ULTRAVIOLET

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Dispersion effects on performance of free-electron laser based on laser wakefield accelerator被引量：1
《High Power Laser Science and Engineering》2018年第4期125-132,共8页Ke Feng Changhai Yu Jiansheng Liu Wentao Wang Zhijun Zhang Rong Qi Ming Fang Jiaqi Liu Zhiyong Qin Ying Wu Yu Chen Lintong Ke Cheng Wang Ruxin Li 
funded by the National Natural Science Foundation of China(Nos.11127901,11425418,61521093,and 11505263);the Shanghai Sailing Program(No.18YF1426000);the Strategic Priority Research Program(B)(No.XDB16);the Youth Innovation Promotion Association CAS and the State Key Laboratory Program of the Chinese Ministry of Science and Technology
In this study, we investigate a new simple scheme using a planar undulator(PU) together with a properly dispersed electron beam(e beam) with a large energy spread(～1%) to enhance the free-electron laser(FEL) gain. Fo...
关键词：free-electron LASERS X-rays SOFT X-rays EXTREME ULTRAVIOLET 
Ultraviolet Sensitive Ultrafast Photovoltaic Effect in Tilted KTaO3 Single Crystals
《Chinese Physics Letters》2010年第2期250-252,共3页邢杰 郭尔佳 金奎娟 吕惠宾 何萌 温娟 杨芳 
Supported by the National Natural Science Foundation of China under Grant No 50672120, and the National Basic Research Program of China under Grant No 2007CB307005.
An ultraviolet sensitive ultrafast photovoltaic effect is observed in tilted 10° KTaO3 （KT） single crystals. The rise time of the transient photovoltaic pulse is 497.4 ps and the full width at half maximum is 974.6...
关键词：Electronics and devices Condensed matter: electrical magnetic and optical Optics quantum optics and lasers 
Plasma channel formed by ultraviolet laser pulses at 193 nm in air
《Chinese Optics Letters》2009年第9期865-868,共4页马媛媛 鲁欣 奚婷婷 龚旗煌 张杰 
supported by the National Natural Science Foundation of China(Nos.60621063,10634020,10734130,and 10521002);the National "973" Program of China(Nos.2007CB815101 and 2006CB806007).
The propagation of picosecond deep ultraviolet laser pulse at wavelength of 193 nm in air is numerically investigated. Long plasma channel can be formed due to the competition between Kerr self-focusing and ionization...
关键词：Absorption Carrier concentration Electron density measurement ELECTRONS Laser pulses LASERS PLASMAS 
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