Monday, October 18, 2010

Schlieren Texture of a Nematic Film

Schlieren Texture of a Nematic Film
Mon, 18 Oct 2010 09:10:57 -0500

Schlieren Texture of a Nematic Film

Schlieren Texture of a Nematic Film

Schlieren texture of a nematic film with surface point defects (boojums). This picture was taken under a polarization microscope with polarizer and analyzer crossed. From every point defect emerge four dark brushes. For these directions the director ...

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