WIDE-ANGLE LENS WITH FREEFORM SURFACE
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United States of America
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Jan 16, 2025
app pub date -
Sep 30, 2024
filing date -
Sep 30, 2024
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Abstract
A method for designing a wide-angle optical system having at least one freeform optical surface without rotational symmetry to create a custom 2D object-image mapping. The method is based on iteratively adjusting the at least one freeform optical 2D surface shape to have the exact 2D object-image mapping required and then adjusting the optical element surfaces to meet the other required optical specifications. The iterative method is applied until both the desired 2D object-image mapping and the other required optical specifications are reached.
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