Patent ID: 11876105
Assignee: PHION TECHNOLOGIES CORP.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G  Y | IPC G  H

Claim 13:
14. A laser light collecting assembly for a wireless power receiver, comprising:
a compound parabolic concentrator mirror having curved internal walls defining and connecting an inlet aperture to an outlet aperture, the inlet aperture being larger than the outlet aperture, the internal walls focusing a majority of laser light entering the inlet aperture to the outlet aperture;
an optical to electrical converter positioned adjacent to the outlet aperture and configured to receive laser light exiting the outlet aperture and to convert optical energy in the laser light to electrical power;
an optical window positioned adjacent to the inlet aperture and configured to seal off the internal walls of the compound parabolic concentrator mirror from an external environment; and
wherein the optical window includes an internal surface facing the optical to electrical converter and an external surface facing a laser light source, wherein the compound parabolic concentrator mirror includes a ring of near infrared blackout material positioned near the inlet aperture and configured to prevent light reflection off the internal surface.