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Self-consistent field description of whispering-gallery mode in circular cavity

Qiu Shan-Liang Li Yong-Ping

Self-consistent field description of whispering-gallery mode in circular cavity

Qiu Shan-Liang, Li Yong-Ping
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  • Received Date:  18 February 2009
  • Accepted Date:  12 June 2009
  • Published Online:  20 December 2009

Self-consistent field description of whispering-gallery mode in circular cavity

  • 1. (1)中国科学技术大学物理系,合肥 230026; (2)中国科学技术大学物理系,合肥 230026;中国科学技术大学 中国科学院量子信息重点实验室,合肥 230026

Abstract: On the base of introduction of circular cavity eigenfield and its reflection coefficient,the self-consistent field description of whispering-gallery mode (WGM) in circular cavity is discussed. Accroding to the self-consistency,the same eigenvalue equation as the one directly deduced from the Helmholtz equation determining WGM is obtained. Also based on the wave-ray correspondence of circular cavity eigenfield,the self-consistent ray description of WGM is discussed. The results of resonance wavenumbers and the Q-factors of WGMs deduced from the intuitive self-consistent picture of eigenray beam are well coincident with the ones obtained by directly solving the eigenvalue equation.

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