Patents-Review.com
ClassID:

173892 ⎘

G02B6/03683 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding core or cladding comprising multiple layers; Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 4 layers only arranged - - + +

Recent Application in this class:
#1
20250130364
2025-04-24

OPTICAL FIBER EXHIBITING HIGH LP11 ATTENUATION BUT LOW LP01 ATTENUATION WHEN LOOPED

 #2
20230176277
2023-06-08

Large-effective-mode-area low-loss optical fiber with optimized cladding components

 #3
20210405286
2021-12-30

Optical fiber with increased bend performance

 #4
20210048578
2021-02-18

Multi-clad optical fiber

 #5
20210033782
2021-02-04

Cut-off shifted optical fibre with large effective area

 #6
20190346620
2019-11-14

Few mode optical fiber

 #7
20190162897
2019-05-30

Few mode optical fiber

 #8
20190025502
2019-01-24

Multi-clad optical fiber

 #9
20180128968
2018-05-10

Single-mode optical fiber with ultra low attenuation and large effective area

 #10
20180128967
2018-05-10

Single mode optical fiber with ultra-low attenuation and bend insensibility

 #11
20180052280
2018-02-22

Doping optimized single-mode optical fiber with ultra low attenuation

 #12
20180039020
2018-02-08

Single-mode fiber with ultra low attenuation

 #13
20180002221
2018-01-04

Low loss optical fibers with fluorine and chlorine codoped core regions

 #14
20170176674
2017-06-22

Single-mode fiber with ultralow attenuation and large effective area

 #15
20170017032
2017-01-19

Optical fiber with macrobend loss mitigating layer

 #16
20160304392
2016-10-20

Low loss optical fibers with fluorine and chlorine codoped core regions

 #17
20160170137
2016-06-16

Low loss optical fiber and method of making the same

 #18
20160109651
2016-04-21

Low loss optical fiber and method of making the same

 #19
20150093075
2015-04-02

Receiving method and separating apparatus for light outputted from multi-core optical fiber

 #20
20140169748
2014-06-19

Optimized ultra large area optical fibers

 #21
20140161404
2014-06-12

Multicore fiber designs for spatial multiplexing

 #22
20140093205
2014-04-03

Step-index few-mode fiber designs for spatial multiplexing

 #23
20130272668
2013-10-17

Optical fiber

 #24
20130071081
2013-03-21

Optimized ultra large area optical fibers

 #25
20130071080
2013-03-21

Optimized ultra large area optical fibers

 #26
20130071079
2013-03-21

Optimized ultra large area optical fibers

 #27
20130004135
2013-01-03

Multimode optical fiber

 #28
20120224808
2012-09-06

Receiving method and separating apparatus for light outputted from multi-core optical fiber

 #29
20120159995
2012-06-28

Methods of making single mode optical fibers with reduced bend sensitivity and catastrophic bend loss

 #30
20120106909
2012-05-03

Large effective area optical fiber with low bend loss

 #31
20120093471
2012-04-19

Low loss optical fiber designs for confining optical power to low-doped regions

 #32
20120033924
2012-02-09

Low loss optical fiber designs and methods for their manufacture

 #33
20110217011
2011-09-08

High numerical aperture multimode optical fiber

 #34
20110188826
2011-08-04

Non-zero dispersion shifted optical fiber having a large effective area

 #35
20110188823
2011-08-04

Non-zero dispersion shifted optical fiber having a short cutoff wavelength

 #36
20110176783
2011-07-21

Optical fiber and method for fabricating the same

 #37
20110085770
2011-04-14

Single mode optical fiber with depressed trench

 #38
20110064368
2011-03-17

Low bend loss optical fiber

 #39
20110002590
2011-01-06

Graded index multimode optical fiber

 #40
20100247048
2010-09-30

Optical fiber and method for fabricating the same

 #41
20090290841
2009-11-26

Reduced bend sensitivity and catastrophic bend loss in single mode optical fibers and method of making same

 #42
20090232463
2009-09-17

Low loss optical fiber designs for confining optical power to low-doped regions

 #43
20080279516
2008-11-13

Low bend loss coated optical fiber

 #44
20070003198
2007-01-04

Low loss optical fiber designs and methods for their manufacture

 #45
20050262876
2005-12-01

Method for plasma overcladding a fluorine-doped optical fiber preform tube