Study on the performance of eosin-doped poly(vinyl alcohol)/acrylamide photopolymer films for holographic recording using 488-nm wavelength

This article reports a study done on eosin-doped poly(vinyl alcohol)/acrylamide films for holographic recording using 488 nm Ar laser. Films were fabricated using gravity settling method at room temperature and were stored under normal laboratory conditions. Ar laser (488 nm) was used for fringe rec...

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Bibliographic Details
Published in:Optical Engineering 2011-12, Vol.50 (12), p.125802-125802
Main Authors: Rajesh, Chelakkal S, SreeRoop, Sasidharan S, Pramitha, Vayalamkuzhi, Sudha Kartha, Cheranellore, Joseph, Rani, Sreekumar, Krishnapillai
Format: Article
Language:English
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Summary:This article reports a study done on eosin-doped poly(vinyl alcohol)/acrylamide films for holographic recording using 488 nm Ar laser. Films were fabricated using gravity settling method at room temperature and were stored under normal laboratory conditions. Ar laser (488 nm) was used for fringe recording. Characterization was done by real time transmittance measurement, optical absorption studies, and diffraction efficiency measurements. Various holographic parameters such as exposure energy, recording power, spatial frequency, etc., were optimized so as to ensure maximum performance. More than 85% diffraction efficiency was obtained at an exposure energy of 50 mJ/cm in the optimized film. Efforts were taken to study the environmental stability of this self-developing polymeric material by looking at its shelf life and storage life. Compatibility for recording transmission hologram was also checked.
ISSN:0091-3286
1560-2303
DOI:10.1117/1.3660296