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:
Dec. 15, 2020
Filed:
Aug. 02, 2019
Applicant:
Qioptiq Photonics Gmbh & CO KG, Göttingen, DE;
Inventors:
Frank Mueller, Munich, DE;
Huw Major, Southampton, GB;
Assignee:
QIOPTIQ PHOTONICS GMBH & CO. KG, Goettingen, DE;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/355 (2006.01); G02F 1/35 (2006.01);
U.S. Cl.
CPC ...
G02F 1/3551 (2013.01); G02F 1/3558 (2013.01); G02F 2001/3548 (2013.01);
Abstract
An optical crystal for converting an input light beam, the crystal having an ingress surface, an egress surface, and a fan-out grating has a fan-out pattern oriented at an offset angle θ in the range of 1° to 45° with respect to a beam entry plane at a beam ingress location.