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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 37, Iss. 2 — Jan. 15, 2012
  • pp: 283–285

Laser profile reshaping in a Fabry–Perot thin film

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


Optics Letters, Vol. 37, Issue 2, pp. 283-285 (2012)
http://dx.doi.org/10.1364/OL.37.000283


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Abstract

We report the observation of non-Gaussian reflected and transmitted laser spatial profiles resulting from the excitation of resonant modes below the critical angle for total reflection in a Fabry–Perot cavity formed by a thin 7um air film between two glass prisms. The observations of an interference minimum in the reflected profile and exponential decay in the transmitted profile are new and in excellent agreement with a complex pole theory. Extension of the theory to a larger 0.7m cavity at normal incidence predicts similar reshaped profiles.

© 2012 Optical Society of America

OCIS Codes
(050.2230) Diffraction and gratings : Fabry-Perot
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Diffraction and Gratings

History
Original Manuscript: October 3, 2011
Revised Manuscript: November 11, 2011
Manuscript Accepted: November 22, 2011
Published: January 13, 2012

Citation
H. J. Simon, R. V. Andaloro, and R. T. Deck, "Laser profile reshaping in a Fabry–Perot thin film," Opt. Lett. 37, 283-285 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-2-283


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References

  1. E. Hecht, Optics, 4th ed. (Addison-Wesley, 2002).
  2. W. P. Chen, G. Ritchie, and E. Burstein, Phys. Rev. Lett. 37, 993 (1976). [CrossRef]
  3. H. J. Simon, R. V. Andaloro, and R. T. Deck, Opt. Lett. 32, 1590 (2007). [CrossRef]
  4. Z. Wu, G. Xia, H. Zhou, J. Wu, and M. Liu, Opt. Laser Technol. 35, 1 (2003). [CrossRef]
  5. N. Hodgson and H. Weber, Laser Resonators, 2nd ed. (Springer, 2005).

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