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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 38, Iss. 1 — Jan. 1, 1948
  • pp: 20–26

Optimum Band Width for Two Layer Anti-Reflection Films

ROBERT B. MUCHMORE  »View Author Affiliations


JOSA, Vol. 38, Issue 1, pp. 20-26 (1948)
http://dx.doi.org/10.1364/JOSA.38.000020


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Abstract

To determine the reflection from a two layer anti-reflection film on glass the ideas and terminology of network analysis are introduced. Those parts of network theory to be used are briefly reviewed. This theory is shown to provide a clear physical picture of the field changes which occur with varying film parameters. It is shown that there is a relation connecting these parameters which defines an optimum design for best bandwidth. This design yields a reflection curve having two points of zero reflection and in a typical case gives less than 0.005 reflectivity over a range extending well beyond the visible spectrum at both ends. If, because of physical limitations, the optimum proves to be unattainable, then the conditions for closest approach are outlined.

Citation
ROBERT B. MUCHMORE, "Optimum Band Width for Two Layer Anti-Reflection Films," J. Opt. Soc. Am. 38, 20-26 (1948)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-38-1-20


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References

  1. W. P. Mason, Bell Sys. Tech. J. 6, 258 (1927).
  2. S. A. Schelkunoff, Bell Sys. Tech. J. 17, 17 (1938).
  3. E. A. Guillemin, Communication Networks (John Wiley and Sons, Inc., New York, 1935), Vol. II.
  4. P. I. Richards, Proc. I.R.E. 34, 145 (1946).
  5. E. A. Guillemin, Communication Networks (John Wiley and Sons, Inc., New York, 1935), Vol. II.
  6. P. I. Richards, Proc. I.R.E. 34, 145 (1946).
  7. See, for instance, ref. 3 or T. S. Shea, Transmission Networks and Wave Filters (D. Van Nostrand Company, New York, 1929).
  8. P. I. Richards, Proc. I.R.E. 34, 145 (1946).
  9. R. L. Mooney, J. Opt. Soc. Am. 35, 574 (1945).
  10. S. A. Schelkunoff, Electromagnetic Waves (D. Van Nostrand Company, New York, 1943), pp. 251–254.
  11. A. Vasicek, J. Opt. Soc. Am. 37, 145 (1947).

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