DIVERGENCE

作品数：401被引量：559H指数：9
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相关作者：王俊许欢王鹏军杨军方伟武更多>>
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High-Brightness Low-Divergence Tapered Lasers with a Narrow Taper Angle被引量：3
《Chinese Physics Letters》2019年第8期43-46,共4页Zhong-Hao Chen Hong-Wei Qu Xiao-Long Ma Ai-Yi Qi Xu-Yan Zhou Yu-Fei Wang Wan-Hua Zheng 
Supported by the National Key Research and Development Program of China under Grant Nos 2016YFB0402203 and 2016YFA0301102;the National Natural Science Foundation of China under Grant Nos 61535013 and 91850206
High-brightness tapered lasers with photonic crystal structures are designed and fabricated.A narrow taper angle is designed for the tapered section.The device delivers an output power of 3.3 W and a maximum wall-plug...
关键词：profile HIGH-BRIGHTNESS NARROW TAPER ANGLE 
Note on Divergence of the Chapman-Enskog Expansion for Solving Boltzmann Equation
《Chinese Physics Letters》2017年第2期15-17,共3页Nan-Xian Chen Bo-Hua Sun 
Within about a year （1916-1917） Chapman and Enskog independently proposed an important expansion for solving the Boltzmann equation. However, the expansion is divergent or indeterminant in the case of relaxation ti...
Evolution of Weighted Networks by Duplication-Divergence Mechanism
《Chinese Physics Letters》2006年第8期2330-2333,共4页张建国 颜家壬 刘自然 王俐 
Supported by the National Natural Science Foundation of China under Grant No 10375022.
The duplication and divergence process is ubiquitous in nature and man-made networks. Motivated by the duplication-divergence mechanism which depicts the growth of protein networks, we propose a weighted network model...
关键词：EVOLVING NETWORKS COMPLEX NETWORKS ORGANIZATION DYNAMICS 
A New Method to Measure the Divergence of X-Ray Beams from Capillaries
《Chinese Physics Letters》2006年第4期794-796,共3页林晓燕 李玉德 池济宏 刘安东 谈国太 
A new method to measure the divergence of x-ray beams propagated out from several capillaries is introduced, This new method is based on Bragg＇s law and is proven efficiently by the experimental measurement with coll...
关键词：XRF SPECTROMETER OPTICS LENS 
GEOMETRICAL OPTICS IN AN INHOMOGENEOUS UNIVERSE
《Chinese Physics Letters》1989年第5期233-236,共4页FANG Lizhi WU Xiangping 
In comparison with a homogeneous universe,a clumpy universe possess two types of effects on geometrical optics:1.the convergence due to the gravititational-lens effects of the clumps;t.the divergence due to the less m...
关键词：UNIVERSE DIVERGENCE THERMODYNAMICS 
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