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Start Over Author "Zhou Changhe" Journal chinese journal of lasers
17 results on '"Zhou Changhe"'

3. Miniaturized Optical System for 3D Measuring of Pipe Inner Surface

Author

Ye Jing, Zhou Changhe, and Jia Wei

Subjects
Surface (mathematics), Materials science, business.industry, Optoelectronics, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2010

4. Reversible Dark-Center of the Chromium Films Induced by Femtosecond Pulse and Continuous-Wave Lasers

Author

Fan Zhongwei, Wu Tengfei, Niu Gang, Zhu Linwei, Ma Yunfeng, and Zhou Changhe

Subjects
Materials science, Femtosecond pulse, business.industry, chemistry.chemical_element, Laser, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, Chromium, chemistry, law, Optoelectronics, Continuous wave, Center (algebra and category theory), Electrical and Electronic Engineering, business
Published
2010

5. New Technology for Fabrication of Polymer Microlens Arrays

Author

王伟 Wang Wei and 周常河 Zhou Changhe

Subjects
chemistry.chemical_classification, Microlens, Fabrication, Materials science, chemistry, Nanotechnology, Polymer, Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2009

6. Temporal Characteristics of Femtosecond Pulse Propagation through a Scattering Surface

Author

Zhou Changhe, Qu Shi-Liang, Ren Shoutian, Liu Wen-Jun, and Dai Enwen

Subjects
Surface (mathematics), Femtosecond pulse shaping, Materials science, Optics, Multiphoton intrapulse interference phase scan, business.industry, Scattering, Femtosecond pulse, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Abstract

从理论上和实验上对飞秒激光脉冲通过散射表面后的时域特性进行了研究分析.用频率分辨光学开关法对通过散射表面前后的飞秒脉冲进行了测晕和对比.理论分析和实验结果表明,由于散射表面对飞秒脉冲的散射导致飞秒脉冲的展宽和形状的畸变.输入脉冲在时间相关函数的半峰令宽为64 fs;透射脉冲在时间相关函数半峰全宽的平均值为117 fs.对透射脉冲场的统计特性进行了讨论,逶射脉冲场实部和虚部的概率甬数分布遵从高斯函数分布;强度的概率分布遵从指数分布规律;给出了入射飞秒脉冲强度的自相关函数分布和飞秒时域散斑场强度的互相关函数分布的实验结果,并且对二者的时间相关函数进行了讨论.

Published
2009

7. Micromaching with Polarized Light Femtosecond Double Pulses

Author

周常河 Zhou Changhe, 谢金 Xie Jin, 韩泽华 Han Zehua, and 戴恩文 Dai Enwen

Subjects
Optics, Materials science, business.industry, Femtosecond, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2008

8. Fabrication of Low-Density Blazed Gratings

Author

底彩慧 Di Caihui, 戴恩文 Dai Enwen, 贾伟 Jia Wei, and 周常河 Zhou Changhe

Subjects
Fabrication, Materials science, business.industry, Low density, Optoelectronics, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials
Published
2008

9. Femtosecond Laser Pulse Compressor Based on Multi-Level Reflection Gratings

Author

贾伟 Jia Wei, 周常河 Zhou Changhe, and 戴恩文 Dai Enwen

Subjects
Femtosecond pulse shaping, Materials science, business.industry, Laser, Atomic and Molecular Physics, and Optics, Prism compressor, Electronic, Optical and Magnetic Materials, Pulse (physics), law.invention, Optics, Multiphoton intrapulse interference phase scan, law, Femtosecond, Reflection (physics), Electrical and Electronic Engineering, business, Gas compressor
Published
2008

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