Volume 47 Issue 6
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Fan Haoran, Yu Yongji, Zhu He, Xing Shuang, Wang Yuheng, Jin Guangyong. 500 kHz A-O Q-switched Nd:YVO4 laser pumped by dual-end wave-locked 878.6 nm laser diode[J]. Infrared and Laser Engineering, 2018, 47(6): 606001-0606001(7). doi: 10.3788/IRLA201847.0606001
Citation: Fan Haoran, Yu Yongji, Zhu He, Xing Shuang, Wang Yuheng, Jin Guangyong. 500 kHz A-O Q-switched Nd:YVO4 laser pumped by dual-end wave-locked 878.6 nm laser diode[J]. Infrared and Laser Engineering, 2018, 47(6): 606001-0606001(7). doi: 10.3788/IRLA201847.0606001
shu

500 kHz A-O Q-switched Nd:YVO4 laser pumped by dual-end wave-locked 878.6 nm laser diode

doi: 10.3788/IRLA201847.0606001
  • 1.

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

  • 2.

    Changchun High-tech Industry Development Zone Management Committee,Changchun 130012,China

  • Received Date: 2018-01-05
  • Rev Recd Date: 2018-02-03
  • Publish Date: 2018-06-25
  • A dual-end-pumped acousto-optics Q-switched Nd:YVO4 laser pumped by a wave-locked 878.6 nm laser diode can stable work at a repetition of 500 kHz at 1 064 nm. At the repetition frequency of 100 kHz, an output power of 18.2 W at 1 064 nm for an absorbed pump power of 58 W,corresponding to an optical to optical efficiency of 31.3%,the pulse width was 15.2 ns. At the repetition frequency of 500 kHz, an output power of 26.1 W at 1 064 nm for an absorbed pump power of 58 W, corresponding to an optical to optical efficiency of 45%, the pulse width was 44.2 ns, the stable working range extended from 100 to 500 kHz, and the beam quality was significantly improved compared with the traditional mode, and the transfer efficiency was also improved. The experiment shows that taking advantage of direct pumping by wave-locked 878.6 nm laser diode is helpful to reduce the heat effect of crystals, improve beam quality and optical to optical efficiency, and get more narrow pulse width laser output, and it has excellent temperature in a certain range.
  • [1] Zhu Xiaolei, Tang Hao, Li Xiaoli, et al. Recent progresses of LD pumped solid state lasers with high repetition rate electro-oOptic 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.
    [2] Li Bin, Ding Xin, Sun Bing, et al. A 28.2 W wave-locked 878.6 nm diode-laser-pumped multi-segmented Nd:YVO4 laser operating at 1064 nm[J]. Acta Phys Sin, 2014, 63(21):152-156. (in Chinese)李斌, 丁欣, 孙冰, 等. 28.2 W波长锁定878.6 nm激光二极管共振抽运双晶体1064 nm激光器[J]. 物理学报, 2014, 63(21):152-156.
    [3] Zhang Jian, Yu Yongji, Jiang Chengrao, et al. 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):0205002. (in Chinese)张健, 于永吉, 姜承尧, 等. 高重频Nd:YVO4声光调Q与RTP电光调Q激光器实验对比分析[J]. 红外与激光工程, 2017, 46(2):0205002.
    [4] Liu Q X. Analysis on thermal effect of laser-diode array end-pumped composite rod laser by finite element method[J]. Physics, 2010, 59(12):8535-8541.
    [5] Liu J, Wang Z, Li H, et al. Stable, 12 W, continuous-wave single-frequency Nd:YVO4 green laser polarized and dual-end pumped at 880 nm[J]. Optics Express, 2011, 19(7):6777-6782.
    [6] Wang Bin, Sun Hongtao, Yu Yongji, et al. High power acousto-optic Q-switched master oscillator power amplifier[J]. Infrared and Laser Engineering, 2016, 45(12):1205003. (in Chinese)王彬, 孙洪涛, 于永吉, 等. 高功率声光调Q主振荡功率放大器[J]. 红外与激光工程, 2016, 45(12):1205003.
    [7] Ding Xin, Yin Sujia, Shi Chunpeng, et al. High efficiency 1342 nm Nd:YVO4 laser in-band pumped at 914 nm[J]. Opt Express, 2011, 19(15):14315-14320.
    [8] Lin H, Li J, Liang X. 105 W, 10 ps, TEM(00) laser output based on an in-band pumped Nd:YVO4 innoslab amplifier[J]. Optics Letters, 2012, 37(13):2634.
    [9] Dlen X, Balembois F, Musset O, et al. Characteristics of laser operation at 1064 nm in Nd:YVO4 under diode pumping at 808 and 914 nm[J]. Journal of the Optical Society of America B, 2011, 28(1):52.
    [10] Yan X, Liu Q, Fu X, et al. High repetition rate dual-rod acousto-optics Q-switched composite Nd:YVO4 laser[J]. Optics Express, 2009, 17(24):21956.
    [11] Hong H, Huang L, Liu Q, et al. Compact high-power, TEM(00) acousto-optics Q-switched Nd:YVO4 oscillator pumped at 888 nm[J]. Applied Optics, 2012, 51(3):323.
    [12] Liu Q, Nie M, Lu F, et al. High-power, wavelength-locked 878.6 nm in-band pumped, acoustic-optically Q-Switched Nd:YVO4 MOPA laser with TEM00 mode[J]. IEEE Photonics Journal, 2016, 8(4):1-9.
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500 kHz A-O Q-switched Nd:YVO4 laser pumped by dual-end wave-locked 878.6 nm laser diode

doi: 10.3788/IRLA201847.0606001
  • 1. Jilin Key Laboratory of Solid Laser Technology and Application,School of Science,Changchun University of Science and Technology,Changchun 130022,China;
  • 2. Changchun High-tech Industry Development Zone Management Committee,Changchun 130012,China
  • Received Date: 2018-01-05
  • Rev Recd Date: 2018-02-03
  • Publish Date: 2018-06-25

Abstract: A dual-end-pumped acousto-optics Q-switched Nd:YVO4 laser pumped by a wave-locked 878.6 nm laser diode can stable work at a repetition of 500 kHz at 1 064 nm. At the repetition frequency of 100 kHz, an output power of 18.2 W at 1 064 nm for an absorbed pump power of 58 W,corresponding to an optical to optical efficiency of 31.3%,the pulse width was 15.2 ns. At the repetition frequency of 500 kHz, an output power of 26.1 W at 1 064 nm for an absorbed pump power of 58 W, corresponding to an optical to optical efficiency of 45%, the pulse width was 44.2 ns, the stable working range extended from 100 to 500 kHz, and the beam quality was significantly improved compared with the traditional mode, and the transfer efficiency was also improved. The experiment shows that taking advantage of direct pumping by wave-locked 878.6 nm laser diode is helpful to reduce the heat effect of crystals, improve beam quality and optical to optical efficiency, and get more narrow pulse width laser output, and it has excellent temperature in a certain range.

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