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The structure of spherical droplets of nematic and cholesteric materials floating in an isotropic liquid is experimentally investigated by microscopic observation with polarized light. In nematic droplets either a star configuration or a bipolar configuration have been observed depending on the nature of the isotropic liquid. Cholesteric droplets adopt a spiral shaped structure whenever the radius of the droplet is much larger than the helical pitch. Changes in optical patterns induced by a magnetic field are analysed.
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Candau et al. (1973) studied this question.
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