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Optical & Optics
Class Information
Number:
359/655
Name:
Optical: systems and elements
>
Lens
>
With graded refractive index
>
Having a radial gradient
> In a variable media (e.g., gas, elastomer, etc.)
Description:
Subject matter wherein the chemical composition of the lens varies in a spatial dimension.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7573645
Method for manufacturing optical element of refractive index distribution type
Aug. 11, 2009
7570432
Metamaterial gradient index lens
Aug. 4, 2009
7304793
Apparatus for examination of chemical and/or biological samples
Dec. 4, 2007
7220064
Coupling optical system for optical communications
May. 22, 2007
6934088
Optical elements and methods for making thereof
Aug. 23, 2005
5182672
Finder optical system
Jan. 26, 1993
4848881
Variable lens and birefringence compensator
Jul. 18, 1989
4712882
Variable focal length lens
Dec. 15, 1987
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