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. 02, 2018
Filed:
Feb. 13, 2015
Applicants:
Turan Erdogan, Kingston, MA (US);
Ligang Wang, San Jose, CA (US);
Inventors:
Turan Erdogan, Kingston, MA (US);
Ligang Wang, San Jose, CA (US);
Assignee:
Semrock, Inc., Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/28 (2006.01);
U.S. Cl.
CPC ...
G02B 5/288 (2013.01); G02B 5/28 (2013.01);
Abstract
The present disclosure relates to thin film optical interference filters. The filters include a substrate and a plurality of alternating material layers deposited on the substrate. When operated at about 45° angle of incidence, the filters exhibit at least one of improved polarization splitting, edge steepness, bandpass bandwidth, and blocking, relative to conventional thin film interference filters.