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Proceedings Article

Holograms in the extreme edge-illumination geometry

[+] Author Affiliations
Zane A. Coleman

De Montfort Univ. and Loughborough Univ. of Technology (United Kingdom)

Michael H. Metz

ImEdge Technology, Inc. (USA)

Nicholas J. Phillips

De Montfort Univ. (United Kingdom)

Proc. SPIE 2688, Holographic Materials II, 96 (April 22, 1996); doi:10.1117/12.238537
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From Conference Volume 2688

  • Holographic Materials II
  • T. John Trout
  • San Jose, CA | January 27, 1996

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.

© (1996) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Zane A. Coleman ; Michael H. Metz and Nicholas J. Phillips
"Holograms in the extreme edge-illumination geometry", Proc. SPIE 2688, Holographic Materials II, 96 (April 22, 1996); doi:10.1117/12.238537; http://dx.doi.org/10.1117/12.238537


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