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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 16 — Aug. 6, 2007
  • pp: 10175–10181

Optical characterization of polymer liquid crystal cell exhibiting polymer blue phases

Bao-Yan Zhang, Fan-Bao Meng, and Yue-Hua Cong  »View Author Affiliations


Optics Express, Vol. 15, Issue 16, pp. 10175-10181 (2007)
http://dx.doi.org/10.1364/OE.15.010175


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Abstract

The optical properties of polymer liquid crystal cell exhibiting polymer blue phases (PBPs) have been determined using ultraviolet-visible spectrophotometry, polarizing optical microscopy (POM), differential scanning calorimetry (DSC), X-ray measurements, FTIR imaging and optical rotation technique. PBPs are thermodynamically stabile mesophases, which appear in chiral systems between isotropic and liquid crystal phases. A series of cyclosiloxane-based blue phase polymers were synthesized using a cholesteric LC monomer and a nematic LC monomer, and some of the polymers exhibit PBPs in temperature range over 300 degrees in cooling cycles. The unique property based on their structure and different twists formed and expect to open up new photonic application and enrich polymer blue phase contents and theory.

© 2007 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(310.3840) Thin films : Materials and process characterization

ToC Category:
Materials

History
Original Manuscript: April 30, 2007
Revised Manuscript: June 29, 2007
Manuscript Accepted: July 5, 2007
Published: July 27, 2007

Citation
Bao-Yan Zhang, Fan-Bao Meng, and Yue-Hua Cong, "Optical characterization of polymer liquid crystal cell exhibiting polymer blue phases," Opt. Express 15, 10175-10181 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-16-10175


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