Volume 44 Issue 4
May  2015
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Article Navigation >  Infrared and Laser Engineering  > 2015  >  44(4): 1105-1109

Zhang Xin, Liu Yuan, He Yan, Yang Yan, Hou Xia, Chen Weibiao. Characteristics of eye-safe high repetition frequency narrow pulse width single mode all fiber laser[J]. Infrared and Laser Engineering, 2015, 44(4): 1105-1109.
Citation: Zhang Xin, Liu Yuan, He Yan, Yang Yan, Hou Xia, Chen Weibiao. Characteristics of eye-safe high repetition frequency narrow pulse width single mode all fiber laser[J]. Infrared and Laser Engineering, 2015, 44(4): 1105-1109.
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Characteristics of eye-safe high repetition frequency narrow pulse width single mode all fiber laser

  • 1.

    Key Laboratory of Space Laser Communication and Detection Technology,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;

  • 2.

    University of Chinese Academy of Sciences,Beijing 100049,China

  • Received Date: 2014-08-13
  • Rev Recd Date: 2014-09-20
  • Publish Date: 2015-04-25
  • An eye-safe, all fiber, single mode, fiber laser based on master oscillator power amplifier configuration was presented. The advantages and disadvantages were compared between using a directly modulated diode laser and an electro-optical modulated continuous-wave diode as seed laser in sub-Mega Hertz, nanosecond fiber amplifier. The main restriction of power scaling in nanosecond fiber laser was pulse split. 10 m core double cladding erbium ytterbium co-doped fiber was employed as gain fiber of power amplifier. The directly modulated seed laser was then amplified by only two stage amplifiers. Finally, a peak power of 1.02 kW with 4.07 ns pulse duration at 200 kHz pulse repetition frequency with single-mode output was obtained and it is applicable in three dimensional video imaging lidar system.
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    [2] Luo Yuan, He Yan, Hu Shanjiang, et al. Three-dimensional video imaging lidar system based on acousto-optic laser scanning[J]. Chinese Journal of Laser, 2014, 41(8): 0802005. (in Chinese) 罗远, 贺岩, 胡善江, 等. 基于声光扫描的三维视频激光雷达技术[J]. 中国激光, 2014, 41(8): 0802005.
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    [4] Lafontaine J de, Ulitsky A, Tripp J W, et al. LAPS: the development of a scanning lidar system with GNC for autonomous hazard avoidance and precision landing [C]//SPIE, 2004, 5418: 81-93.
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    [6] Yun Jian, Gao Cunxiao, Zhu Shaolan, et al. High-peak-power, single-mode, nanosecond pulsed, all-fiber laser for high resolution 3D imaging LIDAR system[J]. Chinese Optics Letters, 2012, 10: 121402-121402.
    [7] Zhou Cuiyun, Liu Yuan, Zhu Ren, et al. High-energy nanosecond all-fiber Yb-doped amplifier[J]. Chinese Optics Letters, 2013, 11: 081403.
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    [9] Lou Qihong, Du Songtao, Zhou Jun. Advanced fiber laser technology [J]. Infrared and Laser Engineering, 2008, 37(2): 1-7. (in Chinese) 楼祺洪, 杜松涛, 周军. 先进光纤激光技术[J]. 红外与激光工程, 2008, 37(2): 1-7.
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    [12] Swiderski J, Maciejewska M, Pichola W, et al. Eye-safe, pulsed, kW-peak power, high repetition rate, all-fiber MOPA source [C]//SPIE, 2012, 84331E: 1-7.
    [13]
    [14] Limpert J, S Hfer, A Liem, et al. 100-W average-power, high-energy nanosecond fiber amplifier [J]. Applied Physics B, 2002, 75(5): 477-479.
    [15]
    [16] Gao Cunxiao, Zhu Shaolan, Zhao Wei, et al. Eye-safe, high-energy, single-mode all-fiber laser with widely tunable repetition rate[J]. Chinese Optics Letters, 2009, 7(7): 611-613.
    [17] Tan Xuechun, Wu Zhichao, Ling Ming, et al. High power and high rate LiNbO_3 electro-optic modulator applied in communication field [J]. Infrared and Laser Engineering, 2007, 36(1): 436-439. (in Chinese) 谭雪春, 武志超, 凌铭, 等. 通信用高功率高速率 LiNbO_3 电光调制器[J]. 红外与激光工程, 2007, 36(1): 436-439
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    [19] Kuang Hongshen, Zhao Fangzhou, Gao Jing, et al. Experimental research on self-phase modulation of high power fiber laser [J]. Infrared and Laser Engineering, 2014, 43(9): 2849-2853. (in Chinese) 匡鸿深, 赵方舟, 高静, 等. 高功率光纤激光器中自相位调制的实验研究[J]. 红外与激光工程, 2014, 43(9): 2849-2853.
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Characteristics of eye-safe high repetition frequency narrow pulse width single mode all fiber laser

  • 1. Key Laboratory of Space Laser Communication and Detection Technology,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;
  • 2. University of Chinese Academy of Sciences,Beijing 100049,China
  • Received Date: 2014-08-13
  • Rev Recd Date: 2014-09-20
  • Publish Date: 2015-04-25

Abstract: An eye-safe, all fiber, single mode, fiber laser based on master oscillator power amplifier configuration was presented. The advantages and disadvantages were compared between using a directly modulated diode laser and an electro-optical modulated continuous-wave diode as seed laser in sub-Mega Hertz, nanosecond fiber amplifier. The main restriction of power scaling in nanosecond fiber laser was pulse split. 10 m core double cladding erbium ytterbium co-doped fiber was employed as gain fiber of power amplifier. The directly modulated seed laser was then amplified by only two stage amplifiers. Finally, a peak power of 1.02 kW with 4.07 ns pulse duration at 200 kHz pulse repetition frequency with single-mode output was obtained and it is applicable in three dimensional video imaging lidar system.

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