Trithiocarbonate-mediated free-radical photopolymerization: Improved uniformity in hologram recording

Lucas J. Tucker; Michael B. Sponsler

doi:10.1364/AO.45.006973

Trithiocarbonate-mediated free-radical photopolymerization: Improved uniformity in hologram recording

Lucas J. Tucker, Michael B. Sponsler

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A holographic material based on a photopolymerizable nematic acrylate was improved by the addition of the trithiocarbonate, EtO₂CCH ₂SC(S)SCH₂CO₂Et, increasing uniformity and reproducibility in the formation of electrically switchable holographic gratings. Diffraction efficiencies as high as 34%, the thingrating theoretical maximum, were achieved at large (10-14 μm) grating spacings. Improved diffraction efficiency was seen over a range of grating spacings (0.35-10 μm). The exposure window for grating formation was increased by an order of magnitude, resulting in much improved reproducibility.

Original language	English (US)
Pages (from-to)	6973-6976
Number of pages	4
Journal	Applied Optics
Volume	45
Issue number	27
DOIs	https://doi.org/10.1364/AO.45.006973
State	Published - Sep 20 2006

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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abstract = "A holographic material based on a photopolymerizable nematic acrylate was improved by the addition of the trithiocarbonate, EtO2CCH 2SC(S)SCH2CO2Et, increasing uniformity and reproducibility in the formation of electrically switchable holographic gratings. Diffraction efficiencies as high as 34%, the thingrating theoretical maximum, were achieved at large (10-14 μm) grating spacings. Improved diffraction efficiency was seen over a range of grating spacings (0.35-10 μm). The exposure window for grating formation was increased by an order of magnitude, resulting in much improved reproducibility.",

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AB - A holographic material based on a photopolymerizable nematic acrylate was improved by the addition of the trithiocarbonate, EtO2CCH 2SC(S)SCH2CO2Et, increasing uniformity and reproducibility in the formation of electrically switchable holographic gratings. Diffraction efficiencies as high as 34%, the thingrating theoretical maximum, were achieved at large (10-14 μm) grating spacings. Improved diffraction efficiency was seen over a range of grating spacings (0.35-10 μm). The exposure window for grating formation was increased by an order of magnitude, resulting in much improved reproducibility.

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Trithiocarbonate-mediated free-radical photopolymerization: Improved uniformity in hologram recording

Abstract

ASJC Scopus subject areas

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