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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Proceedings > Item 987654321/18312

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/18312

Title:	Holographic Optical Elements Based on Edge-lit Holograms
Authors:	Su, Wei-Chia;Tsai, Ming-Hsun;Lin, Hiu-Tzu
Contributors:	光電科技研究所
Keywords:	Beam shaping;Edge-lit holograms;Holographic optical element;Light illumination
Date:	2012-04
Issue Date:	2014-04-01T04:01:42Z
Publisher:	Society of Photo-Optical Instrumentation Engineers (SPIE)
Abstract:	A holographic optical element (HOE) simultaneously accompanied with light guiding and beam shaping function is implemented with edge-lit holograms in this study. This holographic optical element is generated in a polymer-dispersed- liquid-crystal (PDLC) film with 20μm thickness. In the holographic reconstruction process of the HOE, the wavefronts emitted from the light source will propagate to the HOE and a quasi collimation diffraction beam can be obtained from this device. We demonstrate two applications of edge-lit HOE in this study. One demonstration is a head-mounted display (HMD) system, and the other is an illumination device for display holograms.
Relation:	Proceedings of SPIE - The International Society for Optical Engineering, 8429: Article number 842920
Appears in Collections:	[Graduate Institute of Photonics Technologies] Proceedings

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