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

Claim 9:
10. A method, comprising:
passing, by an optical channel of a plurality of optical channels of an optical component of a security article, 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 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, and
wherein the first set of light beams is associated with a first wavelength range;

reflecting, by the optical channel, 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
reflecting, by the optical channel, 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.