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nd yag oscillator
相关语句
  nd∶yag振荡器
     Optical resonant reflector (RR), as a coupled-output mirror of Nd∶YAG oscillator, has very strong ability for selecting longitudinal mode. Three-plan RR has more regular structure of modulated reflecting-spectrum.
     光学共振反射器作为Nd∶YAG振荡器的耦合输出腔镜,具有很强的选纵模能力,三面共振反射器具有规则的反射峰调制结构。
短句来源
  “nd ∶ yag oscillator”译为未确定词的双语例句
     There is an application requirement for Q switched solid state laser systems with high average power,which can be achieved with a Nd∶YAG oscillator amplifier system.
     高平均功率Q开关固体激光器具有较多的应用需求 ,Nd∶YAG激光器只有采用振荡 放大结构才能获得Q开关高平均功率激光输出。
短句来源
  相似匹配句对
     NdYAG Laser with PCM
     带相位共轭镜的Nd∶YAG激光系统
短句来源
     NdYLF Laser Amplifier
     Nd∶YLF激光放大器实验研究
短句来源
     Medical NdYAG Laser Program
     Nd∶YAG激光手术刀控制程序的设计
短句来源
     Polarized Spectral Characteristics of NdYAP
     Nd∶YAP的偏振光谱性质的研究
短句来源
     NdYAG laser treatment of perennial rhinitis
     常年性鼻炎Nd∶YAG激光治疗观察
短句来源
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The laser system in our experiments consists of a Nd:YAG oscillator and three Nd:glass amplifiers with diffraction-limited output beams. Crystals for frequency doubling are KDP and KD*P. When unfocused collimated laser beams were used in frequency doubling, a maximum energy, conversion efficiency of 65% has been obtained,the corresponding peak power conversion efficiency was about 84%. In the case of low laser power, by means of cylindrical focusing laser beams, energy conversion efficiencies...

The laser system in our experiments consists of a Nd:YAG oscillator and three Nd:glass amplifiers with diffraction-limited output beams. Crystals for frequency doubling are KDP and KD*P. When unfocused collimated laser beams were used in frequency doubling, a maximum energy, conversion efficiency of 65% has been obtained,the corresponding peak power conversion efficiency was about 84%. In the case of low laser power, by means of cylindrical focusing laser beams, energy conversion efficiencies were increased by a factor of 8 to 30 with a maximum conversion efficiency of 64%.

实验所用激光系统由掺钕石榴石激光振荡器和三级钕玻璃放大器组成,输出光束达衍射极限.倍频晶体为KDP和KDP.用非聚焦的平行激光束倍频,最高获得了65%的能量转换效率.相应的峰值功率转换效率为84%左右.在低功率下.利用圆柱面透镜将激光束聚焦的办法使能量转换效率提高了8到30倍.用此方法最高能量转换效率达到了64%.

In this paper a way of generating high efficiency and diffraction-limited dye laser beam is proposed. In this dye laser, Rhodamine 6G solution in alcohol is pumped by counterpropagating pumping beams in four-wave mixing. The 5320A laser radiation from second harmonic of the output of a Nd:laser system consisting of a Q-switched Nd: YAG oscillator and Nd:glass amplifiers is used as the pumping source. The Rhodamino 6G solution is used as both the active medium of the dye laser and...

In this paper a way of generating high efficiency and diffraction-limited dye laser beam is proposed. In this dye laser, Rhodamine 6G solution in alcohol is pumped by counterpropagating pumping beams in four-wave mixing. The 5320A laser radiation from second harmonic of the output of a Nd:laser system consisting of a Q-switched Nd: YAG oscillator and Nd:glass amplifiers is used as the pumping source. The Rhodamino 6G solution is used as both the active medium of the dye laser and the nonlinear medium for four-wave mixing. The concentration of the Rhodamine 6G solution in alcohol ia about 5×10-5 mole. Using pumping intensity of about 5×106 W/cm2, the energy conversion efficiency of the pumping beam to dye laser beam is about 50%, and the beam divergence of the laser output is near diffraction-limited. The good quality of the output beam of the new type dye laser is analysed theoretically.

本文提出采用共振增强四波混频的相反传播的泵浦光束泵浦若丹明6G酒精溶液,获得高效率衍射极限输出激光束的方法。使用KDP晶体调QNd:YAG振荡器和Nd:玻璃放大器激光系统,经KDP晶体倍频的5320埃激光作为泵浦光。浓度为5×10~(-5)克分子的若丹明6G酒精溶液作为染料激光器的激活介质,它同时作为四波混频的非线性介质。当泵浦功率密度为5×10~6瓦/厘米~2时,得到转换效率达50%以上,光束发散角为衍射极限。本文对这种新型染料激光器的高质量输出特性作了理论分析。

A DC high brigytness laser driven by photoemissive electron gun is being developed at Peking University,in order to produce 50~100ps electron bunches of high quality.The gun consists of a photocathode preparation chamber and a DC acceleration cavity.Different ways of fabricating photocathode,such as chemical vapor deposition,ion beam implantation and ion beam enhanced deposition,can be adopted.The acceleration gap is designed with the aid of simulation codes EGUN and POISSON,100kV DC high voltage is fed to the...

A DC high brigytness laser driven by photoemissive electron gun is being developed at Peking University,in order to produce 50~100ps electron bunches of high quality.The gun consists of a photocathode preparation chamber and a DC acceleration cavity.Different ways of fabricating photocathode,such as chemical vapor deposition,ion beam implantation and ion beam enhanced deposition,can be adopted.The acceleration gap is designed with the aid of simulation codes EGUN and POISSON,100kV DC high voltage is fed to the anode through a careful designed ceramic insulator.The laser system is a modelocked Nd YAG oscillator proceeded by an amplifier at 10 Hz repetition rate,which can deliver three different wavelengh(1064/532/266nm).The combination of a superconducting cavity with the photocathode preparation chamber is discussed in this paper.

采用激光驱动光阴级和100kV直流加速间隙可产生宽度为50~100ps的高亮度脉冲电子束.该装置主要由光阴极制备室和直流加速间隙组成.可以用化学气相沉积、离子注入和离子束增强沉积等方法制备光阴极.通过用EGUN和POISSON程序模拟,给出了直流加速间隙的物理设计.光源采用一台主被动双锁的Nd:YAG激光器,可工作在1064、532和266nm三个波长,重复频率为10Hz.此外,也论述了光阴极制备室与超与腔结合的超导高亮度注入器的有关问题

 
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