Patent ID: 11858288
Assignee: VIAVI SOLUTIONS INC.
Field: Other consumer goods (Other fields)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A security article comprising:
an optical component that includes a plurality of optical channels with a Fano resonance characteristic, wherein:
a number of optical channels, of the plurality of optical channels, is greater than or equal to a threshold number of optical channels,
an optical channel, of the plurality of optical channels, is configured to:
pass a first portion of a first set of light beams when the first set of light beams falls incident on at least one of a first surface or a second surface of the optical channel,
wherein the first set of light beams is associated with a first wavelength range;

reflect a second portion of the first set of light beams when the first set of light beams falls incident on the first surface of the optical channel; and
reflect at least a portion of a second set of light beams when the second set of light beams falls incident on the second surface of the optical channel,
wherein the second set of light beams is associated with a second wavelength range, and

the optical channel includes an absorber layer comprising germanium, silicon, amorphous silicon, silicon-germanium, a metallic oxide, a telluride, a sulfide, an arsenide, a phosphide, or an antimonide.