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Proceedings Paper

Switchable holograms recorded in liquid crystalline monomers
Author(s): Jian Zhang; Christopher R. Carlen; Susanna Palmer; Michael B. Sponsler
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Paper Abstract

Holographic gratings recorded by photopolymerization of liquid crystalline monomers have been immediately and reversibly developed, or switched, by application of electric fields. Diffraction efficiency modulation has exceeded 200-fold, with maximum efficiency about 13% in the on state for 10 micrometers samples. Fixing of the holograms in the more efficient state has been accomplished by short exposure to a single writing beam. Microscopic images of the switching gratings recorded on videotape have provided information about grating structure and supported our proposed mechanism for the recording and switching effects.

Paper Details

Date Published: 20 January 1994
PDF: 10 pages
Proc. SPIE 2042, Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects, (20 January 1994); doi: 10.1117/12.166309
Show Author Affiliations
Jian Zhang, Syracuse Univ. (United States)
Christopher R. Carlen, Syracuse Univ. (United States)
Susanna Palmer, Syracuse Univ. (United States)
Michael B. Sponsler, Syracuse Univ. (United States)


Published in SPIE Proceedings Vol. 2042:
Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects
Roger A. Lessard, Editor(s)

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