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:
Jul. 22, 2014

Filed:

Oct. 16, 2012
Applicants:

Yeong-seop Lee, Gumi-si, KR;

Mun-hyun DO, Daegu, KR;

Si-ho Song, Gumi-si, KR;

Myung-hwan Pyo, Gumi-si, KR;

Dae-hwan OH, Gumi-si, KR;

Won-sun Lee, Gumi-si, KR;

Dae-seung Moon, Gumi-si, KR;

Tae-hyung Lee, Gumi-si, KR;

Tae-hun Kim, Gumi-si, KR;

Inventors:

Yeong-Seop Lee, Gumi-si, KR;

Mun-Hyun Do, Daegu, KR;

Si-Ho Song, Gumi-si, KR;

Myung-Hwan Pyo, Gumi-si, KR;

Dae-Hwan Oh, Gumi-si, KR;

Won-Sun Lee, Gumi-si, KR;

Dae-Seung Moon, Gumi-si, KR;

Tae-Hyung Lee, Gumi-si, KR;

Tae-Hun Kim, Gumi-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is an extreme bending insensitive optical fiber. The optical fiber includes a core comprising a maximum refractive index difference Δnin the optical fiber, an inner layer comprising a refractive index difference Δnthat is smaller than the maximum refractive index of the core and decreases in a direction away from the core, the inner layer being positioned outside the core, and a trench layer comprising an inner-circumference refractive index difference Δnthat is smaller than the refractive index difference of the inner layer and an outer-circumference refractive index difference Δnthat is a minimum refractive index difference in the optical fiber.


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