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:
Jun. 04, 2019
Filed:
May. 17, 2014
Applicant:
Finisar Corporation, Horsham, PA (US);
Inventors:
Luke Stewart, Gladesville, AU;
Glenn Wayne Baxter, Hornsby Heights, AU;
Steven James Frisken, Vaucluse, AU;
Assignee:
Finisar Corporation, Horsham, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01); G02B 6/35 (2006.01);
U.S. Cl.
CPC ...
G02B 5/18 (2013.01); G02B 5/1861 (2013.01); G02B 6/351 (2013.01); G02B 6/356 (2013.01); G02B 6/3592 (2013.01);
Abstract
Described herein is a diffraction grating () for use in an optical system. The diffraction grating includes a substrate () and an array of elongate diffracting elements () arranged in a grating profile across the substrate. The grating profile imparts a predefined phase change to optical beams to at least partially correct the beams for optical aberrations present in the optical system.