Patent · US Active

Bend insensitive gradient index multi-mode light conducting fiber

US9164229B2 · kind B2 · utility

0Cited by

2References

10Claims

0Family size

Assignee

J-FIBER GMBH · DE

Inventors

Wolfgang Hämmerle · Jena, DE
Christian Genz · Jena, DE
Lothar Brehm · Jena, DE
Falk Wirth · Jena, DE

Key dates

Filing date	Jul 23, 2014
Grant date	Oct 20, 2015
Priority date	—
Expiry date	Jul 23, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG02B2006/12119
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a bend insensitive gradient index multi-mode light conducting fiber comprising a leakage mode dependent optical core diameter that is uniform over its length and a numerical aperture that is uniform over its length, wherein for a light wavelength of 850 nm and an overfilled launch (OFL), the optical core diameter for a fiber length in a range between 2 m and 100 m decreases by less than 5% and the numerical aperture decreases by less than 2.5% and the curvature related attenuation increase for two turns and a curvature radius of 7.5 mm is less than 0.2 db.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.