Generation of hollow beams by using a binary spatial light modulator
Optics Letters, Vol. 31, Issue 7, pp. 864-866 (2006)
http://dx.doi.org/10.1364/OL.31.000864
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Abstract
We demonstrate the generation of hollow laser beams by using a binary spatial light modulator and compare the results with those for a continuous modulator. The binary phase modulator produces beams that have continuous, azimuthally varying phase profiles and can be dynamically changed with kilohertz refresh rates. The intensity and phase profiles are recorded through the focus of an imaging lens and are compared with scalar diffraction theory. We highlight properties of the beams relevant to optical dipole traps.
© 2006 Optical Society of America
OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(140.3300) Lasers and laser optics : Laser beam shaping
ToC Category:
Diffraction and Gratings
History
Original Manuscript: November 17, 2005
Revised Manuscript: December 20, 2005
Manuscript Accepted: December 23, 2005
Citation
Fredrik K. Fatemi and Mark Bashkansky, "Generation of hollow beams by using a binary spatial light modulator," Opt. Lett. 31, 864-866 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-7-864
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