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http://dx.doi.org/10.3807/JOSK.2008.12.4.319

Phase Contrast Projection Display Using Photopolymer  

Piao, Mei-Lan (School of Electrical & Computer Engineering, Chungbuk National University)
Kim, Nam (School of Electrical & Computer Engineering, Chungbuk National University)
Park, Jae-Hyeung (School of Electrical & Computer Engineering, Chungbuk National University)
Publication Information
Journal of the Optical Society of Korea / v.12, no.4, 2008 , pp. 319-325 More about this Journal
Abstract
We propose a phase contrast filter using photopolymer, for the phase contrast projection display. The photopolymer has high photosensitivity such that its optically induced refractive index change has a linear dependency on the illuminating light intensity. We implemented a phase contrast projection display using photopolymer as a phase contrast filter. By controlling the refractive index change of the photopolymer, we successfully convert an input phase image into a high contrast intensity image. We also investigated the effect of the photopolymer illumination condition on the quality of the displayed intensity image. As a projector, we achieved 82% phase to intensity conversion efficiency, which implies that the proposed method can potentially have much higher light efficiency than conventional projection display.
Keywords
Photopolymer; Phase contrast; Projector; High light efficiency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By Web Of Science : 2  (Related Records In Web of Science)
Times Cited By SCOPUS : 2
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