Abstract
This paper reports a novel design of an electrically tunable asymmetrical liquid lens that can deflects optical beam by controlling the lens curvature through driving voltages, which can be integrated with axicon prisms for Optical coherent tomography (OCT) application. The property of the lens for light deflection can be accomplished using non-uniform driving voltages on different electrodes to manipulate the surface morphology of a hemi-spherical liquid lens into a ramp-shaped lens (RSL). A spot light shift of 0.9 cm (scanning angle of 4.76°) on a paper screen by actuating a 500 ?m liquid lens at 109.7volts and 5KHz on one electrode of the six was successfully demonstrated, while the lens one-side contact angle varied from 85°to 65° accordingly.