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Proceedings Paper

Optical detection of organic vapors using gratings in photopolymers
Author(s): A. Nicolai; El Mehdi El Joudi; Peter Dress; R. P. Podgorsek; K. Pfeiffer; Hilmar Franke
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Paper Abstract

This polymer films are known to interact with organic vapors via absorption or diffusion. In photosensitive polymers the surface properties as well as the free volume of the polymer may be changed by light exposure. In holographic gratings exposed and unexposed microregions are present next to each other. If both regions interact in a different way with the vapor molecules a change in the diffraction efficiency of the grating should occur as a function of the vapor concentration.For 2 different photopolymer systems we will investigate the use of holographic gratings for the optical vapor detection.

Paper Details

Date Published: 22 September 1997
PDF: 9 pages
Proc. SPIE 3135, Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications, (22 September 1997); doi: 10.1117/12.284104
Show Author Affiliations
A. Nicolai, Gerhard-Mercator-Univ.-Gesamthochschule Duisburg (Germany)
El Mehdi El Joudi, Gerhard-Mercator-Univ.-Gesamthochschule Duisburg (Germany)
Peter Dress, Gerhard-Mercator-Univ.-Gesamthochschule Duisburg (Germany)
R. P. Podgorsek, Gerhard-Mercator-Univ.-Gesamthochschule Duisburg (Germany)
K. Pfeiffer, ACA Berlin (Germany)
Hilmar Franke, Gerhard-Mercator-Univ.-Gesamthochschule Duisburg (Germany)

Published in SPIE Proceedings Vol. 3135:
Precision Plastic Optics for Optical Storage, Displays, Imaging, and Communications
Werner F. Frank, Editor(s)

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