共查询到16条相似文献,搜索用时 68 毫秒
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报道了采用不等长电极结构的射频激励双通道波导CO2激光器,通过调节射频电源功率的方法可以调谐双通道输出激光的外差频率,其调谐率约为0.1MHz/W。在未采取任何措施时,其短期外差频率稳定性可达10^-10。还在理论上分析了射频功率调谐外差频率的原理。 相似文献
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射频激励扩散型冷却层叠式板条波导千瓦CO2激光器 总被引:3,自引:0,他引:3
提出了一种射频激励扩散型冷却层叠式板条波导CO2激光器结构,利用这种结构,从电极长度为500mm的激光器件中警告了1020W输出,其光电效率为10%。 相似文献
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本文从速率方程出发,讨论了单模激光的稳态解及其解的稳定性问题.在此基础上,着重分析了腔长的小讯号调制效率以及它对“B类”激光器的动力学研究的意义,并报道了一个在单模CO_2激光器上所做的腔长调制效应的实验结果. 相似文献
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CO2激光器的腔长调制及动力学参数的测定 总被引:1,自引:1,他引:0
采用含有振转能级在内的多能级理论模型,对CO_2激光器动力学参量进行调制,取得实验与理论一致的满意结果.利用理论与实验曲线拟合的方法,较精确地测出该激光器的动力学参数. 相似文献
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本文从实验上研究了固定谱线CO_2激光器的双频输出特性,并对其产生双频输出的原因作了初步分析;利用该激光器,成功地进行了三频外差测量研究。 相似文献
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In this paper a waveguide CO2 laser with two unequal long channels excited by radio frequency (RF) is presented. The volume is 2.25×2.25×400 mm3 for the long channel and 2.25×2.25×200 mm3 for the short waveguide channel. Laser output power is about 8 W for the long channel and about 3.5 W for the short one. 相似文献
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TIAN Zhaoshuo WANG Qi WAN Yusan LIU Fengmei 《Chinese Journal of Lasers》1999,8(6):481-484
1 Introduction TheRFexcitedwaveguideCO2lasershavebeendevelopedforabouttwodecadesandmadeagreatprogress.ThisisduetothefactthatRFdischargehasseveraladvantagesoverdcdischarge[1,2],suchasgreaterstabilityathigherpowerloadings,loweroperatingvoltages,longl… 相似文献
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RF excited CO2 waveguide laser arrays with three different structures (one-dimension and two-dimension) are reported in this paper. The output character of far-field and near-field of those lasers have studies and the phase locking between the waveguide elements has discussed. The cavity length of waveguide laser array is 380 mm and the resonator is formed by placing a plane germanium coated gold mirror and a plane ZnSe output coupler. The laser is operated with filling static gas of He∶N2∶CO2∶Xe=3∶1∶1∶0.1 mixture at 1.06×104 Pa total pressure. High output power density is achieved and the output power is 30-w with an efficiency η=10%. The output power is limited by the maximum power of RF transmitter. 相似文献
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CHEN Yuqing ZHU Jun WANG Jinghuan MA Yangwu 《Chinese Journal of Lasers》1999,8(4):299-302
Introduction TheRFexcitedtechniquetoCO2waveguidelaserhasbeenrapidlyimproved.ManynewstructureshasappearedsinceK.D.Laakman[1]madefirstlyouttransverseexcitedwaveguideCO2laserfirstin1977,suchascoherentphaselocked1×2arrayCO2waveguidelasergivenbyD.G.Youm… 相似文献
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HUANG Yuangqing 《Chinese Journal of Lasers》1998,7(1):11-16
StudyofaWaveguideCO2LaserwithTwoParalelTubesHUANGYuangqing(Dept.ofSci.Instr.andPrecisionMech.ofXiamenUniv.,Xiamen,361005,Chin... 相似文献