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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 4 — Feb. 15, 2010
  • pp: 3871–3882

Interference effects at a dielectric plate applied as a high-power-laser attenuator

Peter Gregorčič, Aleš Babnik, and Janez Možina  »View Author Affiliations


Optics Express, Vol. 18, Issue 4, pp. 3871-3882 (2010)
http://dx.doi.org/10.1364/OE.18.003871


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Abstract

The interference effects caused by the Fresnel reflections of a Gaussian beam on the boundaries of a dielectric plate, which can be considered as a Fabry-Perot etalon, were theoretically and experimentally investigated. In addition to the incident angle and the polarization of the incident light, two additional parameters—the plate’s parallelism and the temperature—which are often neglected, were analyzed. Based on the theoretical predictions and the measured behavior of the transmittance of the dielectric plate a new, temperature-controlled variable high-power-laser attenuator is proposed. Unwanted changes in the plate’s transmittance caused by the absorption of laser pulses within the plate are also presented. These phenomena are important in many applications where dielectric plates are used for a variety of purposes.

© 2010 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.6810) Lasers and laser optics : Thermal effects
(260.3160) Physical optics : Interference

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 9, 2009
Revised Manuscript: January 13, 2010
Manuscript Accepted: January 28, 2010
Published: February 11, 2010

Citation
Peter Gregorčič, Aleš Babnik, and Janez Možina, "Interference effects at a dielectric plate 
applied as a high-power-laser attenuator," Opt. Express 18, 3871-3882 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-4-3871


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