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Proceedings Paper

Improved index modulation and stability of photorefractive polymers using merocyanine dyes
Author(s): Klaus Meerholz; Reinhard Bittner; Yessica De Nardin; Christoph R. Braeuchle; Ruediger W. Wortmann; Frank Wuerthner
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Paper Abstract

Recently, donor-acceptor substituted methine chromophores with a large figure-of-merit for incorporation into photorefractive polymers with low glass-transition temperature have become available. However, their rather polar nature lead to aggregate formation and dipole cancellation, thus limiting their use in typical non-polar photoconducting matrices. By increasing the polarity of the matrix we were able to overcome this problem. The material we report shows unprecedented performance compared to previously known materials, is sufficiently resistant against phase separation, and operates in the NIR at typical wavelengths of commercially available high-power laser diodes.

Paper Details

Date Published: 23 October 1998
PDF: 8 pages
Proc. SPIE 3471, Xerographic Photoreceptors and Organic Photorefractive Materials IV, (23 October 1998); doi: 10.1117/12.328175
Show Author Affiliations
Klaus Meerholz, Univ. Muenchen (Germany)
Reinhard Bittner, Univ. Muenchen (Germany)
Yessica De Nardin, Univ. Muenchen (Germany)
Christoph R. Braeuchle, Univ. Muenchen (Germany)
Ruediger W. Wortmann, Univ. Mainz (Germany)
Frank Wuerthner, Univ. Ulm (Germany)


Published in SPIE Proceedings Vol. 3471:
Xerographic Photoreceptors and Organic Photorefractive Materials IV
Stephen Ducharme; James W. Stasiak; James W. Stasiak, Editor(s)

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