典型文献
Investigations on beam quality improvement of an NCPM-KTA-based high energy optical parametric oscillator using an unstable resonator with a Gaussian reflectivity mirror[Invited]
文献摘要：
Beam quality improvements by a large margin for signal and idler beams of a high energy 100 Hz KTiOAsO4[KTA]non-critical phase matching[NCPM]optical parametric oscillator[OPO]were demonstrated using an unstable resonator configuration instead of a plane-parallel one.Theoretically,influences of cavity lengths and transmission of an output coupler on the OPO conversion efficiency for both were numerically simulated.For OPO based on an unstable resonator with a Gaussian reflec-tivity mirror,the maximum pulse energies at the signal[1.53 μm]and idler[3.47 μm]were about 75 mJ and 26 mJ,respectively.The corresponding beam quality factors of the signal were M2x=9.8 and M2y=9.9,and M2x=11.2 and M2y=11.5 for the idler.As a comparison,128 mJ of signal and 48 mJ of idler were obtained with the plane-parallel resonator,and the M2 factors of the signal were M2=39.8 and M2=38.4,and M2=32.1 and M2=31.4 for the idler.Compared with a plane-parallel cavity,over eight times and three times brightness improvements were realized for the signal and idler light,respectively.
文献关键词：
中图分类号：
作者姓名：
Jun Meng;Chen Li;Zhenhua Cong;Zhigang Zhao;Shang Wang;Gaoyou Liu;Zhaojun Liu
作者机构：
School of Information Science and Engineering,Shandong University,Qingdao 266237,China;Shandong Provincial Key Laboratory of Laser Technology and Application,Qingdao 266237,China;Key Laboratory of Laser&Infrared System[Shandong University],Ministry of Education,Qingdao 266237,China;Center for Optics Research and Engineering,Shandong University,Qingdao 266237,China
文献出处：
引用格式：
[1]Jun Meng;Chen Li;Zhenhua Cong;Zhigang Zhao;Shang Wang;Gaoyou Liu;Zhaojun Liu-.Investigations on beam quality improvement of an NCPM-KTA-based high energy optical parametric oscillator using an unstable resonator with a Gaussian reflectivity mirror[Invited])[J].中国光学快报（英文版）,2022(09):31-37
A类：
NCPM,KTiOAsO4
B类：
Investigations,quality,KTA,high,energy,optical,parametric,oscillator,using,unstable,resonator,Gaussian,reflectivity,mirror,Invited,Beam,improvements,by,large,margin,signal,idler,beams,critical,phase,matching,OPO,were,demonstrated,configuration,instead,plane,parallel,one,Theoretically,influences,cavity,lengths,transmission,output,coupler,conversion,efficiency,both,numerically,simulated,For,maximum,pulse,energies,about,mJ,respectively,corresponding,factors,M2x,M2y,comparison,obtained,Compared,over,eight,times,three,brightness,realized,light
AB值：
0.42716
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