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脉冲染料激光的线宽压缩与测量
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作者 张乔枫 谢锦林 +3 位作者 范费 桑龙龙 丁卫星 陆全明 《中国激光》 EI CAS CSCD 北大核心 2019年第4期136-141,共6页
设计并自制了一种平行平面腔法布里-珀罗干涉仪,将脉冲染料激光器的输出线宽由4 GHz压缩至340 MHz。采用法布里-珀罗标准具拍照法对激光线型进行实时监测,实现了脉冲激光线型的同步扫描;配合碘吸收谱测量,搭建了经线宽压缩的脉冲染料激... 设计并自制了一种平行平面腔法布里-珀罗干涉仪,将脉冲染料激光器的输出线宽由4 GHz压缩至340 MHz。采用法布里-珀罗标准具拍照法对激光线型进行实时监测,实现了脉冲激光线型的同步扫描;配合碘吸收谱测量,搭建了经线宽压缩的脉冲染料激光的100 MHz量级的精细波长调谐及标定系统。将该激光系统用于氧化物阴极放电氩等离子体的激光诱导荧光诊断中,验证了线宽压缩系统的可行性,离子速度分布函数的速度分辨率可达200 m/s。 展开更多
关键词 测量 脉冲染料激光器 法布里-珀罗干涉仪 压缩线宽 波长调谐
Electron Magnetohydrodynamics Magnetic Reconnection Experiment on Keda Linear Magnetized Plasma Device
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作者 范费 谢锦林 +2 位作者 张乔枫 桑龙龙 丁卫星 《中国物理快报:英文版》 SCIE CAS CSCD 2019年第1期40-43,共4页
We conduct an electron magnetohydrodynamics magnetic reconneetion experiment with guide-field in our Keda linear magnetized plasma device,in which two pulsed currents with the same direction are conducted in parallel ... We conduct an electron magnetohydrodynamics magnetic reconneetion experiment with guide-field in our Keda linear magnetized plasma device,in which two pulsed currents with the same direction are conducted in parallel with the axial direction of the main chamber of the device using two long aluminum sticks.After approximately 5μs,an X-type magnetic field line topology is formed at the center of the chamber.With the formation of the X-type topology of magnetic field lines,we can also find the rapid increase of the current and ratio of the common flux to the private flux in this area.Additionally,a reduction in the plasma density and the plasma density concentration along one pair of separatrices can also be found. 展开更多
关键词 ELECTRON MAGNETOHYDRODYNAMICS Magnetic RECONNECTION EXPERIMENT Keda LINEAR Magnetized Plasma DEVICE
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