Laser projection using generalized phase contrast
Optics Letters, Vol. 32, Issue 22, pp. 3281-3283 (2007)
http://dx.doi.org/10.1364/OL.32.003281
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Abstract
We demonstrate experimental laser projection of a gray-level photographic image with 74% light efficiency using the generalized phase contrast (GPC) method. In contrast with a previously proposed technique [ Alonzo et al., New J. Phys. 9, 132 (2007) ], a new approach to image construction via GPC is introduced. An arbitrary phase shift filter eliminates the need for high-frequency modulation and conjugate phase encoding. This lowers device performance requirements and allows practical implementation with currently available dynamic spatial light modulators.
© 2007 Optical Society of America
OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.6110) Fourier optics and signal processing : Spatial filtering
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(140.3300) Lasers and laser optics : Laser beam shaping
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: September 20, 2007
Manuscript Accepted: October 18, 2007
Published: November 2, 2007
Citation
Jesper Glückstad, Darwin Palima, Peter John Rodrigo, and Carlo Amadeo Alonzo, "Laser projection using generalized phase contrast," Opt. Lett. 32, 3281-3283 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-22-3281
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