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Proceedings Paper

Interdependence of volume shrinkage, spatial frequency, and mass transfer in relief gratings fabricated with self-processing photopolymers
Author(s): Celine Croutxe-Barghorn; Daniel-Joseph Lougnot
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Paper Abstract

Local changes in thickness occurring upon controlled exposure to light of photopolymers capable of storing optical information were investigated. The image that developed as a relief in the photosensitive layer exhibited a complete self-processing character because it did not require any chemical post-treatment. Special attention was given to the effect of the gradient of chemical composition, the volume shrinkage, the gradient of surface free energy leading to mass transfer during the generation of low frequency relief gratings. This imaging techniques provides a high flexibility as regards height and shape of the generated relief. It allows fabrication of both diffractive and refractive optical elements that come increasingly into prominence as the micro-opto-electro-mechanical field expands.

Paper Details

Date Published: 25 September 1998
PDF: 8 pages
Proc. SPIE 3417, Photopolymer Device Physics, Chemistry, and Applications IV, (25 September 1998); doi: 10.1117/12.323496
Show Author Affiliations
Celine Croutxe-Barghorn, Ecole Nationale Superieure de Chimie de Mulhouse (France)
Daniel-Joseph Lougnot, Ecole Nationale Superieure de Chimie de Mulhouse (France)


Published in SPIE Proceedings Vol. 3417:
Photopolymer Device Physics, Chemistry, and Applications IV
Roger A. Lessard, Editor(s)

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