Volume 46 Issue 2
Mar.  2017
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Article Navigation >  Infrared and Laser Engineering  > 2017  >  46(2): 205002-0205002(5)

Zhang Jian, Yu Yongji, Jiang Chengyao, Wang Zijian, Wang Bin, Chen Xinyu, Jin Guangyong. Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd: YVO4 laser[J]. Infrared and Laser Engineering, 2017, 46(2): 205002-0205002(5). doi: 10.3788/IRLA201746.0205002
Citation: Zhang Jian, Yu Yongji, Jiang Chengyao, Wang Zijian, Wang Bin, Chen Xinyu, Jin Guangyong. Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd: YVO4 laser[J]. Infrared and Laser Engineering, 2017, 46(2): 205002-0205002(5). doi: 10.3788/IRLA201746.0205002
shu

Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd: YVO4 laser

doi: 10.3788/IRLA201746.0205002
  • 1.

    Jilin Key Laboratory of Solid Laser Technology and Apply,School of Science,Changchun University of Science and Technology,Changchun 130022,China;

  • 2.

    No. 11 High School of Changchun,Changchun 130000,China

  • Received Date: 2016-06-04
  • Rev Recd Date: 2016-07-09
  • Publish Date: 2017-02-25
  • A laser diode(LD) end-pumped adhesive-free bond composite Nd:YVO4 Acousto Optical(AO) Q-switched and RTP Electro Optical(EO) Q-switched laser were reported at the same experimental condition. TEM00 operation of 1 064 nm laser were obtained at repetition rate of 500 kHz in AO Q-switched regime and 200 kHz in EO Q-switched regime. And it was the first time to compare the output performance of AO Q-switched operation and RTP EO Q-switched operation at high repetition rate. In EO Q-switched regime, the average output power reached to 12.13 W with the pulse-width of 16.65 ns. In AO Q-switched regime, the average output power reached to 13.56 W with the pulse-width of 27.27 ns. The experimental results show that RTP EO Q-switched operation has better performance of turn-off. However, due to limitation of high voltage driver, EO Q-switched is not able to achieve with shorter pulse width and higher peak power laser under higher repetition rate operation. The AO Q-switched operation that has better output characteristic at higher repetition rate, and it would be the preferred method to obtain Q-switched laser which the repetition rate is high as thousands of hundreds and even mega.
  • [1] Feng Yutong, Zhu Xiaolei, Tang Hao, et al. Characteristics of RbTiOPO4 electro-optic Q-Switch operation at high repetition rate[J]. Chinese J Lasers, 2010, 37(3):617-621. (in Chinese)冯宇彤, 朱小磊, 唐昊, 等. 磷酸钛氧铷高重复率电光调Q特性[J]. 中国激光, 2010, 37(3):617-621.
    [2] Zhang Haikun, Xi Daoming, Wang Jing, et al. Control of the pulse duration a diode-pumped doubly Q-Switched Nd:GdVO4 laser[J]. Acta Optica Sinica, 2010, 30(3):788-801. (in Chinese)张海鹍, 席道明, 王静, 等. 双调Q Nd:GdVO4激光器的脉宽控制[J]. 光学学报, 2010, 30(3):788-801.
    [3] Liu Liren. Laser communications in space optical link and terminal technology[J]. Chinese J Lasers, 2007, 34(1):3-20. (in Chinese)刘立人. 卫星激光通信I链路和终端技术[J]. 中国激光, 2007, 34(1):3-20.
    [4] Zhu Xiaolei, Tang Hao, Li Xiaoli, et al. Recent progresses of LD pumped solid state lasers with high repetition rate electro-optic Q-switch[J]. Chinese J Lasers, 2009, 36(7):1654-1659. (in Chinese)朱小磊, 唐昊, 李小莉, 等. 高重复频率电光调Q全固态激光器研究进展[J]. 中国激光, 2009, 36(7):1654-1659.
    [5] Zhou Jun, Xu Shizhong, Hou Xia, et al. A Q-Switched all-solid-state single-longitudinal-mode laser with adjustable pulse-width and high repetition rate[J]. Chin Phys Lett, 2006, 23(1):129.
    [6] Li Xudong. Research on 879 nm laser-diode end-pumped Nd:GdVO4 laser with high repetition rate and high brightness[D]. Harbin:Harbin Institute of Technology, 2010. (in Chinese)李旭东. 879 nm激光二极管端泵的高重频高亮度Nd:GdVO4激光器研究[D]. 哈尔滨:哈尔滨工业大学, 2010.
    [7] Wang Cheng. Research on laser-diode end-pumping high repetition rate electro-optical Q-Switchen Nd:GdVO4 laser[D]. Harbin:Harbin Institute of Technology, 2011. (in Chinese)王成. LD端面泵浦高重频电光调Q Nd:GdVO4激光器的研究[D]. 哈尔滨:哈尔滨工业大学, 2011.
    [8] Zhao Jia, Dong Lei, Zhuo Zhuang, et al. High-repetition-rate RTP electro-optic Q-switched Nd:YAG laser[J]. Infrared and Laser Engineering, 2008, 37(4):647-650. (in Chinese)赵佳, 董磊, 卓壮, 等. 高重复率RTP电光调Q Nd:YAG激光特性研究[J]. 红外与激光工程, 2008, 37(4):647-650.
    [9] Yan Xingpeng, Huang Lei, Liu Qiang, et al. 2 MHz AO-switched TEM00 grazing incidence laser with 3at.% Neodymium Doped Nd:YVO4[J]. IEEE Journal Quantum Electronics, 2008, 44(12):1164-1170.
    [10] Liu Rui, Yu Yongji, Chen Xinyu, et al. 150 kHz Q-switched adhesive-free bond composite Nd:YVO4/Nd:GdVO4 laser[J]. Chinese J Lasers, 2012, 39(6):0602001. (in Chinese)刘瑞, 于永吉, 陈薪羽, 等. 150 kHz生长型复合Nd:YVO4/Nd:GdVO4电光调Q激光器[J]. 中国激光, 2012, 39(6):0602001.
    [11] Yu Yongji, Chen Xinyu, Wang Chao, et al. A 200 kHz Q-switched adhesive-free bond composite Nd:YVO4 Laser using a double-crystal RTP electro-optic modulator[J]. Chinese Physics Letters, 2012, 29(2):024206.
    [12] Chang Y T, Huang Y P, Su K W, et al. Comparison of thermal lensing effects between single-end and double-end diffusion-bonded Nd:YVO4 crystals for 4F3/24I11/2 and 4F3/24I13/2 transitions[J]. Optics Express, 2008, 16(25):21155-21160.
    [13] Li X, Yu X, Gao J, et al. Laser operation of LD end-pumped grown-together Nd:YVO4/YVO4 composite crystal[J]. Laser Physics Letters, 2008, 5(6):429-432.
    [14] Goujon J, Musset O. Comparison between 2 different composite Nd3+:YVO4 crystals a fibre coupled diode pumped laser[C]//Advanced Solid-State Photonics, 2008:WB5.
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Experiment comparison of acousto-optical Q-switching and RTP electro-optical Q-switching of high repetition frequency Nd: YVO4 laser

doi: 10.3788/IRLA201746.0205002
  • 1. Jilin Key Laboratory of Solid Laser Technology and Apply,School of Science,Changchun University of Science and Technology,Changchun 130022,China;
  • 2. No. 11 High School of Changchun,Changchun 130000,China
  • Received Date: 2016-06-04
  • Rev Recd Date: 2016-07-09
  • Publish Date: 2017-02-25

Abstract: A laser diode(LD) end-pumped adhesive-free bond composite Nd:YVO4 Acousto Optical(AO) Q-switched and RTP Electro Optical(EO) Q-switched laser were reported at the same experimental condition. TEM00 operation of 1 064 nm laser were obtained at repetition rate of 500 kHz in AO Q-switched regime and 200 kHz in EO Q-switched regime. And it was the first time to compare the output performance of AO Q-switched operation and RTP EO Q-switched operation at high repetition rate. In EO Q-switched regime, the average output power reached to 12.13 W with the pulse-width of 16.65 ns. In AO Q-switched regime, the average output power reached to 13.56 W with the pulse-width of 27.27 ns. The experimental results show that RTP EO Q-switched operation has better performance of turn-off. However, due to limitation of high voltage driver, EO Q-switched is not able to achieve with shorter pulse width and higher peak power laser under higher repetition rate operation. The AO Q-switched operation that has better output characteristic at higher repetition rate, and it would be the preferred method to obtain Q-switched laser which the repetition rate is high as thousands of hundreds and even mega.

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