Generation of nondiffracting Bessel beams by use of a spatial light modulator
Optics Letters, Vol. 28, Issue 22, pp. 2183-2185 (2003)
http://dx.doi.org/10.1364/OL.28.002183
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Abstract
A laser beam with phase singularities is an interesting object to study in optics and may have important applications in guiding atoms and molecules. We explore the characteristics of a singularity in a nondiffracting Bessel beam experimentally by use of a programmable spatial light modulator with 64-level phase holograms. The diffraction efficiency with 64-level phase holograms is greatly improved in comparison with that obtained with a binary grating. The experiments show that the size and deflection angle of the beam can be controlled in real time. The observations are in agreement with scalar diffraction theory.
© 2003 Optical Society of America
OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(090.1760) Holography : Computer holography
(140.3300) Lasers and laser optics : Laser beam shaping
Citation
Narupon Chattrapiban, Elizabeth A. Rogers, David Cofield, Wendell T. Hill, III, and Rajarshi Roy, "Generation of nondiffracting Bessel beams by use of a spatial light modulator," Opt. Lett. 28, 2183-2185 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-22-2183
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