Photorefractivity in polymer-stabilized liquid crystals films.

Conference · Fri May 08 00:00:00 EDT 1998

OSTI ID:10775

Wasielewski, M R

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.

• Research Organization: Argonne National Lab., IL (US)
• Sponsoring Organization: US Department of Energy (US)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 10775
• Report Number(s): ANL/CHM/CP-96402; TRN: AH200127%%336
• Resource Relation: Conference: 216th American Chemical Society National Meeting, Boston, MA (US), 08/23/1998--08/27/1998; Other Information: PBD: 8 May 1998
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BIREFRINGENCE
CHARGE TRANSPORT
LIQUID CRYSTALS
PERFORMANCE
POLYMERS
REDOX POTENTIAL
STABILIZATION
GRATINGS
REFRACTIVE INDEX