Non-spherical lens design method and non-spherical lens
An aspheric lens and design method technology, applied in the field of optics, can solve the problems of expensive cost and processing cycle, aspheric surface difficult to process and test, aspheric lens cannot be processed or tested, etc., to achieve easy processing and testing, smooth spherical part Effect
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[0017] See image 3 , image 3 It is a schematic flowchart of a method for realizing aspheric lens design according to an embodiment of the present invention. like image 3 As shown, the method includes:
[0018] In step S101, a surface with a radius R1 is used as the spherical portion of the aspheric lens. The aspherical lens in the embodiment of the present invention is a single aspheric lens, that is, only one side of the lens is aspherical, and the other side is spherical, so that the aspheric lens can meet the optical requirements and reduce the processing requirements.
[0019] Step S102, using a surface with an approximate radius of curvature R2 as the aspheric surface part of the aspheric lens, the approximate radius of curvature is the value of the radius of curvature obtained by approximating the aspheric surface to a spherical surface, and |R2|≥2|R1| , the aspheric surface satisfies the equation
[0020] z ( r )...
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