Method of Designing Optical Systems and Corresponding Optical System
First Claim
1. A method of designing an optical system including at least one light source and an optics subjected to aging as a result of exposure to said at least one light source, wherein the method comprises the steps of:
- defining a thermal aging model for said optics;
defining a thermal model for said at least one light source, wherein said thermal model is a spatial function representative of the temperature generated by said at least one light source; and
defining the distance of said optics from said at least one light source as a function of said aging model and said thermal model.
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Abstract
An optical system including at least one light source, such as a LED source (10), and an optics (30) subjected to aging as a result of exposure to the light source (10) is designed by: defining an aging model for the optics (30), defining a thermal model for the light source (10, 100) as a spatial function representative of the temperature generated by the light source (10, 100), and defining the distance of the optics (30) from the light source (10) as a function of the aging model and the thermal model. The optical overall system (single or multiple reflector and lens) is finally optimised starting from the results achieved in the previous steps.
8 Citations
14 Claims
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1. A method of designing an optical system including at least one light source and an optics subjected to aging as a result of exposure to said at least one light source, wherein the method comprises the steps of:
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defining a thermal aging model for said optics; defining a thermal model for said at least one light source, wherein said thermal model is a spatial function representative of the temperature generated by said at least one light source; and defining the distance of said optics from said at least one light source as a function of said aging model and said thermal model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification