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Peculiar behaviour of holographic gratings in light-sensitive liquid-crystalline elastomers (CROSBI ID 677765)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Bošnjaković, Dejan Čopič, Martin Domenici, Valentina Sánchez-Ferrer, Antoni Drevenšek Olenik, Irena Peculiar behaviour of holographic gratings in light-sensitive liquid-crystalline elastomers // Book of abstracts and conference program / 45th German Liquid Crystal Conference, 21.-23. 03. 2018, University of Luxembourg. Luxembourg, 2018. str. 19-19

Podaci o odgovornosti

Bošnjaković, Dejan Čopič, Martin Domenici, Valentina Sánchez-Ferrer, Antoni Drevenšek Olenik, Irena

engleski

Peculiar behaviour of holographic gratings in light-sensitive liquid-crystalline elastomers

Light-sensitive liquid crystalline elastomers (LS-LCEs) are optical holographic materials with many intriguing properties. Light-induced modifications of refractive index are several orders of magnitude larger than in conventional light-sensitive elastomers [1-4]. Holographic patterning process is very nonlinear, which allows an intricate control over the 3D spatial structuring. The associated effects are particularly interesting in the temperature region close to the nematic-paranematic phase transition, where phenomena, like recording of hidden holograms and hologram dark-enhancement effect can be observed [5]. LS-LCEs are also very efficient for recording of optical polarization gratings that are fabricated on the basis of the variation of polarization state of the optical field. In the vicinity of the Bragg angle such gratings exhibit an unusual splitting of the diffraction peak [6]. Very interesting behaviour appears also during mechanical stretching of the gratings, particularly along the direction of the soft elasticity, for which a synergetic correlation between the grating structure and the formation of reorientational domains can take place.

holographic gratings / liquid crystals / liquid crystalline elastomers

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Podaci o prilogu

19-19.

2018.

objavljeno

Podaci o matičnoj publikaciji

Book of abstracts and conference program / 45th German Liquid Crystal Conference, 21.-23. 03. 2018, University of Luxembourg

Luxembourg:

Podaci o skupu

45th German Liquid Crystal Conference

predavanje

21.03.2018-23.03.2018

Luksemburg

Povezanost rada

Fizika