用于355nm紫外光源的腔外倍频全固态激光器
All-solid-state extracavity double-frequency laser for 355 nm UV source
查看参考文献21篇
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文摘
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为保证高输出功率前提下获得高光束质量的1064和532 nm激光共向输出,实验中,首先采用主振荡功率放大器系统有效地控制基频光束质量,获得平均功率为70 W,重复频率为10 kHz,脉宽为60 ns和光束质量因子M2约为3.9的1064 nm基频激光;接着利用二级放大器,获得平均功率为182.9 W,脉宽为80 ns的1064nm激光.然后,采用KTP晶体腔外倍频技术保证了基频和倍频激光同时,共向输出,最终获得了平均功率为65.7 W,脉宽约为60 ns的532 nm绿光,相应的倍频效率为35.9%.通过有效措施,绿光的光束质量因子M2约控制在6,为开展355 nm紫外激光研究奠定了良好的基础 |
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其他语种文摘
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The purpose of this study is to ensure high output power and high beam quality of 1 064 nm and 532 nm laser collinear output. Firstly, the beam quality of 1 064 nm laser fundamental frequency was effectively controlled by using a master oscillator and power amplifier(MOPA),to achieve maximum average power of 70 W, repetition rate of 10 kHz, pulse width of 60 ns, and beam quality factor M2 of 3.9. Then using two power amplifiers,a 1 064 nm beam with average output power of 182.9 W and pulse width of 80 ns was generated. Finally,by extra-cavity double-frequency generation with a KTP crystal, which ensures that fundamental laser and double-frequency laser are isochronous and collinear,a green laser at 532 nm with average power of 65.7 W and pulse width of about 60 ns was obtained. The corresponding frequency-doubling efficiency is 35.9%, and green beam quality M2 is controlled at 6 |
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来源
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光电子·激光
,2011,22(2):185-188 【核心库】
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关键词
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激光器
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腔外倍频
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光束质量
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355nm
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地址
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北京工商大学机械工程学院, 北京, 100048
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1005-0086 |
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学科
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电子技术、通信技术 |
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基金
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国家自然科学基金资助项目
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北京市教委科技发展计划项目
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中国博士后科学基金
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北京市属高等学校人才强教计划项目
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文献收藏号
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CSCD:4146686
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