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The appearance of microlenses in the amorphous crystal Ge33As12Se33 modulated by the acoustic waves with intensity of 107 W/m2 and frequency of (200–400) MHz is presented. The flexibility of microlens, i.e. the dependence of its focal point in 3D space on the parameters of acoustic wave is studied. Basing on flexibility of microlens, a model of acousto-optical tweezers to stretch the λ-phage WLC DNA...
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