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Optics Letters

Optics Letters


  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 4104–4106

Propagation characteristics of partially coherent beams with spatially varying correlations

Hanna Lajunen and Toni Saastamoinen  »View Author Affiliations

Optics Letters, Vol. 36, Issue 20, pp. 4104-4106 (2011)

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We introduce a class of partially coherent beams with spatially varying correlation properties. It is shown that mathematically simple modifications in the coherence function of conventional Gaussian Schell-model beams lead to partially coherent fields with extraordinary free-space propagation characteristics, such as locally sharpened and laterally shifted intensity maxima. We study the properties of such fields based on an elementary-mode interpretation and by numerical simulations. The results demonstrate the potential of coherence modulation for beam shaping applications.

© 2011 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(140.3300) Lasers and laser optics : Laser beam shaping
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Coherence and Statistical Optics

Original Manuscript: August 9, 2011
Manuscript Accepted: September 12, 2011
Published: October 14, 2011

Hanna Lajunen and Toni Saastamoinen, "Propagation characteristics of partially coherent beams with spatially varying correlations," Opt. Lett. 36, 4104-4106 (2011)

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