Abstract
A family of free-form lenses for intensity control is designed. The lens can shape an incident collimated beam with a given intensity distribution into a new collimated beam with intensity distribution . No symmetry is assumed for the two intensity profiles. The key idea is that the lens design problem can be formulated and solved in terms of an optimization process involving a specific action functional. It is further shown that the free-form lens can be manufactured by a surfacing process using a convex tool.
© 2007 Optical Society of America
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