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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 10 — Apr. 1, 2010
  • pp: 1838–1844

Experimental generation of Laguerre–Gaussian beam using digital micromirror device

Yu-Xuan Ren, Ming Li, Kun Huang, Jian-Guang Wu, Hong-Fang Gao, Zi-Qiang Wang, and Yin-Mei Li  »View Author Affiliations


Applied Optics, Vol. 49, Issue 10, pp. 1838-1844 (2010)
http://dx.doi.org/10.1364/AO.49.001838


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Abstract

A digital micromirror device (DMD) modulates laser intensity through computer control of the device. We experimentally investigate the performance of the modulation property of a DMD and optimize the modulation procedure through image correction. Furthermore, Laguerre–Gaussian (LG) beams with different topological charges are generated by projecting a series of forklike gratings onto the DMD. We measure the field distribution with and without correction, the energy of LG beams with different topological charges, and the polarization property in sequence. Experimental results demonstrate that it is possible to generate LG beams with a DMD that allows the use of a high-intensity laser with proper correction to the input images, and that the polarization state of the LG beam differs from that of the input beam.

© 2010 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(140.3300) Lasers and laser optics : Laser beam shaping
(230.6120) Optical devices : Spatial light modulators
(260.5430) Physical optics : Polarization
(050.4865) Diffraction and gratings : Optical vortices

ToC Category:
Optical Devices

History
Original Manuscript: December 9, 2009
Revised Manuscript: March 4, 2010
Manuscript Accepted: March 6, 2010
Published: March 25, 2010

Citation
Yu-Xuan Ren, Ming Li, Kun Huang, Jian-Guang Wu, Hong-Fang Gao, Zi-Qiang Wang, and Yin-Mei Li, "Experimental generation of Laguerre-Gaussian beam using digital micromirror device," Appl. Opt. 49, 1838-1844 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-10-1838

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