Manufacturing method for controllable focal length liquid lens array
A technology of a liquid lens and a manufacturing method, which is applied in the directions of lenses, optics, instruments, etc., can solve the problems affecting the entrance pupil parameters of microlenses and the limited use range, and achieve the effects of excellent imaging quality, simple manufacturing method and controllable focal length.
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[0024] In the two methods for fabricating arrays of controllable focal length liquid lenses provided by the embodiments of the present invention, the focal length of the liquid lenses is determined by the quality of the dripping silicone oil. The substrate for making the controllable focal length liquid lens array is a silicone mixture, which can be heated to form an elastic solid. By controlling the fabrication temperature, the lens plano-convex or biconvex shape can be controlled. Through the two-dimensional displacement platform, the number and direction of the array lenses are controlled.
[0025] In the embodiment of the present invention, due to the difference in refractive index between the silicone oil and the silica gel, when the light enters the array lens, the optical path will be changed to form a lens.
[0026] In the embodiment of the present invention, since the density of the silicone oil is higher than that of the silicone base fluid, after dropping the silic...
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