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Ma Yufei

Harbin Institute of Technology

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Featured researches published by Ma Yufei.

Chinese Physics B | 2012

The thermal effect in diode-end-pumped continuous-wave 914-nm Nd:YVO4 laser

Yan Renpeng; Yu Xin; Chen Deying; Chen Fei; Li Xudong; Ma Yufei; Yu Jun-Hua

The thermal effect and the heat generation in diode-end-pumped continuous-wave 914-nm Nd:YVO4 lasers are investigated in detail. A theoretical model of a diode end-pumped solid-state laser is constructed to analyse the influence of fractional thermal loading on the thermal effect in the Nd:YVO4 laser based on finite element analysis. The thermal focal lengths and the end-surface deformations of laser rods in Nd:YVO4 quasi-three-level and four-level lasers are measured and compared with the results obtained by ordinary interferometry for the demonstration of higher thermal loading in 914-nm laser. Finally the fractional thermal loading in the Nd:YVO4 quasi-three-level laser is calculated by matching the experimental and the simulated end deformations.

Archive | 2015

Optical fiber evanescent wave form quartz enhanced photoacoustic spectrum sensor and gas measurement method

Ma Yufei; Yu Xin; Yu Guang; Zhang Jingbo; Li Xudong; Peng Jiangbo; Yan Renpeng; Fan Rongwei; Chen Deying; Yang Chaobo; Yang Zhen

Archive | 2015

Heat dissipation device for end-pumped laser crystal and clamping method of laser crystal

Li Xudong; Ma Yufei; Yan Renpeng; Fan Rongwei; Dong Zhiwei; Yu Xin; Chen Deying

Archive | 2015

Method for quantitatively measuring transient concentration distribution of OH radicals of turbulent combustion field by utilizing bi-directional optical path-based laser-induced fluorescence imaging technology

Yu Xin; Yang Zhen; Peng Jiangbo; Li Xiaohui; Ma Yufei; Yang Chaobo; Yu Yang

Archive | 2014

Method and device for obtaining pulse string laser through itracavity modulation

Li Xudong; Fan Rongwei; Ma Yufei; Yan Renpeng; Dong Zhiwei; Yu Xin; Chen Deying

Archive | 2014

Laser device and method for adjusting and controlling passively Q-switched laser output characteristics through Cr +: YAG crystal anisotropy characteristics

Yu Xin; Ma Yufei; Li Xudong; Yan Renpeng; Fan Rongwei; Peng Jiangbo; Chen Deying; Yang Chaobo; Bai Yunchang

Archive | 2015

Method for measuring three-dimensional spatial distribution of OH group concentration in transient combustion field based on scanning planar laser induced fluorescence imaging system

Yu Xin; Yang Zhen; Peng Jiangbo; Ma Yufei; Li Xiaohui; Fan Rongwei; Chen Deying; Li Xudong; Dong Zhiwei; Yang Chaobo; Yu Yang

Archive | 2015

Full-field injection atomization measurement device and method based on photon time domain filter technique

Peng Jiangbo; Yu Xin; Dong Zhiwei; Ma Yufei; Yang Zhen; Yang Chaobo; Li Xiaohui; Fan Rongwei; Song Menglong

Archive | 2015

No-debugging miniature laser device ignition device and method

Ma Yufei; He Ying; Li Xudong; Yu Xin; Yan Renpeng; Li Xiaohui; Peng Jiangbo; Yu Yang; Fan Rongwei; Dong Zhiwei; Yang Chaobo; Yang Zhen

Archive | 2015

Indium seal method for tight connection between laser crystal and red copper heat sink

Li Xudong; Yan Renpeng; Ma Yufei; Fan Rongwei; Dong Zhiwei; Fa Xin; Yu Xin; Chen Deying; Yu Jun-Hua

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Yu Xin

Harbin Institute of Technology

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Fan Rongwei

Harbin Institute of Technology

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Li Xudong

Harbin Institute of Technology

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Chen Deying

Harbin Institute of Technology

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Yan Renpeng

Harbin Institute of Technology

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Dong Zhiwei

Fudan University

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Peng Jiangbo

Harbin Institute of Technology

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Yang Chaobo

Harbin Institute of Technology

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Li Xiaohui

Harbin Institute of Technology

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Yang Zhen

Harbin Institute of Technology

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