Soluble fullerene derivative in liquid crystal: polymer composites and their impact on photorefractive grating efficiency and resolution
Applied Optics, Vol. 48, Issue 10, pp. 1926-1931 (2009)
http://dx.doi.org/10.1364/AO.48.001926
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Abstract
By using soluble fullerene derivative [60]PCBM, we improved photorefractive efficiency in polymer– liquid crystal composites in comparison to previous works on similar materials. We show the effect of polymer network results in resolution and bandwidth improvements compared to pure liquid crystals. This is explained by the introduction of a charge trapping mechanism, providing a memory effect for the composite. Based on this effect, we propose an approach for designing composites with higher grating efficiency and resolution.
© 2009 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(160.3710) Materials : Liquid crystals
(160.5320) Materials : Photorefractive materials
(160.5470) Materials : Polymers
(190.5330) Nonlinear optics : Photorefractive optics
(160.3918) Materials : Metamaterials
ToC Category:
Materials
History
Original Manuscript: January 21, 2009
Revised Manuscript: March 11, 2009
Manuscript Accepted: March 11, 2009
Published: March 26, 2009
Citation
Alexey Denisov and Jean-Louis de Bougrenet de la Tocnaye, "Soluble fullerene derivative in liquid crystal: polymer composites and their impact on photorefractive grating efficiency and resolution," Appl. Opt. 48, 1926-1931 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-10-1926
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