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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 10 — Oct. 1, 1976
  • pp: 1025–1031

Radiation loss of a helically deformed optical fiber

D. Marcuse  »View Author Affiliations

JOSA, Vol. 66, Issue 10, pp. 1025-1031 (1976)

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We calculate the radiation loss of a helically deformed optical fiber. Instead of treating the infinite, periodical structure, only one turn of the helix is considered. We find that the loss formula for the helix agrees with the well known curvature loss formula for a circularly deformed fiber if the radius of curvature of the circle is replaced by the radius of curvature of the helix.

© 1976 Optical Society of America

D. Marcuse, "Radiation loss of a helically deformed optical fiber," J. Opt. Soc. Am. 66, 1025-1031 (1976)

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  1. M. A. Miller and V. I. Talanov, "Electromagnetic Surface Waves Guided by a Boundary with Small Curvature," Zh. Tekh. Fiz. 26, 2755 (1956).
  2. E. A. J. Marcatili, "Bends in Optical Dielectric Guides," Bell Syst. Tech. J. 48, 2103–2132 (1969).
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  5. L. Lewin, "Radiation from Curved Dielectric Slabs and Fibers, " IEEE Trans. Microwave Theory Tech. MTT-22, 718–727 (1974).
  6. D. C. Chang and E. F. Kuester, "General Theory of Surface-Wave Propagation on a Curved Optical Waveguide of Arbitrary Cross Section, " IEEE J. Quantum Electron (to be published).
  7. D. Marcuse, "Curvature Loss Formula for Optical Fibers," J. Opt. Soc. Am. 66, 216–220 (1976).
  8. D. Marcuse, "Bent Optical Waveguide with Lossy Jacket," Bell Syst. Tech. J. 1079–1101 (1974).
  9. G. A. Korn and T. M. Korn, Mathematical Handbook for Scientists and Engineers (McGraw-Hill, New York, 1961), p. 503, Eq. (17.2-3).
  10. D. Gloge, "Weakly Guiding Fibers, " Appl. Opt. 10, 2252–2258 (1971).
  11. D. Marcuse, Theory of Dielectric Optical Waveguides, (Academic, New York, 1974), p. 65, Eq. (2-2-23) and p. 66, Eq. (2,2-25).
  12. Reference 11, p. 70, Eq. (2.2-42).
  13. D. Marcuse, Light Transmission Optics (Van Nostrand Reinhold, New York, 1972), p. 290, Eqs. (8.2-7)–(8.2-10).
  14. Reference 11, pp. 25–26.
  15. I. S. Gradshteyn and I. M. Ryzhik, Table of Integrals, Series and Products, 4th ed. (Academic, New York, 1965),p. 963; note that Hµ(2)≈−iNµ.

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