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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 3 — Feb. 4, 2008
  • pp: 1507–1516

Gaussian to uniform intensity shaper based on generalized phase contrast

Darwin Palima and Jesper Glückstad  »View Author Affiliations


Optics Express, Vol. 16, Issue 3, pp. 1507-1516 (2008)
http://dx.doi.org/10.1364/OE.16.001507


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Abstract

We show that the generalized phase contrast method (GPC) can be used as a versatile tool for shaping an incident Gaussian illumination into arbitrary lateral beam profiles with uniform intensity. This energy-efficient technique shapes the beam by redistributing light from designated dark regions and homogenizes the beam by redistributing excess energy from the center to the edges. Results from numerical experiments show efficiencies around 84% for various profiles with minimal intensity inhomogeneities.

© 2008 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(140.3300) Lasers and laser optics : Laser beam shaping

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 12, 2007
Revised Manuscript: January 17, 2008
Manuscript Accepted: January 17, 2008
Published: January 22, 2008

Citation
Darwin Palima and Jesper Glückstad, "Gaussian to uniform intensity shaper based on generalized phase contrast," Opt. Express 16, 1507-1516 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-3-1507


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