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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 68, Iss. 7 — Jul. 1, 1978
  • pp: 989–993

Propagation of truncated Gaussian beams in multimode fiber guides

C. Yeh, L. Casperson, and B. Szejn  »View Author Affiliations


JOSA, Vol. 68, Issue 7, pp. 989-993 (1978)
http://dx.doi.org/10.1364/JOSA.68.000989


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Abstract

The ability to predict the light propagation characteristics in various practical multimode guiding structures is very important in optical fiber communications and in optical image transfer. The usual mode-by-mode analysis is impractical when the guiding structure is capable of supporting hundreds or thousands of modes. In this study a numerical technique is described which is capable of providing useful data on the propagation characteristics of optical multimode guiding structures whose index of refraction variation may be quite arbitrary. As a specific example, the problem of infinite or truncated Gaussian beam propagation in a radially inhomogeneous fiber with parabolic index profile is solved. The numerical results for the infinite Gaussian beam case are compared with exact analytical data and they are in complete agreement.

© 1978 Optical Society of America

Citation
C. Yeh, L. Casperson, and B. Szejn, "Propagation of truncated Gaussian beams in multimode fiber guides," J. Opt. Soc. Am. 68, 989-993 (1978)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-68-7-989

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