Optical: systems and elements – Lens – With reflecting element
Reexamination Certificate
2006-05-30
2006-05-30
Sugarman, Scott J. (Department: 2873)
Optical: systems and elements
Lens
With reflecting element
C359S741000
Reexamination Certificate
active
07054077
ABSTRACT:
A method of fabricating a catadioptric lens system, the method involving: fabricating a single catadioptric lens element having a bottom surface and an upper surface, the upper surface having a convex portion and a concave portion, both the convex and concave portions sharing a common axis of symmetry; cutting apart the catadioptric lens element to form 2n pie-shaped segments, wherein n is an integer; and reassembling the 2n pie-shaped segments to form the catadioptric lens system with n of the 2n pie-shaped segments being located above a common plane and the rest of the 2n pie-shaped elements being below the common plane.
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Sugarman Scott J.
Wilmer Cutler Pickering Hale and Dorr
Zetetic Institute
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