Common Aspects of Gaussian Beams, Ellipsoidal Waves and Multipole Radiation

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概要

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• A close connection is found among spheroidal waves, light beams with the Gaussian amplitude profile or the resonant mode of Fabry-Perot resonators and the multipole expansion of electromagnetic radiation. For usual applications where aberrations are ignored, the dipole radiation term aR^<-1> exp jγ_0nR is sufficient to represent those beam waves, where R is defined through R^2=(r-r_0+jg_0)^2, in which r is the radius vector and r_0, q_0, a are constant vectors specifying the position of waist, direction of propagation as well as the waist size, and polarization, respectively. Two beams, each consisting of electric dipole, magnetic dipole and electric quadrupole radiation terms, are found necessary and sufficient to match the magnetic field and tangential electric field on both sides of a spherical surface up to the fourth order.

• 社団法人応用物理学会の論文
• 1973-12-05

著者

• Ito Michiaki

  Nippon Electric Company Limited

• Ito Michiaki

  Nippon Electric Co.

関連論文

• Common Aspects of Gaussian Beams, Ellipsoidal Waves and Multipole Radiation
• Theory of Ellipsoidal Waves and Seidel Aberrations of Gaussian Beams

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