Investigation of Polar Order in Liquid Crystals of Nonchiral, Banana Shaped Molecules By Second Harmonic Generation

R. Macdonald Optisches Institut TU Berlin, Strasse des 17. Juni 135, D-10623, Berlin, Germany

F. Kentischer Optisches Institut TU Berlin, Strasse des 17. Juni 135, D-10623, Berlin, Germany

P. Warnick Optisches Institut TU Berlin, Strasse des 17. Juni 135, D-10623, Berlin, Germany

G. Heppke I.-N.-Stranski Institut TU Berlin, Strasse des 17. Juni 135, D-10623, Berlin, Germany

Abstract

Several homologues of new liquid crystals of nonchiral, banana shaped molecules are investigated by generation of the second harmonic (SHG) of an optical wave. Symmetry properties of the apparent thermodynamic phases are studied and first quantitative values of the nonlinear optical coefficients are given.

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Investigation of Polar Order in Liquid Crystals of Nonchiral, Banana Shaped Molecules By Second Harmonic Generation

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Investigation of Polar Order in Liquid Crystals of Nonchiral, Banana Shaped Molecules By Second Harmonic Generation

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