Fourier-transform-based interferometric technique for measuring the elastic anisotropy of a dye-doped liquid crystal

Domenico De Feo; Sergio De Nicola; Pietro Ferraro; Pasqualino Maddalena; Domenico Paparo; Giovanni Pierattini

doi:10.1117/12.373673

29 December 1999 Fourier-transform-based interferometric technique for measuring the elastic anisotropy of a dye-doped liquid crystal

Domenico De Feo, Sergio De Nicola, Pietro Ferraro, Pasqualino Maddalena, Domenico Paparo, Giovanni Pierattini

Author Affiliations +

Proceedings Volume 4016, Photonics, Devices, and Systems; (1999) https://doi.org/10.1117/12.373673
Event: Photonics Prague '99, 1999, Prague, Czech Republic

Abstract

In this paper we describe an interferometric technique based on high precision 2D spatial fringe analysis Fourier method for measuring the elastic constant of nematic liquid crystals. Since the determination of the elastic anisotropy relies on the measurement of the ratios between the elastic constants, this technique provides a powerful and high accuracy method for characterizing nematic liquid crystals.

Citation Download Citation

Domenico De Feo, Sergio De Nicola, Pietro Ferraro, Pasqualino Maddalena, Domenico Paparo, and Giovanni Pierattini "Fourier-transform-based interferometric technique for measuring the elastic anisotropy of a dye-doped liquid crystal", Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); https://doi.org/10.1117/12.373673

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