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Propagation characteristics of partially coherent beams with spatially varying correlations |
Optics Letters, Vol. 36, Issue 20, pp. 4104-4106 (2011)
http://dx.doi.org/10.1364/OL.36.004104
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Abstract
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
History
Original Manuscript: August 9, 2011
Manuscript Accepted: September 12, 2011
Published: October 14, 2011
Citation
Hanna Lajunen and Toni Saastamoinen, "Propagation characteristics of partially coherent beams with spatially varying correlations," Opt. Lett. 36, 4104-4106 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-4104
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