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Proceedings Paper

Properties of compositional volume grating formation with photoinitiated cationic-ring-opening polymerization
Author(s): Loukas Paraschis; Yasuyuki Sugiyama; Annapoorna Akella; Tokuyuki Honda; Lambertus Hesselink
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Paper Abstract

We investigated compositional volume grating formation in the Polaroid medium that utilizes the cationic-ring-opening photoinitiated polymerization process, and compared our conclusions with the current physical model describing polymer holographic recording. We identified the effects of diffusion and polymerization during illumination, as well as significant postexposure grating development. Holographic recording in this medium allows for final strong gratings with high recording sensitivity (S approximately 2 cm/mJ), that were not limited at the higher recording intensities (I less than or equal to 250 mW/cm2) corresponding to photon (exposure) limited recording. The results of the present analysis allow for more comprehensive physical description of grating formation in the photoinitiated CROP process, and evaluation of the polymer recording process in a nonvolatile holographic storage system.

Paper Details

Date Published: 5 November 1998
PDF: 7 pages
Proc. SPIE 3468, Advanced Optical Memories and Interfaces to Computer Storage, (5 November 1998); doi: 10.1117/12.330437
Show Author Affiliations
Loukas Paraschis, Stanford Univ. (United States)
Yasuyuki Sugiyama, Stanford Univ. (Japan)
Annapoorna Akella, Stanford Univ. (United States)
Tokuyuki Honda, Stanford Univ. (United States)
Lambertus Hesselink, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 3468:
Advanced Optical Memories and Interfaces to Computer Storage
Pericles A. Mitkas; Zameer U. Hasan, Editor(s)

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