Optical: systems and elements – Lens – With graded refractive index
Patent
1995-03-08
1997-11-18
Epps, Georgia Y.
Optical: systems and elements
Lens
With graded refractive index
359654, 359710, G02B 300
Patent
active
056893744
ABSTRACT:
An optical element having an optical axis, and comprising a plurality of definable adjacent zones of optical material, each zone having a definable refractive index different from the refractive index of an adjacent zone and an Abbe number, the zones of optical materials being arranged parallel to each other to define a profile of refractive indices which is symmetric about a plane of symmetry along the optical axis of the element and parallel to the zones. In one embodiment the optical element is a spectrally invariant lens.
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Savard Michael E.
Xu Xiaojie
Bey Dawn-Marie
Epps Georgia Y.
LightPath Technologies, Inc.
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