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Proceedings Paper

Holograms in the extreme edge-illumination geometry
Author(s): Zane A. Coleman; Michael H. Metz; Nicholas J. Phillips
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Paper Abstract

The recording of holograms in which the reference beam enters through the supporting substrate involves attenuation factors which differ strongly between signal and reference. This paper addresses the issue of fringe contrast under these extreme conditions and provides quantitative data that are indicative of at least a partial solution to the problem. We define a spatial average for the fringe contrast and offer results which follow our theoretical model for Du Pont OmniDexTM photopolymers. The direct edge referenced technique for recording is re-visited with observation of a new phenomenon which we call self-induced index matching. An alternative fringe recording geometry is proposed and compared with direct recording.

Paper Details

Date Published: 22 April 1996
PDF: 13 pages
Proc. SPIE 2688, Holographic Materials II, (22 April 1996); doi: 10.1117/12.238537
Show Author Affiliations
Zane A. Coleman, De Montfort Univ. and Loughborough Univ. of Technology (United Kingdom)
Michael H. Metz, ImEdge Technology, Inc. (United States)
Nicholas J. Phillips, De Montfort Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 2688:
Holographic Materials II
T. John Trout, Editor(s)

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