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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 11 — Jun. 1, 2007
  • pp: 1590–1592

Observation of interference in reflection profile resulting from excitation of optical normal modes with focused beams

H. J. Simon, R. V. Andaloro, and R. T. Deck  »View Author Affiliations

Optics Letters, Vol. 32, Issue 11, pp. 1590-1592 (2007)

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We report the observation of novel interference patterns in reflected beam profiles resulting from the excitation with a focused laser beam of both the long-range surface plasmon mode and leaky waveguide modes in a prism-coupled thin-film geometry. Many new features of the observation are in good agreement with the theory; namely, the greater than unity normalized peak interference intensities, the monotonically decreasing spacing between the periodic intensity variations, and the reshaping of the reflected profile due to propagation. Implications of these results for submicrometer patterning in nanoscience are pointed out.

© 2007 Optical Society of America

OCIS Codes
(230.7390) Optical devices : Waveguides, planar
(240.6680) Optics at surfaces : Surface plasmons
(260.3160) Physical optics : Interference

ToC Category:
Optical Devices

Original Manuscript: February 20, 2007
Revised Manuscript: March 30, 2007
Manuscript Accepted: April 7, 2007
Published: May 18, 2007

H. J. Simon, R. V. Andaloro, and R. T. Deck, "Observation of interference in reflection profile resulting from excitation of optical normal modes with focused beams," Opt. Lett. 32, 1590-1592 (2007)

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