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Optical Engineering

Study on the performance of eosin-doped poly(vinyl alcohol)/acrylamide photopolymer films for holographic recording using 488-nm wavelength
Author(s): Chelakkal Sukumaran Rajesh; Sasidharan S. SreeRoop; Vayalamkuzhi Pramitha; Cheranellore Sudha Kartha; Rani Joseph; Krishnapillai Sreekumar
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Paper Abstract

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/cm2 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.

Paper Details

Date Published: 1 December 2011
PDF: 10 pages
Opt. Eng. 50(12) 125802 doi: 10.1117/1.3660296
Published in: Optical Engineering Volume 50, Issue 12
Show Author Affiliations
Chelakkal Sukumaran Rajesh, Cochin Univ. of Science & Technology (India)
Sasidharan S. SreeRoop, Cochin Univ. of Science & Technology (India)
Vayalamkuzhi Pramitha, Cochin Univ. of Science & Technology (India)
Cheranellore Sudha Kartha, Cochin Univ. of Science & Technology (India)
Rani Joseph, Cochin Univ. of Science & Technology (India)
Krishnapillai Sreekumar, Cochin Univ. of Science & Technology (India)

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