Holographic three-dimensional display and hologram calculation based on liquid crystal on silicon device [Invited]

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Title:	Holographic three-dimensional display and hologram calculation based on liquid crystal on silicon device [Invited]
Authors:	Li, Junchang Tu, Han-Yen Yeh, Wei-Chieh Gui, Jinbin Cheng, Chau-Jern
Contributors:	電機系
Keywords:	COMPUTER-GENERATED HOLOGRAMS LOOK-UP-TABLE PAPERS FREQUENCY-ANALYSIS PRINCIPLE FRINGE PATTERNS FRONT-RECORDING PLANE SPATIAL LIGHT MODULATORS;; DIGITAL HOLOGRAPHY DIFFRACTION EFFICIENCY CALCULATION ALGORITHM SURFACE OBJECTS
Date:	2014-09-20
Issue Date:	2015-01-20 11:36:12 (UTC+8)
Abstract:	Based on scalar diffraction theory and the geometric structure of liquid crystal on silicon (LCoS), we study the impulse responses and image depth of focus in a holographic three-dimensional (3D) display system. Theoretical expressions of the impulse response and the depth of focus of reconstructed 3D images are obtained, and experimental verifications of the imaging properties are performed. The results indicated that the images formed by holographic display based on the LCoS device were periodic image fields surrounding optical axes. The widths of the image fields were directly proportional to the wavelength and diffraction distance, and inversely proportional to the pixel size of the LCoS device. Based on the features of holographic 3D imaging and focal depth, we enhance currently popular hologram calculation methods of 3D objects to improve the computing speed of hologram calculation. (C) 2014 Optical Society of America
Relation:	APPLIED OPTICS 卷: 53 期: 27 頁碼: G222-G231
Appears in Collections:	[Department of Electrical Engineering ] journal articles

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