Symmetry dependence of holograms for optical trapping
Optics Letters, Vol. 30, Issue 16, pp. 2086-2088 (2005)
http://dx.doi.org/10.1364/OL.30.002086
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Abstract
No iterative algorithm is necessary to calculate holograms for most holographic optical trapping patterns. Instead, holograms may be produced by a simple extension of the prisms-and-lenses method. This formulaic approach yields the same diffraction efficiency as iterative algorithms for any asymmetric or symmetric but nonperiodic pattern of points while requiring less calculation time. A slight spatial disordering of periodic patterns significantly reduces intensity variations between the different traps without extra calculation costs. Eliminating laborious hologram calculations should greatly facilitate interactive holographic trapping.
© 2005 Optical Society of America
OCIS Codes
(020.7010) Atomic and molecular physics : Laser trapping
(090.1760) Holography : Computer holography
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(170.4520) Medical optics and biotechnology : Optical confinement and manipulation
(230.6120) Optical devices : Spatial light modulators
Citation
Jennifer E. Curtis, Christian H. J. Schmitz, and Joachim P. Spatz, "Symmetry dependence of holograms for optical trapping," Opt. Lett. 30, 2086-2088 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-16-2086
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