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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 1 — Jan. 1, 1976
  • pp: 63–64

Wave path of a Gaussian beam in an inhomogeneous medium

S. Kozaki and K. Kimura  »View Author Affiliations

JOSA, Vol. 66, Issue 1, pp. 63-64 (1976)

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The main purpose of this study is to find the wave path of a beam wave in an inhomogeneous medium in which the permittivity is assumed to decrease linearly in one direction. A two-dimensional Gaussian beam is considered which can be described as a superposition of a number of plane waves. Variations of amplitude of the beam are illustrated. There are some differences between the path of the beam and the ray path obtained by Fermat’s principle.

© 1976 Optical Society of America

S. Kozaki and K. Kimura, "Wave path of a Gaussian beam in an inhomogeneous medium," J. Opt. Soc. Am. 66, 63-64 (1976)

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  1. L. M. Brekhovskikh, Waves in Layered Media (Academic, New York, 1960), pp. 168–232.
  2. S. Nemoto and T. Makimoto, J. Inst. Electron. Commun. Engrs. (Jpn.) 53-B, 217 (1971).
  3. B. R. Horowitz and T. Tamir, J. Opt. Soc. Am. 61, 586 (1971).
  4. H. K. V. Lotsch, Optik 32, 116, 189, 299, and 553 (1970/71).
  5. B. R. Horowitz and T. Tamir, Appl. Phys. 1, 31 (1973).

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