Elimination of a zero-order beam induced by a pixelated spatial light modulator for holographic projection
Applied Optics, Vol. 48, Issue 30, pp. 5834-5841 (2009)
http://dx.doi.org/10.1364/AO.48.005834
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Abstract
A technique is proposed theoretically and verified experimentally to eliminate a zero-order beam caused by a pixelated phase-only spatial light modulator (SLM) for holographic projection. The formulas for determination of the optical field in the Fourier plane are deduced, and the influence of the pixelated structure of a SLM on the intensity of the zero-order beam is numerically investigated. Two currently existing techniques are studied and a new one is presented. These three techniques are used separately to eliminate the zero-order interruption, and the optical performances of the reconstructed patterns are compared. The new technique results in higher reconstruction quality and diffraction efficiency. A short animated movie is illuminated for holographic projection display. The experimental results show that the zero-order beam can be efficiently eliminated by the new technique. It is believed that this technique can be used in various optical systems that are based on pixelated phase-only SLMs, such as holographic optical tweezers and optical testing systems.
© 2009 Optical Society of America
OCIS Codes
(090.1760) Holography : Computer holography
(090.2870) Holography : Holographic display
ToC Category:
Holography
History
Original Manuscript: June 9, 2009
Revised Manuscript: September 3, 2009
Manuscript Accepted: September 30, 2009
Published: October 16, 2009
Virtual Issues
Vol. 4, Iss. 12 Virtual Journal for Biomedical Optics
Citation
Hao Zhang, Jinghui Xie, Juan Liu, and Yongtian Wang, "Elimination of a zero-order beam induced by a pixelated spatial light modulator for holographic projection," Appl. Opt. 48, 5834-5841 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-30-5834
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