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1,634 results on '"Li, Ruxin"'

251. Cascaded Laser Wakefield Acceleration Scheme for Monoenergetic High-Energy Electron Beam Generation

Author

Liu, Jiansheng, primary, Wang, Wentao, additional, Lu, Haiyang, additional, Xia, Changquan, additional, Liu, Mingwei, additional, Cheng, Wang, additional, Deng, Aihua, additional, Li, Wentao, additional, Zhang, Hui, additional, Xu, Jiancai, additional, Liang, Xiaoyan, additional, Leng, Yuxin, additional, Lu, Xiaoming, additional, Wang, Cheng, additional, Wang, Jianzhou, additional, Shen, Baifei, additional, Nakajima, Kazuhisa, additional, Li, Ruxin, additional, and Xu, Zhizhan, additional

Published
2012
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255. Absolute measurement of roughness and lateral-correlation length of random surfaces by use of the simplified model of image-speckle contrast

Author

Cheng, Chuanfu, Liu, Chunxiang, Zhang, Ningyu, Jia, Tianqing, Li, Ruxin, and Xu, Zhizhan

Subjects
Imaging systems -- Measurement, Laser speckle -- Measurement, Astronomy, Physics
Abstract

We present a method of image-speckle contrast for the nonprecalibration measurement of the root-meansquare roughness and the lateral-correlation length of random surfaces with Gaussian correlation. We the simplified model of the speckle fields produced by the weak scattering object in the theoretical analysis. The explicit mathematical relation shows that the saturation value of the image-speckle contrast at a large aperture radius determines the roughness, while the variation of the contrast with the aperture radius determines the lateral-correlation length. In the experimental performance, we specially contrast is measured versus the radius of the aperture in the 4f system, and the roughness and the lateral-correlation length are extracted by fitting the theoretical result to the experimental data. Comparison the measurement with that by an atomic force microscope shows our method has a satisfying accuracy. OCIS codes: 120.6150, 120.6660, 110.1220.

Published
2002

256. Contributors

Author

Aeberhard, Urs, Babu, Vivek, Boix, Pablo P., Bruno, Annalisa, Chen, Weiqiang, Chen, Yimu, Cherepakhin, Artem, Chirvony, Vladimir S., Du, Juan, Du, Wenna, Gorji, Setatira, Kim, Gyu Min, Klein, Maciej, Kuchmizhak, Alexander, Leng, Yuxin, Li, Chun, Li, Mingjie, Li, Ruxin, Liang, Yin, Liu, Haoliang, Liu, Zhengzheng, Makarov, Sergey, Martínez-Pastor, Juan P., Matutano, Guillermo Muñoz, Molina-Sánchez, Alejandro, Öz, Senol, Pashaei-Adl, Hamid, Pfeifer, Lukas, Pushkarev, Anatoly, Resalati, Shahaboddin, Ripolles, Teresa S., Ruhstaller, Beat, Sánchez, Sandy, Shang, Qiuyu, Singh, Trilok, Soci, Cesare, Song, Jiepeng, Song, Qinghai, Suárez, Isaac, Tress, Wolfgang, Wang, Chenhao, Wang, Gang, Wang, Kaiyang, Wei, Qi, Xiao, Shumin, Xinfeng, Liu, Xing, Guichuan, Xu, Canchen, Zeder, Simon J., Zhang, Han, Zhang, Qing, Zhang, Shuai, Zhizhchenko, Alexey, and Zhu, Zhuoya

Published
2023
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258. Direct mapping of attosecond electron dynamics

Author

Zhou, Chuliang, primary, Bai, Yafeng, additional, Song, Liwei, additional, Zeng, Yushan, additional, Xu, Yi, additional, Zhang, Dongdong, additional, Lu, Xiaoming, additional, Leng, Yuxin, additional, Liu, Jiansheng, additional, Tian, Ye, additional, Li, Ruxin, additional, and Xu, Zhizhan, additional

Published
2020
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262. A specific gut microbiota and metabolomic profiles shifts related to antidiabetic action: The similar and complementary antidiabetic properties of type 3 resistant starch from Canna edulis and metformin

Author

Zhang, Chi, primary, Ma, Shuangshuang, additional, Wu, Jiahui, additional, Luo, Linglong, additional, Qiao, Sanyang, additional, Li, Ruxin, additional, Xu, Wenjuan, additional, Wang, Nan, additional, Zhao, Baosheng, additional, Wang, Xiao, additional, Zhang, Yuan, additional, and Wang, Xueyong, additional

Published
2020
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265. Laser-induced inner-shell excitations through direct electron re-collision versus indirect collision

Author

Deng, Yunpei, primary, Zeng, Zhinan, additional, Komm, Pavel, additional, Zheng, Yinghui, additional, Helml, Wolfram, additional, Xie, Xinhua, additional, Filus, Zoltan, additional, Dumergue, Mathieu, additional, Flender, Roland, additional, Kurucz, Máté, additional, Haizer, Ludovit, additional, Kiss, Balint, additional, Kahaly, Subhendu, additional, Li, Ruxin, additional, and Marcus, Gilad, additional

Published
2020
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267. Dispersion Management in 10-PW Laser Front End

Author

Liu, Xingyan, primary, Wang, Cheng, additional, Wang, Xinliang, additional, Lu, Xiaoming, additional, Bai, Peile, additional, Liu, Yanqi, additional, Li, Yanyan, additional, Liu, Keyang, additional, Yu, Lianghong, additional, Leng, Yuxin, additional, and Li, Ruxin, additional

Published
2020
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276. Femtosecond laser filament guided negative coronas

Author

Wang, Tie-Jun, primary, Zhang, Jianhao, additional, Zhu, Zhongbin, additional, Liu, Yaoxiang, additional, Chen, Na, additional, Guo, Hao, additional, Sun, Haiyi, additional, Leng, Yuxin, additional, Chin, See Leang, additional, and Li, Ruxin, additional

Published
2020
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282. The laser beamline in SULF facility

Author

Zhang, Zongxin, primary, Wu, Fenxiang, additional, Hu, Jiabing, additional, Yang, Xiaojun, additional, Gui, Jiayan, additional, Ji, Penghua, additional, Liu, Xingyan, additional, Wang, Cheng, additional, Liu, Yanqi, additional, Lu, Xiaoming, additional, Xu, Yi, additional, Leng, Yuxin, additional, Li, Ruxin, additional, and Xu, Zhizhan, additional

Published
2020
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284. Thermal Effect of High Energy Repetition Rate Nd∶Glass Laser

Author

Yang Sida, 杨思达, primary, Yin Dingjun, 印定军, additional, Gan Zebiao, 甘泽彪, additional, Chen Junchi, 陈俊驰, additional, Yao Bo, 姚波, additional, Long Yingbin, 龙应斌, additional, Peng Yujie, 彭宇杰, additional, Yu Lianghong, 於亮红, additional, Liang Xiaoyan, 梁晓燕, additional, Leng Yuxin, 冷雨欣, additional, and Li Ruxin, 李儒新, additional

Published
2020
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287. Timing Dissociative Ionization of H2 Using a Polarization-Skewed Femtosecond Laser Pulse

Author

Ji, Qinying, primary, Pan, Shengzhe, additional, He, Peilun, additional, Wang, Junping, additional, Lu, Peifen, additional, Li, Hui, additional, Gong, Xiaochun, additional, Lin, Kang, additional, Zhang, Wenbin, additional, Ma, Junyang, additional, Li, Hanxiao, additional, Duan, Chungang, additional, Liu, Peng, additional, Bai, Ya, additional, Li, Ruxin, additional, He, Feng, additional, and Wu, Jian, additional

Published
2019
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291. Effect of pulse duration on generation of attosecond pulse with coherent wake emission Project supported by the National Natural Science Foundation of China (Grant Nos. 91950203, 11874374, and 61690223) and the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB16)

Author

Chen, Siyu, 陈, 思宇, Zeng, Zhinan, 曾, ĺż—ç"·, Li, Ruxin, and 李, ĺ„'ć–°

Subjects
ATTOSECOND pulses, LASER pulses, GRANTS (Money)
Abstract

High-order harmonics and attosecond pulse generation with coherent wake emission are theoretically investigated for the effect of pulse duration and carrier envelope phase (CEP) of few-cycle laser pulse. We find that short pulse duration will cause the negative chirp for the high harmonics. When the laser pulse is shortened to a few cycles, the influence of the laser CEP on the chirp of the harmonics will also become more prominent. [ABSTRACT FROM AUTHOR]

Published
2021
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293. Thermal Effect of High Energy Repetition Rate Nd∶Glass Laser

Author

甘泽彪 Gan Zebiao, 印定军 Yin Dingjun, 彭宇杰 Peng Yujie, 姚波 Yao Bo, 陈俊驰 Chen Junchi, 李儒新 Li Ruxin, 龙应斌 Long Yingbin, 於亮红 Yu Lianghong, 杨思达 Yang Sida, 梁晓燕 Liang Xiaoyan, and 冷雨欣 Leng Yuxin

Subjects
High energy, Glass laser, Materials science, Repetition (rhetorical device), business.industry, Thermal effect, Optoelectronics, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2020

297. Faraday-rotation self-interference method for electron beam duration measurement in the laser wakefield accelerator

Author

Liu, Jiaqi, Li, Wentao, Liu, Jiansheng, Qin, Zhiyong, Wang, Wentao, Qi, Rong, Zhang, Zhijun, Yu, Changhai, Fang, Ming, Wang, Cheng, and Li, Ruxin

Subjects
QC
Abstract

Real-time single-shot measurement of the femtosecond electron beam duration in laser wakefield accelerators is discussed for both experimental design and theoretical analysis that combines polarimetry and interferometry. The probe pulse polarization is rotated by the azimuthal magnetic field of the electron beam and then introduced into a Michelson-type interferometer for self-interference. The electron beam duration is obtained from the region size of the interference fringes, which is independent of the pulse width of the probe laser. Using a larger magnification system or incident angle, the measurement resolution can be less than 1 fs.

Published
2018

298. A new approach for rain gush formation associated with ionic wind

Author

Chin, S. L., Guo, Xueliang, Xu, Huanbin, Kong, Fanao, Xia, Andong, Zhao, Hongmei, Song, Di, Wang, Tie-Jun, Li, Gengyu, Du, Sheng-zhe, Ju, Jingjing, Sun, Haiyi, Liu, Jiansheng, Li, Ruxin, and Xu, Zhizhan

Subjects
Physics - Atmospheric and Oceanic Physics, Atmospheric and Oceanic Physics (physics.ao-ph), FOS: Physical sciences, Physics::Atmospheric and Oceanic Physics
Abstract

Based upon experimental observation in the laboratory, we propose that ionic wind from corona discharge inside a thundercloud would play an important role in producing a rain gush. A cyclic chain of events inside a super-saturated environment in a thundercloud is proposed, each event enhancing the successive ones until lightning occurs. These successive events are collision between snowflakes and rimers, charge separation, corona discharge, avalanche ionization, ionic wind originating from the positively and negatively charged masses of cloud, vortex motion and turbulence when mixed with the updraft, more collision, more charge separation, stronger corona discharge, and so on. Meanwhile, avalanche ionization would produce more CCN (cloud condensation nuclei) resulting in more precipitation and hence rimers formation in the super-saturated environment. More collision in the buoyant turbulence would lead to more fusion of droplets and the formation of larger rimers. The cyclic processes would repeat themselves until the electric field between the two oppositely charged masses of cloud was strong enough to induce a breakdown. The latter would create a sudden short circuit between the two charged masses of cloud neutralizing the charges. There would be no more ionic wind, hence, much less buoyant turbulence. The updraft alone would not be sufficiently strong to support larger rimers which would fall down 'suddenly' to the earth surface as a rain gush.

Published
2018
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