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Proceedings Paper

Charge-injecting layers for liquid crystal light valves
Author(s): Neil Collings; Timothy David Wilkinson; Anna Jeziorska; A. B. Davey; Bijan Movaghar; William A. Crossland
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Paper Abstract

A light valve is a key component for optical signal processing. A liquid crystal layer is activated by light due to a proximate photoconducting layer. Contemporary commercial light valves are made with an amorphous silicon photoconducting layer which offers an impedance change between light and dark states of up to three orders of magnitude. One drawback of using amorphous silicon is that the resolution of the valve is limited by lateral photocharge spreading. We hope to overcome this by using thin organic photoconducting layers.

Paper Details

Date Published: 8 September 2004
PDF: 7 pages
Proc. SPIE 5464, Organic Optoelectronics and Photonics, (8 September 2004); doi: 10.1117/12.548644
Show Author Affiliations
Neil Collings, Univ. of Cambridge (United Kingdom)
Timothy David Wilkinson, Univ. of Cambridge (United Kingdom)
Anna Jeziorska, Univ. of Cambridge (United Kingdom)
A. B. Davey, Univ. of Cambridge (United Kingdom)
Bijan Movaghar, Univ. of Leeds (United Kingdom)
William A. Crossland, Univ. of Cambridge (United Kingdom)


Published in SPIE Proceedings Vol. 5464:
Organic Optoelectronics and Photonics
Paul L. Heremans; Michele Muccini; Hans Hofstraat, Editor(s)

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