光纤激光泵浦周期极化晶体双波段激光器

沈兆国, 董涛, 孟冬冬, 马俊岭, 唐刚锋, 羊毅

沈兆国, 董涛, 孟冬冬, 马俊岭, 唐刚锋, 羊毅. 光纤激光泵浦周期极化晶体双波段激光器[J]. 应用光学, 2015, 36(1): 126-129. DOI: 10.5768/JAO201536.0107002
引用本文: 沈兆国, 董涛, 孟冬冬, 马俊岭, 唐刚锋, 羊毅. 光纤激光泵浦周期极化晶体双波段激光器[J]. 应用光学, 2015, 36(1): 126-129. DOI: 10.5768/JAO201536.0107002
Shen Zhao-guo, Dong Tao, Meng Dong-dong, Ma Jun-ling, Tang Gang-feng, Yang Yi. Fiber laser pumped periodically poled crystal dual-band laser[J]. Journal of Applied Optics, 2015, 36(1): 126-129. DOI: 10.5768/JAO201536.0107002
Citation: Shen Zhao-guo, Dong Tao, Meng Dong-dong, Ma Jun-ling, Tang Gang-feng, Yang Yi. Fiber laser pumped periodically poled crystal dual-band laser[J]. Journal of Applied Optics, 2015, 36(1): 126-129. DOI: 10.5768/JAO201536.0107002

光纤激光泵浦周期极化晶体双波段激光器

详细信息
    作者简介:

    沈兆国(1981-),男,山东临沂人,工程师,硕士,主要从事激光技术及工程化应用研究。Email:shuiyuehun@qq.com

    通讯作者:

    沈兆国(1981-),男,山东临沂人,工程师,硕士,主要从事激光技术及工程化应用研究。Email:shuiyuehun@qq.com

  • 中图分类号: TN248

Fiber laser pumped periodically poled crystal dual-band laser

  • 摘要: 针对激光定向干扰系统要求对抗1 m ~3 m和3 m ~5 m 2种类型探测器,需要输出相应2种波段激光,通过高重频调Q技术和种子注入光放大技术,获得高功率高光束质量1.06 m光纤激光输出,外置起偏器获得2束激光输出,分别为泵浦周期极化钽酸锂和周期极化铌酸锂晶体,实现高功率1 m ~3 m 和3 m ~5 m激光输出。在电源输入电流60 A,调Q驱动频率50 kHz的条件下,获得最高功率7.5 W的2 m激光和4.2 W的3.9 m激光,频率转换效率为39.5%。实验结果表明:通过光纤激光器泵浦光参量振荡器,可获得高功率1 m ~3 m和3 m ~5 m双波段激光输出。
    Abstract: Aiming at the laser directed interference system ,which counteracts two kinds of detectors of 1 m~3 m and 3 m~5 m, needing two corresponding wavebands outputs,we used the high repetition rate driving Q-switched technology and the seed injection magnifying technology to acquire high-power good-quality 1.06 m fiber laser output, the exterior polarizer got two beams laser outputs, the periodically poled lithium tantalate (PPLT) and periodically poled lithium niobate (PPLN) crystals were pumped to get high-power 1 m~3 m and 3 m~5 m laser outputs. As the input current was 60A and the Q-switched frequency was 50 kHz ,the 2 m laser output was obtained with up to 7.5 W power as well as the 3.9 m laser with a 4.2 W max power, the conversion efficiency was 39.5%. Experiment results indicate that using the fiber laser pumped optical parametric oscillator(OPO), the high power 1~3 m and 3~5 m dual-band laser output can be got.
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出版历程
  • 收稿日期:  2014-06-03
  • 修回日期:  2014-11-02
  • 刊出日期:  2015-01-14

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