Switchable holograms recorded in liquid crystalline monomers

Jian Zhang; Christopher R. Carlen; Susanna Palmer; Michael B. Sponsler

doi:10.1117/12.166309

20 January 1994 Switchable holograms recorded in liquid crystalline monomers

Jian Zhang, Christopher R. Carlen, Susanna Palmer, Michael B. Sponsler

Proceedings Volume 2042, Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects; (1994) https://doi.org/10.1117/12.166309
Event: Optics Quebec, 1993, Quebec City, Canada

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.

Citation Download Citation

Jian Zhang, Christopher R. Carlen, Susanna Palmer, and Michael B. Sponsler "Switchable holograms recorded in liquid crystalline monomers", Proc. SPIE 2042, Photopolymers and Applications in Holography, Optical Data Storage, Optical Sensors, and Interconnects, (20 January 1994); https://doi.org/10.1117/12.166309

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