Effects of photocrosslinking on photorefractive properties in polymer-liquid crystal composites

Ono, Hiroshi; Hasebe, Ryoya; Sasaki, Tomoyuki; Noda, Kohei; Kawatsuki, Nobuhiro

doi:10.1007/s00339-013-7983-x

Cited by 2 publications

(1 citation statement)

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“…17) Furthermore, we have fabricated several types of blazed vector gratings, in which optical axes are antisymmetrically modulated. 18) These gratings were designed for highly controlling the polarization states of the diffracted beam.…”

Section: Introductionmentioning

confidence: 99%

Blazed vector grating liquid crystal cells with photocrosslinkable polymeric alignment films fabricated by one-step polarizer rotation method

Kawai

Kuzuwata

Sasaki

et al. 2014

Jpn. J. Appl. Phys.

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Blazed vector grating liquid crystal (LC) cells, in which the directors of low-molar-mass LCs are antisymmetrically distributed, were fabricated by one-step exposure of an empty glass cell inner-coated with a photocrosslinkable polymer LC (PCLC) to UV light. By adopting a LC cell structure, twisted nematic (TN) and homogeneous (HOMO) alignments were obtained in the blazed vector grating LC cells. Moreover, the diffraction efficiency of the blazed vector grating LC cells was greatly improved by increasing the thickness of the device in comparison with that of a blazed vector grating with a thin film structure obtained in our previous study. In addition, the diffraction efficiency and polarization states of +1st-order diffracted beams from the resultant blazed vector grating LC cells were controlled by designing a blazed pattern in the alignment films, and these diffraction properties were well explained on the basis of Jones calculus and the elastic continuum theory of nematic LCs.

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Section: Introductionmentioning

confidence: 99%