Patent ID: 11967989
Assignee: BRIDGECOMM, INC.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An optical receiver for use in free space communication from a transmitter to the optical receiver, the optical receiver comprising:
an external window configured for passing visible light as well as optical signals of communication wavelengths therethrough;
an optical switch;
a waveguide;
a receiver; and
an internal window,
the optical switch being configured for redirecting optical signals received at the external window from a plurality of different incidence angles into an input ray having an angle within a range of acceptance angles for the waveguide;
the optical switch being further configured to compensate for differences in pulse arrival time of the optical signals from the plurality of different incidence angles at the external window, depending on incidence angle at which a particular optical signal is incident at the external window; and
the waveguide being configured for selectively directing optical signals incident thereon toward the receiver, while passing visible light through to the internal window.