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YUAN Yi-jun. Research of actively-passively mode-locked Nd:YAG laser pumped by pulse xenon lamp[J]. LASER TECHNOLOGY, 2011, 35(3): 412-414,417. DOI: 10.3969/j.issn.1001-3806.2011.03.032
Citation: YUAN Yi-jun. Research of actively-passively mode-locked Nd:YAG laser pumped by pulse xenon lamp[J]. LASER TECHNOLOGY, 2011, 35(3): 412-414,417. DOI: 10.3969/j.issn.1001-3806.2011.03.032
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Research of actively-passively mode-locked Nd:YAG laser pumped by pulse xenon lamp

  • Physics Science and Engineering College, Yichun University, Yichun 336000, China

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  • Received Date: May 13, 2010
  • Revised Date: June 06, 2010
  • Published Date: May 24, 2011
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    • Abstract
  • In order to resolve the low output energy of active mode-locked laser and instability of passive mode-locked laser, Cr4+:YAG passive mode-locker and acousto-optic active mode-locker were used jointly for Nd:YAG laser mode-locking. The output characteristics of passively mode-locked by Cr4+:YAG only, actively mode-locked by acousto-optic mode-locker only and mode-locked by Cr4+:YAG and acousto-optic jointly were analyzed and compared through experiments. Results showed that the joint mode-locking method gave good resolution to the low output energy and stability, and the mode-lock amplitude and energy fluctuation were less than 5％, with the depth of mode locking of 100%, pulse width less than 450ps and output energy near 200mJ at 1064nm wavelength. Adding KTP crystal out of the cavity, the output conversion efficiency was about 41% at 532nm wavelength．The results show the possibility of actively-passively mode-locked technology and it is helpful for the development of mode-locking technology.
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    • References (9)
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