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《中国物理快报》2017,(6)
A high power Nd:YAG end-pumped slab amplifier chain with a Nd:YVO_4 innoslab laser as the master oscillator is demonstrated. A chain output power of 5210W with beam quality of 4 times the diffraction limit is achieved by double-passing the first amplifier stage and single-passing the second stage with an optical efficiency of 29% while working at a frequency of 1 kHz and pulse width of 200μs. 相似文献
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Guangyan Guo Ye Lang Weiran Lin Zhijun Kang Hongbo Zhang Zhongwei Fan 《Journal of Russian Laser Research》2017,38(2):199-203
We demonstrate a laser-diode-pumped Nd:YAG slab amplifier with dimensions of 7×35×138.2 mm. The fluorescence is homogeneously distributed in the Nd:YAG amplifier, and a stored energy of 3.2 J can be achieved at 1,500 W pump power. For a repetition frequency of 200 Hz, 25 μJ injection polarized seed light, and 1,500 W pump power, the small signal gain reaches 12.66. At the same repetition frequency, 0.4 mJ with 27 ns bandwidth of injected seed-light energy and a 6×26 mm aperture, the output energy reaches 1.071 J. The extraction efficiency is 33.46% after four-pass amplification. An energy amplification from millijoules to joules is realized for the injected laser beam. 相似文献
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激光二极管列阵泵浦的位相共轭板条YAG激光放大系统 总被引:1,自引:0,他引:1
采用新型的微通道冷却半导体激光二极管列阵泵浦YAG激光振荡器及板条YAG放大器,文中用CCl4受激布里渊散射作位相共轭镜,使激光在板条放大器中作多通放大,获得了高重复率下小于1.5倍衍射极限的高质量1.06μm的激光输出,其脉冲宽度为15ns,平均功率为180W。 相似文献
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A Diode-Stack End-Pumped Electro-Optically Q-Switched Nd:YAG Slab Oscillator--Amplifier System 下载免费PDF全文
A laser diode-stack end-pumped electro-optically Q-switched Nd:YAG slab oscillator-amplifier system with neardiffraction-limited output is demonstrated by a stable-unstable hybrid resonator. The average power of 100 W at a repetition rate of lOkHz with a pulse width 14.7ns and average power of 76.3 W at a repetition rate of 5kHz with a pulse width of 10.2ns are measured. At the repetition rate of 10 kHz and at an output power of 89 W, the beam quality factors M^2 in the unstable and stable directions are 1.3 and 1.5, respectively. 相似文献
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报道了一种实现高能量输出的激光二极管(LD)泵浦无水冷全固态Nd:YAG双程放大器结构。整个放大系统采用了泵浦与晶体棒集成的模块以及半导体制冷器(TEC),从而实现了激光系统的小型化。总腔长为730 mm。在10 Hz重复频率下,主振荡器得到了最大脉冲能量为350 mJ的激光输出。脉宽为9.7 ns,光束质量M2在两个方向分别为7.7和12.3。并进行了双程放大的研究,双程放大后得到了740 mJ、10 ns的激光输出。 相似文献
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Radially polarized light in a 2.1 kW, good quality beam was obtained from a Nd:YAG rod-based master oscillator power amplifier. Several techniques were utilized: a pure radially polarized oscillator, efficient pump chambers, external compensation of lower-order aberrations, and higher-order aberration compensation by pairing of pump chambers. 相似文献
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We present a simple and compact design for an all-solid-state laser amplifier system which can output 9.43-kHz 630-ps, 3.5-W pulse trains under 20 W absorbed pumping power. The excellent matching between the repetition of its seed source and the fluorescence lifetime of the amplifying medium makes it quiet efficient for the four-pass amplifier to be pumped in cw mode without need of any synchronization device between the oscillator and the amplifier. The entire setup just covers an area of 55 × 25 cm^2. The output average power fluctuation is less than ±1.5% within 10min and 3% within 6h. 相似文献
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ZHOU Fuzheng CHEN Youming HU Wentao LI Zhishen SHENLiqong CHEN Qiushui FAN Dianyuan WANG Zhijiang 《Chinese Journal of Lasers》1994,3(1):27-28
110KilowattQ-SwitchedPulseDiodePumpedNd:YAGSlabLaser¥ZHOUFuzheng;CHENYouming;HUWentao;LIZhishen;SHENLiqong;CHENQiushui;FANDia... 相似文献
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高光学质量,高平均功率非稳腔Nd:YAG激光器 总被引:1,自引:0,他引:1
在分析含热透镜的非稳腔固体激光器普遍特性的基础上,分别定义了几何放大率和输出曲率半径的热敏感度,结合腔镜失调敏感度而成为设计该类谐振腔的重要依据,据此,进一步改善和发展的新型的棒成像非稳腔。 相似文献
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A three-rod series resonator cw Nd:YAG laser suitable for the industrial applications is presented. The symmetrical resonator laser has been developed and is rated at 1820-W output power with beam parameter product 24 mm.mrad. By utilizing the symmetrical resonator design, the characteristic of beam with multi-rod is not obviously decreased compared with that of a single one. The system total electro-optics efficiency of lamp pumped YAG crystal is as high as 4.0%. The main factors, which affect output power and beam quality of high power solid-state laser module, are theoretically analysed. 相似文献
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本文提出并设计了适用于高功率固体激光器的新型谐振腔.使用腔内衍射滤波器以实现激光束高的光束质量,其衍射损耗作为耦合输出.实验上,获得了近衍射极限的100W量级激光输出. 相似文献
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D. Golla S. Knoke W. Schöne A. Tünnermann H. Schmidt 《Applied physics. B, Lasers and optics》1994,58(5):389-392
We report on a diode-laser-pumped cw Nd: YAG laser operating at a power level of 150 W. By using a transverse pump geometry, the radiation of 54 diode lasers with an output power of 10 W each is coupled into a Nd:YAG rod. In multimode operation, an optical slope efficiency of 32% and an optical to optical efficiency of 29% are obtained. In TEM00 operation, an output power of more than 30 W is realized with an optical to optical efficiency of 10%. 相似文献