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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.:

US 10031290 B1

PDFFull Text
Date of Patent:
Jul. 24, 2018

Filed:

Oct. 19, 2017

Optical interference filter device, especially for an optical wavelength locking device

Applicant:

Adva Optical Networking SE, Meiningen, DE;

Inventor:

Benjamin Wohlfeil, Erfurt, DE;

Assignee:

ADVA Optical Networking SE, Meiningen, DE;

Attorney:

The Webb Law Firm

Primary Examiner:

Robert Tavlykaev

Int. Cl.
CPC ...
G02B 6/12 (2006.01); H04J 14/02 (2006.01); H04B 10/12 (2006.01); G02B 6/293 (2006.01); G02B 6/42 (2006.01); H04B 10/572 (2013.01); H01S 3/08 (2006.01); H01S 5/14 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29338 (2013.01); G02B 6/29343 (2013.01); G02B 6/4215 (2013.01); H01S 3/08027 (2013.01); H01S 5/141 (2013.01); H04B 10/572 (2013.01); G02B 6/29344 (2013.01); G02B 6/29389 (2013.01);
Abstract

The invention relates to an optical interference filter device which defines a first periodic filter frequency response between a first filter output port and a filter input port and a second periodic filter frequency response having the same free spectral range as the first periodic frequency response between a second filter output port and the filter input port. The first and second periodic filter frequency responses are shifted versus each other by a predetermined optical frequency distance.

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Wohlfeil, Benjamin. (2018). Optical interference filter device, especially for an optical wavelength locking device (U.S. Patent No. 10031290). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10031290

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