Supra-photorefractivity of C60- and Carbon Nanotube- doped Nematic Liquid Crystals

I. C. Khoo, Yana Zhang, A. Diaz, J. Ding, K. Chen

Research output: Contribution to journalConference articlepeer-review


We report theoretical and experimental studies of supra-photorefractive nematic liquid crystals doped with C60 and/or Carbon nanotubes. Theoretical estimate shows that the nonlinear refractive index change coefficient n 2 in such systems can be ≫ 1 cm2/Watt. Experimentally, we have observed n2 of ∼ 10 cm2/W, with typical nematic response times.

Original languageEnglish (US)
Pages (from-to)147-153
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventLiquid Crystals VII - San Diego, CA, United States
Duration: Aug 5 2003Aug 7 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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