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Proceedings Article

Neutron diffraction from holographic polymer-dispersed liquid crystals

[+] Author Affiliations
I. Drevensek-Olenik

Univ. of Ljubljana (Slovenia)

M. A. Ellabban, M. Fally

Univ. of Vienna (Austria)

K. P. Pranzas, J. Vollbrandt

GKSS Research Ctr. (Germany)

Proc. SPIE 6587, Liquid Crystals and Applications in Optics, 65870F (May 09, 2007); doi:10.1117/12.722821
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From Conference Volume 6587

  • Liquid Crystals and Applications in Optics
  • Milada Glogarova; Peter Palffy-Muhoray; Martin Copic
  • Prague, Czech Republic | April 16, 2007

abstract

Photopolymerization-induced phase separation of the constituent components in holographic polymer-dispersed liquid crystals (H-PDLCs) causes a huge variation of the refractive index for light as well as for neutrons. We demonstrated that H-PDLCs with the thickness of only 30 micrometers act as extremely efficient gratings for neutrons. The lightinduced refractive-index modulation for neutrons of about 10-6 was observed, which is nearly two orders of magnitude larger than found in the best photo-neutron-refractive materials probed up to now. This makes H-PDLCs very promising candidate for fabricating neutron-optical devices.

© (2007) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

I. Drevensek-Olenik ; M. A. Ellabban ; M. Fally ; K. P. Pranzas and J. Vollbrandt
"Neutron diffraction from holographic polymer-dispersed liquid crystals", Proc. SPIE 6587, Liquid Crystals and Applications in Optics, 65870F (May 09, 2007); doi:10.1117/12.722821; http://dx.doi.org/10.1117/12.722821


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