Holograms in the extreme edge-illumination geometry

Zane A. Coleman; Michael H. Metz; Nicholas J. Phillips

doi:10.1117/12.238537

22 April 1996 Holograms in the extreme edge-illumination geometry

Zane A. Coleman, Michael H. Metz, Nicholas J. Phillips

Proceedings Volume 2688, Holographic Materials II; (1996) https://doi.org/10.1117/12.238537
Event: Photonics West '96, 1996, San Jose, CA, United States

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 OmniDex^TM 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.

Citation Download Citation

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

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