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:
Mar. 17, 2020
Filed:
Nov. 21, 2016
Applicant:
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Inventors:
Dianmin Lin, Los Altos, CA (US);
Mark L. Brongersma, Redwood City, CA (US);
Pieter G. Kik, Orlando, FL (US);
Gordon Wetzstein, Palo Alto, CA (US);
Assignee:
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/00 (2006.01); G02B 3/00 (2006.01); G02B 21/36 (2006.01); G02B 21/00 (2006.01); H04N 13/204 (2018.01);
U.S. Cl.
CPC ...
G02B 1/002 (2013.01); G02B 1/007 (2013.01); G02B 3/0043 (2013.01); G02B 3/0056 (2013.01); G02B 3/0062 (2013.01); G02B 3/0068 (2013.01); G02B 21/004 (2013.01); G02B 21/361 (2013.01); G02B 21/367 (2013.01); H04N 13/204 (2018.05);
Abstract
Embodiments of 3D imaging systems that use a multifunctional, nano structured metalens to replace the conventional microlens array in light field imaging are disclosed. The optical focusing properties of the metalenses provided by gradient metasurface optical elements. The gradient metasurfaces allow the properties of the elements of the metalens array to be changed by tuning the gradient metasurfaces.