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

Lucas J. Tucker, Michael Sponsler

Research output: Contribution to journalArticle

3 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)6973-6976
Number of pages4
JournalApplied Optics
Volume45
Issue number27
DOIs
StatePublished - Sep 20 2006

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Diffraction efficiency
Photopolymerization
Diffraction gratings
Holograms
Free radicals
free radicals
recording
gratings
Holographic gratings
spacing
acrylates
diffraction

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Trithiocarbonate-mediated free-radical photopolymerization : Improved uniformity in hologram recording. / Tucker, Lucas J.; Sponsler, Michael.

In: Applied Optics, Vol. 45, No. 27, 20.09.2006, p. 6973-6976.

Research output: Contribution to journalArticle

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