Nonlinear Electrooptical Measurements in the Smectic-C$_{\alpha}^{*}$ Phase

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概要

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• We performed electrooptical measurements in the smectic-C$_{\alpha}^{*}$ (SmC$_{\alpha}^{*}$) phase of the antiferroelectric liquid crystal, 4-(1-methyl-heptyloxycarbonyl)phenyl 4-octylcarbonyloxybiphenyl-4-carboxylate (MHPOCBC), and showed that the frequency dispersion of the second-order electrooptic response strongly depends on the angle between the polarizer and the layer normal while that of the linear response does not. Usually in the SmC$_{\alpha}^{*}$ phase we can observe both the amplitude mode and the ferroelectric mode by second-order electrooptic spectroscopy. In a particular experimental condition, we succeeded in suppressing the ferroelectric mode contribution in the frequency dispersion spectrum and clearly observed only the amplitude mode. The results were discussed and analyzed on the basis of the phenomenological theory.

• 2003-01-15

著者

• Fajar Andika

  Department Of Applied Physics Graduate School Of Engineering Nagoya University

• Orihara Hiroshi

  Center For Integrated Research In Science And Engineering Nagoya University

• Bourny Valery

  Laboratoire De Physique De La Matiere Condensee University Of Picardie

• Orihara Hiroshi

  Center for Integrated Research in Science and Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

• Bourny Valéry

  Laboratoire de Physique de la Matiére Condensée, University of Picardie, 33 rue Saint-Leu, 80039 Amiens Cedex, France

• Fajar Andika

  Department of Applied Physics, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan

関連論文

• Electrooptic Measurement in the Vicinity of SmA-SmC^*_α Phase Transition of an Antiferroelectric Liquid Crystal
• Nonlinear Electrooptical Measurements in the Smectic-C^*_α Phase
• Nonlinear Electrooptical Measurements in the Smectic-C$_{\alpha}^{*}$ Phase

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