The opto-hydraulic laser (actuator) to direct transform the energy of solar radiation into mechanical vibrations is described. The device consists of a chamber with active liquid and optical fiber to deliver energy of light inside. As power supplier was used solar concentrator of diameter 300 mm. The vibration generation occurs owing to oscillation a single bubble emerged on the end of fiber in liquid. The model of self-organization of heat cycle by non-linear motion of the bubble is presented to describe main strokes of transformation of radiant energy into energy of mechanical vibrations.
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