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

Yuxiang Sun; Mengxia Wang; Xinle Wang; Ying Zhou; Bo Wang; Zhengping Wang; Fapeng Yu; Xinguang Xu

doi:10.3788/COL201917.061402

Journals >Chinese Optics Letters >Volume 17 >Issue 6 >Page 061402 > Article

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 Wang^1,2, Zhengping Wang^1,2,*, Fapeng Yu^1,** and Xinguang Xu^1,2|Show fewer author(s)

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

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DOI: 10.3788/COL201917.061402 Cite this Article Set citation alerts

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," Chin. Opt. Lett. 17, 061402 (2019) Copy Citation Text

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Experimental set-up of SnSe2 PQS SFD laser. 1, SFD crystal; 2, SnSe2 SA; 3, output mirror; 4, filter; 5, beam splitter; 6, power meter; 7, oscilloscope.

Fig. 1. Experimental set-up of

{SnSe}_{2}

PQS SFD laser. 1, SFD crystal; 2,

{SnSe}_{2}

SA; 3, output mirror; 4, filter; 5, beam splitter; 6, power meter; 7, oscilloscope.

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a, The SnSe2-PVA dispersion solution. b, The SA with SnSe2-PVA thin film.

Fig. 2. a, The

{SnSe}_{2}

-PVA dispersion solution. b, The SA with

{SnSe}_{2}

-PVA thin film.

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Fig. 3. Transmission spectra of

{SnSe}_{2}

SA and blank quartz substrate.

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Fig. 4. Transmittance variation of

{SnSe}_{2}

SA with incident power intensity of 1064 nm.

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Fig. 5. PQS SFD laser characteristics of Nd:YCOB crystal with

{SnSe}_{2}

as SA. a, Output powers of cw and PQS lasers. b, Pulse width and repetition rate. c, Single pulse energy and peak power. d, Pulse train with a repetition rate of 17.6 kHz and single pulse waveform with a width of 91.9 ns.

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Fig. 6. PQS SFD laser characteristics of Nd:GdCOB crystal with

{SnSe}_{2}

as SA. a, Output powers of cw and PQS lasers. b, Pulse width and repetition rate. c, Single pulse energy and peak power. d, Pulse train with a repetition rate of 22.1 kHz and single pulse waveform with a width of 48.7 ns.

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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," Chin. Opt. Lett. 17, 061402 (2019)

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