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.

Date of Patent:
Aug. 12, 2008

Filed:

Jan. 23, 2006
Applicants:

Martin Seifert, West Simsbury, CT (US);

Upendra H. Manyam, Weatogue, CT (US);

Michael O'connor, East Hartford, CT (US);

Nils Jacobson, North Granby, CT (US);

Inventors:

Martin Seifert, West Simsbury, CT (US);

Upendra H. Manyam, Weatogue, CT (US);

Michael O'Connor, East Hartford, CT (US);

Nils Jacobson, North Granby, CT (US);

Assignee:

Nufern, East Granby, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical fiber coupler can include at least a first input optical fiber and an output optical fiber, where the first input optical fiber can comprise an antiguiding core, a first cladding disposed about the antiguiding core and a second cladding disposed about the first cladding so as to tend to confine light to said first cladding. The output fiber can comprise a guiding core, a first cladding disposed about the guiding core and a second cladding disposed about the first cladding of the output fiber for tending to confine light to the first cladding of the output fiber. Optical fibers are also disclosed, as are methods.


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