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.
Patent No.:
Date of Patent:
Jan. 10, 2023
Filed:
Apr. 27, 2021
Amazon Technologies, Inc., Seattle, WA (US);
Haiwei Chen, Santa Clara, CA (US);
Chulwoo Oh, Cedar Park, TX (US);
Kibyung Seong, Santa Clara, CA (US);
Seokchan Hong, Palo Alto, CA (US);
Suchit Shah, San Jose, CA (US);
Bo Qu, Pleasanton, CA (US);
Amazon Technologies, Inc., Seattle, WA (US);
Abstract
A method includes receiving a light beam propagating along an optical path, converting, using a first diffractive element, a first portion of the light beam into a first circularly polarized beam, and a second portion of the light beam into a second circularly polarized beam. The method also includes converting, using a second diffractive element, the first circularly polarized beam into a first circularly polarized output beam, and the second circularly polarized beam into a second circularly polarized output beam.