The Research of a Variable-Focus Ultrasonic Liquid Lens

Yu Wang; Wei Wang; Xu Zhou; Fu Long Zhai

doi:10.4028/www.scientific.net/AMM.598.371

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 598The Research of a Variable-Focus Ultrasonic Liquid...

The Research of a Variable-Focus Ultrasonic Liquid Lens

Abstract:

In this paper, a variable-focus ultrasonic liquid lens controlled by the external voltage is demonstrated. That is, the liquid lens can be reshaped with the external voltage, which will cause the focal length to change. The relationship between liquid lens’ shape and the control voltage was obtained. The influence factors of the response time were researched. And the distribution of the ultrasonic field after the lens under different external control voltages was simulated.