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- Chiral dopants; Cholesteric liquid crystals; Photosensitive cholesteric liquid crystals; Photosensitive chiral nematic colloids and suspensions; Cholesteric diffraction gratings.
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- Lehmann-type effects (dissolution of the chiral dopants in the nematic and cholesteric droplet); Rotation of single crystals of chiral (or non-chiral) dopants at the top of a nematic (cholesteric and blue phase) droplet.
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- Blue phases; Blue phase of polymer-stabilized cholesteric liquid crystals.
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- Uniform lying helix (ULH).
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- Hybrid photorefractive/liquid crystal cells (CdTe-LC-CdTe); Liquid crystal light valve (based on the photoconductive GaAs substrate).
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- Photoalignment of the nematic liquid crystals; Contact angle and wetting of liquid crystals on photoaligning surfaces.
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- The alignment of nematic liquid crystals by layers processed by means of the laser-induced periodic surface structuring (LIPSS).
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- Studies of nemanic twist-bend phases (Ntb).
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- Studies of ferroelectric nemanic phases (NF).
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Spectroscopy:
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- Photoisomerization of provitamin D; UV-biodosimetry.
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- Ozone hole in Antarctica (Dobson ozone spectrophotometer).
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