High-resolution micro-objective lens with kinoform corrector

Galina A. Lenkova; Evgeny G. Churin

doi:10.1117/12.50113

1 October 1991 High-resolution micro-objective lens with kinoform corrector

Galina A. Lenkova, Evgeny G. Churin

Author Affiliations +

Proceedings Volume 1574, Intl Colloquium on Diffractive Optical Elements; (1991) https://doi.org/10.1117/12.50113
Event: International Colloquium on Diffractive Optical Elements, 1991, Szklarska Poreba, Poland

Abstract

The hybrid micro-objective lens with the kinoform corrector has been developed and fabricated. Kinoform corrector is made by the photorastering technology. The numerical aperture of the micro-objective is 0.6 and 0.7; the focal length is 9.1 and 5.9 mm. The micro- objective can find its applications for various laser interferometers to collimate radiation of diode lasers and for date recording and read-out optical and magneto-optical disks.

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Galina A. Lenkova and Evgeny G. Churin "High-resolution micro-objective lens with kinoform corrector", Proc. SPIE 1574, Intl Colloquium on Diffractive Optical Elements, (1 October 1991); https://doi.org/10.1117/12.50113

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