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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 13 — Jul. 1, 2010
  • pp: 2155–2157

Optically controlled transmission of porous polyethylene terephthalate films filled with nematic liquid crystal

Denis Semerenko, Dina Shmeliova, Sergey Pasechnik, Anatolii Murauskii, Valentin Tsvetkov, and Vladimir Chigrinov  »View Author Affiliations


Optics Letters, Vol. 35, Issue 13, pp. 2155-2157 (2010)
http://dx.doi.org/10.1364/OL.35.002155


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Abstract

We investigated the influence of blue light ( λ = 450 nm ) on the optical properties of porous polyethylene terephthal ate (PET) films filled with a nematic liquid crystal (E7). In experiments, films of 12 μm thickness with randomly distributed open-end pores of well-defined diameters (170, 400, 850 nm ) were studied. It was found that blue-light illumination of the porous PET films preliminarily treated by an azo dye solution resulted in strong intensity changes when the He–Ne laser beam passed through the sample. The observed effect can be attributed to the heating caused by the absorption of blue light by azo dye molecules.

© 2010 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.3710) Materials : Liquid crystals
(160.4760) Materials : Optical properties

ToC Category:
Materials

History
Original Manuscript: March 24, 2010
Revised Manuscript: April 28, 2010
Manuscript Accepted: May 20, 2010
Published: June 18, 2010

Citation
Denis Semerenko, Dina Shmeliova, Sergey Pasechnik, Anatolii Murauskii, Valentin Tsvetkov, and Vladimir Chigrinov, "Optically controlled transmission of porous polyethylene terephthalate films filled with nematic liquid crystal," Opt. Lett. 35, 2155-2157 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-13-2155


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