Highly efficient holographic materials based on polymer liquid crystals

Kunihiko Okano; Atsushi Shishido; Osamu Tsutsumi; Takeshi Shiono; Tomiki Ikeda

doi:10.1142/S0218863503001638

Highly efficient holographic materials based on polymer liquid crystals

Kunihiko Okano, Atsushi Shishido, Osamu Tsutsumi, Takeshi Shiono, Tomiki Ikeda

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Formation of gratings by means of the photoinduced alignment change of polymer liquid crystals (PLCs) has been explored in a glassy state. To obtain high diffraction efficiency (η), we synthesized highly birefringent PLCs containing an azobenzene group directly connected with a tolane moiety (3ATm), in which the alkyl spacer length (CHa)m was varied as m = 6, 9 and 12. It was found that the values of birefringence in all the PLCs were about 0.4. The behaviors of the photoinduced alignment change and the formation of gratings were found to be dependent on the alkyl spacer length of 3ATm.

Original language	English
Pages (from-to)	539-546
Number of pages	8
Journal	Journal of Nonlinear Optical Physics and Materials
Volume	12
Issue number	4
DOIs	https://doi.org/10.1142/S0218863503001638
Publication status	Published - 2003 Dec
Externally published	Yes

Keywords

Alignment change
Azobenzene
Holography
Photochemical reaction
Polymer liquid crystal

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physics and Astronomy (miscellaneous)

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10.1142/S0218863503001638

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title = "Highly efficient holographic materials based on polymer liquid crystals",

abstract = "Formation of gratings by means of the photoinduced alignment change of polymer liquid crystals (PLCs) has been explored in a glassy state. To obtain high diffraction efficiency (η), we synthesized highly birefringent PLCs containing an azobenzene group directly connected with a tolane moiety (3ATm), in which the alkyl spacer length (CHa)m was varied as m = 6, 9 and 12. It was found that the values of birefringence in all the PLCs were about 0.4. The behaviors of the photoinduced alignment change and the formation of gratings were found to be dependent on the alkyl spacer length of 3ATm.",

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T1 - Highly efficient holographic materials based on polymer liquid crystals

AU - Okano, Kunihiko

AU - Shishido, Atsushi

AU - Tsutsumi, Osamu

AU - Shiono, Takeshi

AU - Ikeda, Tomiki

PY - 2003/12

Y1 - 2003/12

N2 - Formation of gratings by means of the photoinduced alignment change of polymer liquid crystals (PLCs) has been explored in a glassy state. To obtain high diffraction efficiency (η), we synthesized highly birefringent PLCs containing an azobenzene group directly connected with a tolane moiety (3ATm), in which the alkyl spacer length (CHa)m was varied as m = 6, 9 and 12. It was found that the values of birefringence in all the PLCs were about 0.4. The behaviors of the photoinduced alignment change and the formation of gratings were found to be dependent on the alkyl spacer length of 3ATm.

AB - Formation of gratings by means of the photoinduced alignment change of polymer liquid crystals (PLCs) has been explored in a glassy state. To obtain high diffraction efficiency (η), we synthesized highly birefringent PLCs containing an azobenzene group directly connected with a tolane moiety (3ATm), in which the alkyl spacer length (CHa)m was varied as m = 6, 9 and 12. It was found that the values of birefringence in all the PLCs were about 0.4. The behaviors of the photoinduced alignment change and the formation of gratings were found to be dependent on the alkyl spacer length of 3ATm.

KW - Alignment change

KW - Azobenzene

KW - Holography

KW - Photochemical reaction

KW - Polymer liquid crystal

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Highly efficient holographic materials based on polymer liquid crystals

Abstract

Keywords

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