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2 550 752

(13)

(51)

IPC

G02B6/02(2006-01-01)

(21) (22)

Application

2012136835/28, 2011-01-26

(24)

Start date

2011-01-26

(22)

Actual filing date

2011-01-26

(45)

Published

2015-05-10

(72)

Inventor

Bikkhehm Skott R.Bukbinder Dana K.Li Min-Tszjun'Mishra Snigdkharadzh K.Nolan Dehniel A.Tandon Pushkar

(73)

Holder

Korning Inkorporejted

FIBRE OF HIGH EFFICIENT AREA WITH CORE NOT CONTAINING Ge Russian patent published in 2015 - IPC G02B6/02

Abstract RU 2550752 C2

FIELD: physics, optics.

SUBSTANCE: invention relates to fibre optics. This optical fibre comprises core without Ge and with central area, first ring area, second ring area doped with fluorine and shell. Profile of optical fibre relative refraction ratio is selected to allow attenuation not over 0.175 dB/km in wavelength of 1550 nm. Additionally, this fibre comprises primary coating with modulus of elasticity lower than 1.0 MPa and secondary coating with said modulus over 1200 MPa.

EFFECT: larger efficient area and lower attenuation.

20 cl, 14 tbl, 23 dwg

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RU 2 550 752 C2

Authors

Bikkhehm Skott R.

Bukbinder Dana K.

Li Min-Tszjun'

Mishra Snigdkharadzh K.

Nolan Dehniel A.

Tandon Pushkar

Dates

2015-05-10—Published

2011-01-26—Filed