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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 13, Iss. 5 — May. 1, 1974
  • pp: 1029–1033

Calculation of the Maximum Optical Coupling Efficiency into Multimode Optical Waveguides

Marshall C. Hudson  »View Author Affiliations


Applied Optics, Vol. 13, Issue 5, pp. 1029-1033 (1974)
http://dx.doi.org/10.1364/AO.13.001029


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Abstract

The application of Liouville’s theorem from statistical mechanics to a distribution of rays emanating from a light source provides a method of visualizing and calculating the maximum efficiency achievable when coupling the radiation to a receiver. It is shown that the maximum coupling efficiency depends only on measurable spatial and angular boundary conditions of the source and receiver together with knowledge of the source radiance distribution. Knowledge of the maximum coupling efficiency permits evaluation of any optical system which might be used to effect coupling. A specific example is given for coupling radiation from a light emitting diode to a cylindrical, multimode, optical waveguide.

© 1974 Optical Society of America

History
Original Manuscript: November 21, 1973
Published: May 1, 1974

Citation
Marshall C. Hudson, "Calculation of the Maximum Optical Coupling Efficiency into Multimode Optical Waveguides," Appl. Opt. 13, 1029-1033 (1974)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-13-5-1029


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References

  1. R. C. Tolman, The Principles of Statistical Mechanics (Oxford U.P.Oxford,1938).
  2. D. Marcuse, Light Transmission Optics (Van Nostrand, Princeton, 1972), p. 92.
  3. H. Goldstein, Classical Mechanics (Addison Wesley, Reading, Mass.1960), pp. 30–33.
  4. Reference 3, p. 215.
  5. M. R. Holter, S. Nudelman, G. Suits, W. Wolfe, G. Zissis, Fundamentals of Infrared Technology (Macmillan, New York, 1962), p. 4.
  6. D. Marcuse, Bell Syst. Tech. J. 45, 743 (1966).
  7. D. Marcuse, Appl. Opt. 10, 494 (1971). [CrossRef] [PubMed]
  8. The meridional N.A. is really an underestimation of the light-gathering efficiency of a cylindrical fiber. Skew ray calculations show that an effective N.A. can be defined in terms of a fictitious angle γs, greater than γc. See N. S. Kapany, Fiber Optics, Principles and Applications (Academic Press, New York, 1967), pp. 30–34.

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