The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 06, 2021

Filed:

Aug. 30, 2019
Applicant:

Caci, Inc.—federal, Arlington, VA (US);

Inventors:

Gerald Nykolak, Long Beach, NY (US);

Andrew Russell Grant, Freehold, NJ (US);

David C. Nielsen, Bridgewater, NJ (US);

Assignee:

CACI, INC. - FEDERAL, Arlington, VA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/00 (2013.01); H04B 10/11 (2013.01); H04B 10/69 (2013.01); H04B 10/50 (2013.01); H04B 10/25 (2013.01);
U.S. Cl.
CPC ...
H04B 10/11 (2013.01); H04B 10/25 (2013.01); H04B 10/505 (2013.01); H04B 10/691 (2013.01);
Abstract

Methods, devices, and systems are described for free space optical communication. An example device can comprise a laser, a modulator configured to cause the laser to output an optical signal comprising a data signal and a beacon signal, a defocuser optically coupled to the laser and configured to receive the optical signal and control a beam divergence of the optical signal, an optical interface configured to receive the optical signal from the defocuser and output the optical signal into free space, and a controller configured to cause the defocuser to adjust the beam divergence based on an operational mode of the laser.


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