Photorefractivity in polymer-stabilized liquid crystals films.

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Description

We have shown that PSLCs are capable of forming photorefractive gratings that operate in the thick grating regime. Polymer stabilization alters the charge transport and trapping characteristics of LCs, resulting in longer lived gratings, while maintaining the advantages of high orientational birefringence within LCs. Furthermore, very low applied electric fields (800 V/cm) and low optical intensities (100 mW/cm{sup 2}) are required to create large photorefractive effects in these materials. It is expected that optimization of the redox potentials of the chromophores within the PSLCs will continue to improve the performance of these materials.

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4 p.

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Wasielewski, M. R. May 8, 1998.

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Description

We have shown that PSLCs are capable of forming photorefractive gratings that operate in the thick grating regime. Polymer stabilization alters the charge transport and trapping characteristics of LCs, resulting in longer lived gratings, while maintaining the advantages of high orientational birefringence within LCs. Furthermore, very low applied electric fields (800 V/cm) and low optical intensities (100 mW/cm{sup 2}) are required to create large photorefractive effects in these materials. It is expected that optimization of the redox potentials of the chromophores within the PSLCs will continue to improve the performance of these materials.

Physical Description

4 p.

Notes

OSTI as DE00010775

Medium: P; Size: 4 pages

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  • 216th American Chemical Society National Meeting, Boston, MA (US), 08/23/1998--08/27/1998

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  • Report No.: ANL/CHM/CP-96402
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10775
  • Archival Resource Key: ark:/67531/metadc626604

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  • May 8, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 10, 2017, 7:59 p.m.

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Wasielewski, M. R. Photorefractivity in polymer-stabilized liquid crystals films., article, May 8, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc626604/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.