LI Ju-fen, YI Xue-bin. Experimental research on Cr4+∶YAG passively Q-switched solid state laser based on thermal bonding[J]. Journal of Applied Optics, 2010, 31(1): 147-150.
Citation: LI Ju-fen, YI Xue-bin. Experimental research on Cr4+∶YAG passively Q-switched solid state laser based on thermal bonding[J]. Journal of Applied Optics, 2010, 31(1): 147-150.
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Experimental research on Cr4+∶YAG passively Q-switched solid state laser based on thermal bonding

  • 1.

    School of Science,Southwest Petroleum University,Chengdu 610500,China;

  • 2.

    Southwest Institute of Technical Physics,Chengdu 610041,China

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    • Abstract
  • In order to obtain integrative ns-pulsed solid-state laser, a Cr4+∶YAG passively Q-switched laser was designed, which combined Cr4+∶YAG with Nd∶YAG by the aid of thermal bonding, and whose F-P laser cavity was composed by coating films on its both sides. The quasi-continuous laser pulse output was realized in the experiment by directly pumping the crystal from its end by the fiber coupled laser diode. The pulse width (5.3ns) was obtained by the p6703A photo-detector. A radiator was designed to eliminate the thermal lens effect existing in the experiment. The contrast of the air blowing and the radiator was implemented. The experiments approves that the design is feasible and the laser works well.
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    • References (1)
  • ［1］DEGNAN J J. Optimization of passively Q-switch-edlasers［J］. IEEE J.Quantum Electron, 1995,31(11):1890-1901.［2］ZAYHOWSKIJ J, DILL ⅠC. Diode-pumped-pa-ssively Q-switched picosecond microchiplasers［J］.Opt. Lett., 1994,19(18):1427-1429.
    ［3］ZAYHOWSKI J J, KELLEY P L. Optimization of Q-switched lasers［J］. IEEE Transactions，1991,27(9):2220-2225.
    ［4］王为宇,巩马理,刘兴占.被动调Q激光器的稳定性增益预泵浦技术［J］.激光与红外，2000,30(2):74-77.
    WANG Wei-yu,GONG Ma-li, LIU Xing-zhan.Stability of passively Q-switched solid-state lasers and pre-pumping mechanism［J］. Laser & Infrared,2000,30(2):74-77.(in Chinese with an English abstract)
    ［5］巩马理,翟刚,时顺森.Cr4+∶YAG可饱和吸收特性测量［J］.光学学报，1998,18(1):124-127.
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    ［6］张行愚,赵圣之,王青圃. Cr4+∶YAG调Q特性的理论和实验研究［J］.光学学报,1998,18(9):1180-1185.
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    YANG Yu-bing, CAI De-fang,WANG Shi-yu, et al. Experimental study on output characteristics of passively Q-switched laser［J］.Journal Applied Optics, 2006,27(1):46-50.(in Chinese with an English abstract)
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    LU Jing-shu, YAN Ping, GONG Ma-li.Thermal bonding and its application in laser system［J］. Optical Technique, 2002,28(4):355-359.(in Chinese with an English abstract)
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