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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 8 — Aug. 1, 1976
  • pp: 775–779

Internal reflection from an amplifying layer

P. R. Callary and C. K. Carniglia  »View Author Affiliations


JOSA, Vol. 66, Issue 8, pp. 775-779 (1976)
http://dx.doi.org/10.1364/JOSA.66.000775


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Abstract

The reflectance of a homogeneous amplifying layer between two transparent regions is determined theoretically with the help of the Fresnel formulas. The transparent region containing the incident beam has a higher refractive index, corresponding to an internal reflection configuration. In the limit of infinite layer thickness, the reflectance is a continuous monotonic function of incident angle, greater than unity for all angles. For certain finite values of layer thickness, the reflectance has a singular point. The results explain the reported observation of a reflectance of 1000 from an excited laser dye in contact with a quartz prism.

© 1976 Optical Society of America

Citation
P. R. Callary and C. K. Carniglia, "Internal reflection from an amplifying layer," J. Opt. Soc. Am. 66, 775-779 (1976)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-66-8-775

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