title: Full-color holographic diffuser using time-scheduled iterative exposure.
abstract: A compact wavelength multiplexing technique is proposed and experimentally investigated to improve the efficiency of a full-color holographic diffuser using photopolymer. The exposure responses of a monochromatic hologram and a three wavelength multiplexed hologram recorded in photopolymer film are presented. The time-scheduled exposure energies at wavelengths of 633, 532, and 473 nm were chosen to optimize the uniform diffraction efficiency of the wavelength multiplexed hologram. These three wavelength iterative sequences of exposures are applied to achieve a specific color balance for a multicolor holographic diffuser. The experimental results confirm that the fabrication method is well suited to the manufacture of holographic diffusers for full-color display applications.
authors.forename: Mei-Lan
authors.initials: ML
authors.lastname: Piao
authors.forename: Ki-Chul
authors.initials: KC
authors.lastname: Kwon
authors.forename: Hoon-Jong
authors.initials: HJ
authors.lastname: Kang
authors.forename: Kwon-Yeon
authors.initials: KY
authors.lastname: Lee
authors.forename: Nam
authors.initials: N
authors.lastname: Kim