Microlens array with microlenses having modified polygon perimet

Optical: systems and elements – Lens – With multipart element

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359619, 359620, 359625, 359628, G02B 2700, G02B 302

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active

055195393

ABSTRACT:
A microlens array and mold for making same in which the perimeter of each microlens is a modified polygon in that each edge of the lens approximates an elliptical arc, the ends of which terminate at the corners of the polygon, wherein the middle of the arc curves toward the center of each microlens. The microlenses are preferably rectangular or triangular.

REFERENCES:
patent: 2854337 (1958-09-01), Pearson
patent: 3748724 (1973-07-01), Beasley
patent: 4129628 (1978-12-01), Tamutus
patent: 4243618 (1981-01-01), Van Arnam
patent: 4478769 (1984-10-01), Pricone et al.
patent: 4528260 (1985-07-01), Kane
"Microlens Arrays for Solar Astrometry" by Guy Artzner, Microlens Arrays, M. C. Hutley, editor, May 1, 1991, pp. 91-96.
"Fabrication and Testing of Monolithic Lenslet Module (MLM) Arrays," by D. D'Amato et al., Optical Fabrication and Testing, 1990 Technical Digest Series, vol. 11, Optical Society of America, Jun. 12, 1990.
"Micro-Optics: Monolithic Lenslet Modules" sales brochure from United Technologies Adaptive Optics Assoc., Cambridge, MA, Jun. 1992.

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