ClassID:

87383

C03B2203/23 - CPC Classification

Classification description:

Fibre product details, e.g. structure, shape; Internal structure or shape details; Radial profile of refractive index, composition or softening point Double or multiple optical cladding profiles

Recent Application in this class:
#1
20250178946
2025-06-05

METHOD OF FORMING A MULTICORE PREFORM AND FIBER

#2
20250067924
2025-02-27

PHOTONIC CRYSTAL FIBER, A METHOD OF PRODUCTION THEREOF AND A SUPERCONTINUUM LIGHT SOURCE

#3
20240111087
2024-04-04

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#4
20230086322
2023-03-23

STRUCTURED SILICA CLAD SILICA OPTICAL FIBERS

#5
20220342148
2022-10-27

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#6
20220306516
2022-09-29

Vacuum-based methods of forming a cane-based optical fiber preform and methods of forming an optical fiber using same

#7
20220291445
2022-09-15

Optical fiber for data centers

#8
20210405286
2021-12-30

Optical fiber with increased bend performance

#9
20210373228
2021-12-02

Optical fiber and method of manufacturing optical fiber

#10
20210311251
2021-10-07

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#11
20200319401
2020-10-08

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#12
20200277219
2020-09-03

Vacuum-based methods of forming a cane-based optical fiber preform and methods of forming an optical fiber using same

#13
20200270165
2020-08-27

Optical fiber and manufacturing method thereof

#14
20200116948
2020-04-16

Optical connection component

#15
20200115270
2020-04-16

FIBER PREFORM, OPTICAL FIBER AND METHODS FOR FORMING THE SAME

#16
20190369325
2019-12-05

High chlorine content low attenuation optical fiber

#17
20190258001
2019-08-22

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#18
20190101693
2019-04-04

Optical fiber, and system and method for manufacturing optical fiber

#19
20190084865
2019-03-21

Method for manufacturing a preform for optical fibers

#20
20180251397
2018-09-06

Optical fiber with low loss and nanoscale structurally homogeneous core

#21
20180156987
2018-06-07

Optical connection component

#22
20180002221
2018-01-04

Low loss optical fibers with fluorine and chlorine codoped core regions

#23
20170363806
2017-12-21

Methods of manufacturing wide-band multi-mode optical fibers and core preforms for the same using specific fluorine doping parameter and 850 nm alpha profile

#24
20170351023
2017-12-07

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#25
20170235045
2017-08-17

Low attenuation fiber with stress relieving layer and a method of making such

#26
20170219770
2017-08-03

Low attenuation fiber with viscosity matched core and inner clad

#27
20170176673
2017-06-22

Bromine-doped optical fiber

#28
20170168231
2017-06-15

High chlorine content low attenuation optical fiber

#29
20170129800
2017-05-11

Method of making optical fibers in a reducing atmosphere

#30
20170101339
2017-04-13

Method of assembling optical fiber preforms

#31
20170101335
2017-04-13

Method to prevent cracks in optical fiber preforms

#32
20170096362
2017-04-06

Apparatus and method for producing core rod of optical fiber

#33
20160304392
2016-10-20

Low loss optical fibers with fluorine and chlorine codoped core regions

#34
20160299289
2016-10-13

Low attenuation fiber with stress relieving layer and a method of making such

#35
20160289113
2016-10-06

Method for producing porous glass base material

#36
20160209585
2016-07-21

Optical fiber and manufacturing method thereof

#37
20160152510
2016-06-02

Method of making updoped cladding by using silicon tertrachloride as the dopant

#38
20160124143
2016-05-05

Hydrogen-resistant optical fiber

#39
20160075591
2016-03-17

Optical fibers and preforms with one step fluorine trench and overclad and methods for making the same

#40
20160075590
2016-03-17

Production method of optical fiber preform, and production method of optical fiber

#41
20160011365
2016-01-14

High chlorine content low attenuation optical fiber

#42
20160009589
2016-01-14

Method of making optical fibers in a reducing atmosphere

#43
20160009588
2016-01-14

Optical fiber with reducing hydrogen sensitivity

#44
20150370010
2015-12-24

Low attenuation fiber with viscosity matched core and inner clad

#45
20150370008
2015-12-24

Optical-fiber preform and method for manufacturing optical-fiber preform

#46
20150336840
2015-11-26

Method of manufacturing preforms for optical fibres having low water peak

#47
20150315061
2015-11-05

Multi-core optical fiber ribbons and methods for making the same

#48
20150301278
2015-10-22

Preform for an optical waveguide and a fiber with non-circular core

#49
20150299024
2015-10-22

Tubular semifinished product for producing an optical fiber

#50
20150260910
2015-09-17

Gain-producing fibers with increased cladding absorption while maintaining single-mode operation

#51
20150225280
2015-08-13

Method of making updoped cladding by using silicon tertrachloride as the dopant

#52
20150098682
2015-04-09

Optical fiber preform, method for producing optical fiber, and optical fiber

#53
20150043880
2015-02-12

Methods for producing a semifinished part for the manufacture of an optical fiber which is optimized in terms of bending

#54
20150040616
2015-02-12

OPTICAL FIBER GLASS BASE MATERIAL MANUFACTURING METHOD AND OPTICAL FIBER GLASS BASE MATERIAL

#55
20150023642
2015-01-22

High bandwidth MMF and method of making

#56
20150017440
2015-01-15

Quartz glass tube as a semi-finished product for an optical component

#57
20140352361
2014-12-04

Method for making low bend loss optical fiber preforms

#58
20140254997
2014-09-11

Optical fiber preform, method for producing optical fiber, and optical fiber

#59
20140212103
2014-07-31

Double-clad, gain-producing fibers with increased cladding absoroption while maintaining single-mode operation

#60
20140127507
2014-05-08

Method for manufacturing optical fiber base material, and optical fiber

#61
20140090426
2014-04-03

Method of manufacturing porous glass deposition body for optical fiber

#62
20140060118
2014-03-06

Pressed, multilayered silica soot preforms for the manufacture of single sinter step, complex refractive index profile optical fiber

#63
20140009822
2014-01-09

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#64
20130114129
2013-05-09

Large core area single mode optical fiber

#65
20130094824
2013-04-18

Bend insensitive fiber

#66
20130081429
2013-04-04

Method of manufacturing optical fiber base material and method of manufacturing optical fiber

#67
20130034322
2013-02-07

OPTICAL WAVEGUIDE AND SEMIFINISHED PRODUCT FOR THE PRODUCTION OF AN OPTICAL WAVEGUIDE HAVING OPTIMIZED DIFFRACTION PROPERTIES

#68
20130029038
2013-01-31

Method of making a multimode optical fiber

#69
20120324960
2012-12-27

Method and tubular semifinished product for producing an optical fiber

#70
20120324958
2012-12-27

Methods for manufacturing optical fiber preform and methods for manufacturing optical fiber

#71
20120321891
2012-12-20

MANUFACTURING METHOD OF POROUS SILICA BODY, MANUFACTURING METHOD OF OPTICAL FIBER PREFORM, POROUS SILICA BODY, AND OPTICAL FIBER PREFORM

#72
20120321261
2012-12-20

METHOD FOR PRODUCING OPTICAL FIBER

#73
20120315006
2012-12-13

Single-mode optical fiber

#74
20120250143
2012-10-04

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#75
20120224254
2012-09-06

Rare-earth-doped amplifying optical fiber

#76
20120186304
2012-07-26

Microstructured transmission optical fiber

#77
20120159995
2012-06-28

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

#78
20120134376
2012-05-31

Radiation-Insensitive Optical Fiber Doped with Rare Earths

#79
20120125053
2012-05-24

Method of manufacturing optical fiber with selected draw tension

#80
20120114292
2012-05-10

Multi-core optical fiber ribbons and methods for making the same

#81
20120069858
2012-03-22

Photodarkening resistant optical fibers and fiber lasers incorporating the same

#82
20120057834
2012-03-08

Optical Fiber, Optical Fiber Preform and Method of Fabricating Same

#83
20120040184
2012-02-16

Method of Fabricating an Optical Fiber Preform

#84
20120014654
2012-01-19

OPTICAL FIBER AND METHOD FOR MANUFACTURING SAME

#85
20110176783
2011-07-21

Optical fiber and method for fabricating the same

#86
20110162413
2011-07-07

Method of manufacturing optical fiber base material

#87
20110085770
2011-04-14

Single mode optical fiber with depressed trench

#88
20110058780
2011-03-10

Single-mode fiber and production method thereof

#89
20110038587
2011-02-17

MULTI-CLAD OPTICAL FIBER

#90
20100329618
2010-12-30

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#91
20100276822
2010-11-04

RARE EARTH-DOPED CORE OPTICAL FIBER AND MANUFACTURING METHOD THEREOF

#92
20100272406
2010-10-28

Bend Resistant Multimode Optical Fiber

#93
20100247912
2010-09-30

Method for Manufacturing LMA Optical Preforms and Fibers

#94
20100247048
2010-09-30

Optical fiber and method for fabricating the same

#95
20100189928
2010-07-29

Method for manufacturing an optical fiber preform

#96
20100189398
2010-07-29

Optical fiber preform

#97
20090317042
2009-12-24

Rare earth-doped core optical fiber and manufacturing method thereof

#98
20090290841
2009-11-26

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

#99
20090202211
2009-08-13

Microstructured transmission optical fiber

#100
20090169150
2009-07-02

Fiber Bragg grating and fabrication method

#101
20090158778
2009-06-25

Process for making a glass fiber with a core and two glass cladding layers and glass fiber made thereby

#102
20090123121
2009-05-14

RARE EARTH DOPED AND LARGE EFFECTIVE AREA OPTICAL FIBERS FOR FIBER LASERS AND AMPLIFIERS

#103
20090052853
2009-02-26

Holey fiber and method of manufacturing the same

#104
20090003787
2009-01-01

METHOD FOR MANUFACTURING A PREFORM AS WELL AS A METHOD FOR FORMING OPTICAL FIBRES FROM SUCH A PREFORM

#105
20080279515
2008-11-13

Optical fiber containing alkali metal oxide

#106
20080166094
2008-07-10

Bend resistant multimode optical fiber

#107
20080080823
2008-04-03

Rare earth doped optical fiber

#108
20080069508
2008-03-20

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#109
20080031582
2008-02-07

Method for manufacturing an optical fiber preform

#110
20080025679
2008-01-31

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#111
20070089462
2007-04-26

Optical fiber

#112
20070003200
2007-01-04

Optical fibre having low splice loss and method for making it

#113
20060198591
2006-09-07

Optical fiber, method for manufacturing same and optical transmission channel

#114
20060140565
2006-06-29

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#115
20060088262
2006-04-27

Rare earth doped single polarization double clad optical fiber with plurality of air holes

#116
20060088261
2006-04-27

Rare earth doped single polarization double clad optical fiber and a method for making such fiber

#117
20050271347
2005-12-08

Optical fiber and method for making such fiber

#118
20050262876
2005-12-01

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

#119
20050259932
2005-11-24

Optical fiber and a method for manufacturing same

#120
20050229639
2005-10-20

Optical fiber preform, method for manufacturing thereof, and optical fiber obtained by drawing thereof

#121
20050180710
2005-08-18

Porous optical fiber and method for manufacturing the same

#122
20050168803
2005-08-04

Raman fiber amplifier communication systems

#123
20050158006
2005-07-21

Double clad rare earth doped fiber

#124
20050135762
2005-06-23

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#125
20050089289
2005-04-28

Optical fiber, method for manufacturing same and optical transmission channel

#126
20050063654
2005-03-24

Low loss optical fiber and method for fabricating an optical fiber preform

#127
20050008313
2005-01-13

Cladding-pumped optical fiber and methods for fabricating

#128
20050008311
2005-01-13

Multimode polarization maintaining double clad fiber