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Chinese Physics, 2007, Vol. 16(9): 2709-2715    DOI: 10.1088/1009-1963/16/9/035
CLASSICAL AREAS OF PHENOMENOLOGY Prev   Next  

Analytical structure of Hermite Gaussian beam in far field

Zhou Guo-Quan(周国泉), Chen Liang(陈亮), and Chu Xiu-Xiang(储修祥)
School of Sciences, Zhejiang Forestry University, Lin'an 311300, China
Abstract  Based on the vectorial structure of electromagnetic beam and the method of stationary phase, the analytical structure of Hermite Gaussian beam in far field is presented. The structural energy flux distributions are also investigated in the far field. The structural pictures of some Hermite Gaussian beams are depicted in the far field. As the structure of Hermite Gaussian beam is dominated by the transverse mode numbers and the initial transverse Gaussian half width, it is more complex than that of Gaussian beam. The ratios of the structural energy fluxes to the whole energy flux are independent of the transverse mode numbers and the initial transverse Gaussian half width. The present research reveals the internal vectorial structure of Hermite Gaussian beam from other viewpoint.
Keywords:  Hermite Gaussian beam      vectorial structure      method of stationary phase      beam propagation  
Received:  17 August 2006      Revised:  08 February 2007      Accepted manuscript online: 
PACS:  03.50.De (Classical electromagnetism, Maxwell equations)  
  41.20.-q (Applied classical electromagnetism)  
Fund: Project supported by the Scientific Research Fund of Zhejiang Provincial Education Department, China (Grant No~20060677).

Cite this article: 

Zhou Guo-Quan(周国泉), Chen Liang(陈亮), and Chu Xiu-Xiang(储修祥) Analytical structure of Hermite Gaussian beam in far field 2007 Chinese Physics 16 2709

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