Scanning near-field optical microscopy of cholesteric liquid crystals

Thomas R Huser; Thilo Lacoste; Harry Heinzelmann; Heinz Siegfried Kitzerow

Scanning near-field optical microscopy of cholesteric liquid crystals

Thomas R Huser, Thilo Lacoste, Harry Heinzelmann, Heinz Siegfried Kitzerow

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

Abstract

We have studied glasslike cholesteric liquid crystals by means of scanning near-field optical microscopy. A periodic modulation of the optical polarization was used in order to achieve an optical contrast due to the birefringence of the liquid crystal. Variation of the cholesteric pitch indicates an optical resolution of ≈200 nm for a wavelength of 633 nm.

Original language	English (US)
Pages (from-to)	7876-7880
Number of pages	5
Journal	Journal of Chemical Physics
Volume	108
Issue number	18
State	Published - May 8 1998
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Scanning near-field optical microscopy of cholesteric liquid crystals",

abstract = "We have studied glasslike cholesteric liquid crystals by means of scanning near-field optical microscopy. A periodic modulation of the optical polarization was used in order to achieve an optical contrast due to the birefringence of the liquid crystal. Variation of the cholesteric pitch indicates an optical resolution of ≈200 nm for a wavelength of 633 nm.",

author = "Huser, {Thomas R} and Thilo Lacoste and Harry Heinzelmann and Kitzerow, {Heinz Siegfried}",

year = "1998",

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AU - Lacoste, Thilo

AU - Heinzelmann, Harry

AU - Kitzerow, Heinz Siegfried

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Y1 - 1998/5/8

N2 - We have studied glasslike cholesteric liquid crystals by means of scanning near-field optical microscopy. A periodic modulation of the optical polarization was used in order to achieve an optical contrast due to the birefringence of the liquid crystal. Variation of the cholesteric pitch indicates an optical resolution of ≈200 nm for a wavelength of 633 nm.

AB - We have studied glasslike cholesteric liquid crystals by means of scanning near-field optical microscopy. A periodic modulation of the optical polarization was used in order to achieve an optical contrast due to the birefringence of the liquid crystal. Variation of the cholesteric pitch indicates an optical resolution of ≈200 nm for a wavelength of 633 nm.

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