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Proceedings Paper

Optical characteristics of holographic input-beam coupler using a photopolymer
Author(s): Chang Won Shin; Jung Hoi Kim; Nam Kim; Dong Woo Suh; Mun Cheol Paek; Yeung Joon Sohn; Hee Sook Chung; Kwang Yong Kang
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Paper Abstract

Holographic gratings with asymmetric structure are widely used to couple light into and out of waveguides due to their high diffraction efficiencies and planar packaging. In this paper, a holographic grating coupler based on the photopolymer has been designed and experimentally demonstrated at wavelength of 405nm. To achieve the high diffraction efficiencies in the structure, we investigated the optical properties of the coupler according to the exposure energy at the 405nm wavelength. In the holographic recording for the asymmetrical geometry, we researched the optical characteristics of the Dupont photopolymer HRF150-38 as the correction of the Bragg angles shift because of shrinkage factor and the diffraction efficiency. The performance and the optical characteristics of the coupler using volume holographic grating will discussed in detail.

Paper Details

Date Published: 27 February 2006
PDF: 9 pages
Proc. SPIE 6136, Practical Holography XX: Materials and Applications, 61360Z (27 February 2006); doi: 10.1117/12.645710
Show Author Affiliations
Chang Won Shin, Prism Technology Inc. (South Korea)
Jung Hoi Kim, Prism Technology Inc. (South Korea)
Nam Kim, Chungbuk National Univ. and Computer-Information Communication Research Institute (South Korea)
Dong Woo Suh, Electronics and Telecommunications Research Institute (South Korea)
Mun Cheol Paek, Electronics and Telecommunications Research Institute (South Korea)
Yeung Joon Sohn, Electronics and Telecommunications Research Institute (South Korea)
Hee Sook Chung, Electronics and Telecommunications Research Institute (South Korea)
Kwang Yong Kang, Electronics and Telecommunications Research Institute (South Korea)


Published in SPIE Proceedings Vol. 6136:
Practical Holography XX: Materials and Applications
Hans I. Bjelkhagen; Roger A. Lessard, Editor(s)

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