 10.3788/COL201917.061402

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    Yuxiang Sun, Mengxia Wang, Xinle Wang, Ying Zhou, Bo Wang, Zhengping Wang, Fapeng Yu, Xinguang Xu. Passively Q-switched self-frequency doubling Nd3+:ReCa4O(BO3)3 (Re = Y, Gd) lasers with tin diselenide as a saturable absorber[J]. Chinese Optics Letters, 2019, 17(6): 061402

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Chinese Optics Letters, Vol. 17, Issue 6, 061402 (2019)

Passively Q-switched self-frequency doubling Nd3+:ReCa4O(BO3)3 (Re = Y, Gd) lasers with tin diselenide as a saturable absorber

Yuxiang Sun1, Mengxia Wang1, Xinle Wang1, Ying Zhou1, Bo Wang1,2, Zhengping Wang1,2,*, Fapeng Yu1,**, and Xinguang Xu1,2

Author Affiliations

  • 1State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
  • 2Key Laboratory of Functional Crystal Materials and Device (Shandong University), Ministry of Education, Jinan 250100, China

Abstract

With tin diselenide (SnSe2) film as a saturable absorber (SA), the passively Q-switched self-frequency doubling (SFD) lasers were realized in Nd3+:ReCa4O(BO3)3 (Re = Y, Gd) crystals. For Nd:YCa4O(BO3)3 crystal, the maximum average output power at 532 nm was 19.6 mW, and the corresponding pulse repetition frequency, pulse duration, single pulse energy, and peak power were 17.6 kHz, 91.9 ns, 1.1 μJ, and 12.1 W, respectively. For Nd:GdCa4O(BO3)3 crystal, these values were 14.5 mW, 22.1 kHz, 48.7 ns, 0.66 μJ, and 13.5 W.

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