HIGH-SPEED PLANE-APOCHROMATIC MICROLENS WITH INCREASED WORKING DISTANCE Russian patent published in 2004 - IPC

Abstract RU 2227312 C1

FIELD: optics. SUBSTANCE: microlens with increased working distance includes first and second components coming in the form of single lenses placed along optical axis, third component produced in the form of positive lens cemented between two negative lenses, fourth and fifth components presented in the form of meniscus facing image space with concavity. Fourth component is meniscus coming in the form of positive and negative lenses bonded together which face image space with concavity and fifth component is single lens. EFFECT: increased working distance between frontal lens and microlens. 1 dwg

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RU 2 227 312 C1

Authors

Frolov D.N.

Dates

2004-04-20—Published

2002-09-03—Filed