title: Reflection-type integral imaging system using a diffuser holographic optical element.
abstract: A reflection-type integral imaging (InIm) system using a diffuser holographic optical element (DHOE) is proposed for improving the fill factor of displayed three-dimensional images. The DHOE performs an optical function similar to that for a conventional diffuser only for Bragg matched light, while Bragg mismatched light passes through the DHOE. Elemental images projected under Bragg matching condition are scattered by the DHOE. Meanwhile, light reflected by a concave mirror-array becomes Bragg mismatched light, and is integrated into three-dimensional images without the fill factor problem. The optical characteristics of the DHOE are examined by measuring diffraction efficiencies, and the feasibility of the fill-factor-improved InIm is verified by a concave mirror-array and DHOE.
authors.forename: Jiwoon
authors.initials: J
authors.lastname: Yeom
authors.forename: Jinsoo
authors.initials: J
authors.lastname: Jeong
authors.forename: Changwon
authors.initials: C
authors.lastname: Jang
authors.forename: Keehoon
authors.initials: K
authors.lastname: Hong
authors.forename: Soon-Gi
authors.initials: SG
authors.lastname: Park
authors.forename: Byoungho
authors.initials: B
authors.lastname: Lee
mesh_terms: D004058:Diffusion; D006696:Holography / Q000295:instrumentation*; D021621:Imaging, Three-Dimensional / Q000295:instrumentation*; D055620:Optical Phenomena