Increased horizontal viewing zone angle of a hologram by resolution redistribution of a spatial light modulator
Applied Optics, Vol. 47, Issue 19, pp. D6-D11 (2008)
http://dx.doi.org/10.1364/AO.47.0000D6
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Abstract
The narrow viewing zone angle is one of the problems associated with electronic holography. We propose a technique that enables the ratio of horizontal and vertical resolutions of a spatial light modulator (SLM) to be altered. This technique increases the horizontal resolution of a SLM several times, so that the horizontal viewing zone angle is also increased several times. A SLM illuminated by a slanted point light source array is imaged by a 4f imaging system in which a horizontal slit is located on the Fourier plane. We show that the horizontal resolution was increased four times and that the horizontal viewing zone angle was increased approximately four times.
© 2008 Optical Society of America
OCIS Codes
(090.1760) Holography : Computer holography
(090.1970) Holography : Diffractive optics
(090.2870) Holography : Holographic display
(100.2000) Image processing : Digital image processing
(070.6120) Fourier optics and signal processing : Spatial light modulators
History
Original Manuscript: October 1, 2007
Manuscript Accepted: November 4, 2007
Published: January 16, 2008
Citation
Yasuhiro Takaki and Yuki Hayashi, "Increased horizontal viewing zone angle of a hologram by resolution redistribution of a spatial light modulator," Appl. Opt. 47, D6-D11 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-19-D6
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