Abstract
A dynamic focusing lens having a completely new mechanism that can be miniaturized and allow for a quick response has been developed. This lens is structured to directly transform tie lens shape as crystalline lens of human eyes. The lens comprises two thin glass diaphragms as a refracting surface, transparent working fluid sealed between them, and a micro actuator. When the actuator is driven to push or pull the glass diaphragm at the actuator side, the other glass diaphragm is transformed into the lens shape (convex lens or concave lens) having various curvatures. The dynamic focusing lens shows quick response up to 150 Hz, because the lens does not have rotating nor sliding mechanism which are usually used in conventional focusing mechanism.
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