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Optics Letters

Optics Letters


  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 1023–1025

Fresnel filtering of Gaussian beams in microcavities

Susumu Shinohara, Takahisa Harayama, and Takehiro Fukushima  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 1023-1025 (2011)

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We study the output from the modes described by the superposition of Gaussian beams confined in the quasi- stadium microcavities. We experimentally observe the deviation from Snell’s law in the output when the incident angle of the Gaussian beam at the cavity interface is near the critical angle for total internal reflection, providing direct experimental evidence on the Fresnel filtering. The theory of the Fresnel filtering for a planar interface qualitatively reproduces experimental data, and a discussion is given on small deviation between the measured data and the theory.

© 2011 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3410) Lasers and laser optics : Laser resonators
(140.4780) Lasers and laser optics : Optical resonators
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators

ToC Category:
Lasers and Laser Optics

Original Manuscript: December 17, 2010
Revised Manuscript: February 7, 2011
Manuscript Accepted: February 21, 2011
Published: March 15, 2011

Susumu Shinohara, Takahisa Harayama, and Takehiro Fukushima, "Fresnel filtering of Gaussian beams in microcavities," Opt. Lett. 36, 1023-1025 (2011)

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