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  • Vol. 36, Iss. 9 — May. 1, 2011
  • pp: 1605–1607

Flattop focusing with full Poincaré beams under low numerical aperture illumination

Wei Han, Wen Cheng, and Qiwen Zhan  »View Author Affiliations


Optics Letters, Vol. 36, Issue 9, pp. 1605-1607 (2011)
http://dx.doi.org/10.1364/OL.36.001605


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Abstract

In this Letter, we propose and experimentally demonstrate the generation of second-order full Poincaré beams and its applications in two-dimensional flattop beam shaping with spatially variant polarization under low NA focusing condition. High-quality flattop profiles with steep edge roll-off can be obtained with this technique. The experiment results also demonstrate that flattop profile can be maintained for different input beam sizes by conveniently rotating a half-wave plate.

© 2011 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(230.6120) Optical devices : Spatial light modulators
(260.1960) Physical optics : Diffraction theory
(260.5430) Physical optics : Polarization

ToC Category:
Physical Optics

History
Original Manuscript: February 14, 2011
Manuscript Accepted: March 20, 2011
Published: April 27, 2011

Citation
Wei Han, Wen Cheng, and Qiwen Zhan, "Flattop focusing with full Poincaré beams under low numerical aperture illumination," Opt. Lett. 36, 1605-1607 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-9-1605


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