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Alternative TitleAll-solid-state extracavity double-frequency laser for 355 nm UV source
耿爱丛; 赵慈; 李宝河; 徐登辉; 李熊
Source Publication光电子.激光
Abstract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。
Other AbstractThe 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
Keyword激光器 腔外倍频 光束质量 355nm
Subject Area力学
Indexed ByCSCD
Funding Organization国家自然科学基金资助项目(61007021);北京市教委科技发展计划资助项目(KM200910011010);中国博士后科学基金资助项目(20080430563);北京市属高等学校人才强教计划资助项目(PHR201007122)
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Document Type期刊论文
Corresponding Author耿爱丛
Recommended Citation
GB/T 7714
耿爱丛,赵慈,李宝河,等. 用于355nm紫外光源的腔外倍频全固态激光器[J]. 光电子.激光,2011,22(2):185-188.
APA 耿爱丛,赵慈,李宝河,徐登辉,&李熊.(2011).用于355nm紫外光源的腔外倍频全固态激光器.光电子.激光,22(2),185-188.
MLA 耿爱丛,et al."用于355nm紫外光源的腔外倍频全固态激光器".光电子.激光 22.2(2011):185-188.
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