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Optics Letters

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  • Vol. 14, Iss. 21 — Nov. 1, 1989
  • pp: 1234–1236

Phase-matched electromagnetic scattering in active dielectric films

S. N. Mendenhall, O. M. Stafsudd, and N. G. Alexopoulos  »View Author Affiliations


Optics Letters, Vol. 14, Issue 21, pp. 1234-1236 (1989)
http://dx.doi.org/10.1364/OL.14.001234


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Abstract

An investigation of oblique plane-wave electromagnetic scattering from active dielectric films reveals the existence of anomalously large resonances that occur at discrete plane-wave angles of incidence. These resonances may be understood from a leaky-wave phase-matching condition whose predictions for the first few modes agree to within a few percent of those obtained from a rigorous treatment using Maxwell’s equations. Enhancement in the scattered-field intensities of the order of 100 was observed in experiments using finite-diameter pump and probe laser beams and active films as thin as 6 μm.

© 1989 Optical Society of America

History
Original Manuscript: May 23, 1989
Manuscript Accepted: August 18, 1989
Published: November 1, 1989

Citation
S. N. Mendenhall, O. M. Stafsudd, and N. G. Alexopoulos, "Phase-matched electromagnetic scattering in active dielectric films," Opt. Lett. 14, 1234-1236 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-21-1234


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References

  1. N. G. Alexopoulos, N. K. Uzonoglu, Appl. Opt. 17, 235 (1978). [CrossRef] [PubMed]
  2. M. Kerker, Appl. Opt. 17, 3337 (1978). [CrossRef] [PubMed]
  3. M. Kerker, Appl. Opt. 18, 1180 (1979). [CrossRef] [PubMed]
  4. A. Cohen, J. Appl. Phys. 58, 2437 (1985). [CrossRef]
  5. J. Warniak, Ph.D. dissertation (Department of Electrical Engineerng, University of California, Los Angeles, Los Angeles, Calif., 1983).
  6. N. Pariasamy, F. P. Schafer, Appl. Opt. 24, 201 (1981).
  7. A. K. Ghatak, K. Thyagarajan, M. R. Shenoy, IEEE J. Lightwave Technol. LT-5, 660 (1987). [CrossRef]
  8. S. N. Mendenhall, O. M. Stafsudd, N. G. Alexopoulos, J. Appl. Phys. (to be published).

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