ClassID:

173885

G02B6/03644 - 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 3 layers only arranged - + -

Recent Application in this class:
#1
20240139866
2024-05-02

Method and arrangement for generating a laser beam having a differing beam profile characteristic by a multi-clad fiber

#2
20230161108
2023-05-25

OPTICAL FIBER STRUCTURES AND METHODS FOR VARYING LASER BEAM PROFILE

#3
20220368421
2022-11-17

CONCENTRIC-CORE FIBERS AND SYSTEM USING SAME

#4
20220326432
2022-10-13

Multicore fiber with exterior cladding region

#5
20220276433
2022-09-01

Optical combiner and laser apparatus

#6
20220179153
2022-06-09

Method and arrangement for generating a laser beam having a differing beam profile characteristic by a multi-clad fiber

#7
20220050244
2022-02-17

Low-dispersion single-mode optical fiber

#8
20210294024
2021-09-23

Multicore fiber with exterior cladding region

#9
20210247564
2021-08-12

Low loss and low dispersion optical fiber for data center optical communication

#10
20210141155
2021-05-13

Optical fiber structures and methods for varying laser beam profile

#11
20210075510
2021-03-11

Optical communication devices based on concentric space-division multiplexed optical fiber

#12
20200393614
2020-12-17

Optical fiber

#13
20200305732
2020-10-01

Systems and methods of combined optical coherence tomography and pressure measurement

#14
20200186248
2020-06-11

Concentric fiber for space-division multiplexed optical communications and method of use

#15
20200150336
2020-05-14

Low bend loss optical fiber with a chlorine doped core and offset trench

#16
20200018895
2020-01-16

High bandwidth radiation-resistant multimode optical fiber

#17
20200012042
2020-01-09

Optical fiber manufacturing method using relative bulk densities

#18
20190346621
2019-11-14

Non-zero dispersion shifted fiber with low cut off wavelength and large effective area

#19
20190290100
2019-09-26

Optical imaging system employing vortex fiber for multiple-mode illumination

#20
20190258009
2019-08-22

Method and arrangement for generating a laser beam having a differing beam profile characteristic by coupling different input laser beams into different cores of a multi-clad fiber

#21
20190162899
2019-05-30

Few-mode optical fiber

#22
20190162898
2019-05-30

Non-zero dispersion shifted fiber with low cut off wavelength and large effective area

#23
20190113688
2019-04-18

Optical fiber structures and methods for varying laser beam profile

#24
20190049663
2019-02-14

Optical fiber and method of manufacturing the same

#25
20190049660
2019-02-14

Low bend loss optical fiber with a chlorine doped core and offset trench

#26
20190007138
2019-01-03

Concentric fiber for space-division multiplexed optical communications and method of use

#27
20190004245
2019-01-03

Optical fibers having a varying clad index and methods of forming same

#28
20180375280
2018-12-27

Active LMA optical fiber and laser system using the same

#29
20180372959
2018-12-27

Optical fiber structures and methods for varying laser beam profile

#30
20180335565
2018-11-22

Low bend loss single mode optical fiber with chlorine updoped cladding

#31
20180321438
2018-11-08

Low bend loss optical fiber with a germania doped core

#32
20180202843
2018-07-19

Distributed fiber sensors and systems employing hybridcore optical fibers

#33
20180079677
2018-03-22

Optical fibers having a varying clad index and methods of forming same

#34
20180031762
2018-02-01

Single mode optical fiber with chlorine doped core and low bend loss

#35
20180024291
2018-01-25

Low bend loss single mode optical fiber with chlorine updoped cladding

#36
20180011245
2018-01-11

Dispersion shifted optical fiber

#37
20170293084
2017-10-12

Optical fiber structures and methods for varying laser beam profile

#38
20170235045
2017-08-17

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

#39
20170153178
2017-06-01

Distributed Brillouin sensor

#40
20170075061
2017-03-16

Low bend loss single mode optical fiber with chlorine updoped cladding

#41
20170031105
2017-02-02

Electively coupling a laser beam into a multi-clad fiber

#42
20160299289
2016-10-13

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

#43
20160214886
2016-07-28

Optical fiber preform

#44
20160170135
2016-06-16

Optical waveguide and optical fiber transmission system

#45
20160131832
2016-05-12

Optical fiber

#46
20150316712
2015-11-05

Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same

#47
20150293306
2015-10-15

Method and arrangement for generating a laser beam having a differing beam profile characteristic by a multi-clad fiber

#48
20150285992
2015-10-08

Optical fiber preform

#49
20150268414
2015-09-24

Optical waveguide and optical fiber transmission system

#50
20150260910
2015-09-17

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

#51
20150177462
2015-06-25

Fiber stretcher module for use in the 1550 nm wavelength range

#52
20150147040
2015-05-28

Multicore fiber

#53
20150131306
2015-05-14

Light diffusing optical fibers and light emitting apparatuses including light diffusing optical fibers

#54
20150125115
2015-05-07

Light diffusing fibers with integrated mode shaping lenses

#55
20150117827
2015-04-30

Graded refractive index bending-resistant multimode obtical fiber

#56
20150104140
2015-04-16

Graded refractive index bending-resistant multimode optical fiber

#57
20150063824
2015-03-05

Optical fiber transmission line

#58
20150063754
2015-03-05

Universal optical fibers for optical fiber connectors

#59
20140212103
2014-07-31

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

#60
20140139907
2014-05-22

Fiber stretcher module for use in the 1550 nm wavelength range

#61
20140098011
2014-04-10

Autostereoscopic display illumination apparatuses and autostereoscopic display devices incorporating the same

#62
20140064687
2014-03-06

Multi-core optical fibers with single mode and multimode core elements

#63
20130272669
2013-10-17

Optical fiber

#64
20130272014
2013-10-17

Multi-wavelength light source using light diffusing fibers

#65
20130243379
2013-09-19

Multi-mode optical fiber

#66
20130223851
2013-08-29

Dispersion-compensating system and dispersion-compensating fiber with improved figure of merit

#67
20130188917
2013-07-25

Optical fiber and optical fiber preform

#68
20130016742
2013-01-17

Optical fiber-type optical element, laser diode module, and fiber laser

#69
20120275180
2012-11-01

Light diffusing fibers and methods for making the same

#70
20120263427
2012-10-18

Optical fiber and optical fiber preform

#71
20120141078
2012-06-07

Optical fiber

#72
20120093469
2012-04-19

Ultra high numerical aperture optical fibers

#73
20120093461
2012-04-19

Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber

#74
20120076452
2012-03-29

Sensing device having a large diameter D-shaped optical waveguide

#75
20110217011
2011-09-08

High numerical aperture multimode optical fiber

#76
20110205349
2011-08-25

Triple-clad optical fibers and devices with triple-clad optical fibers

#77
20110176766
2011-07-21

Optical fiber connection structure and single-mode fiber

#78
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#79
20110141555
2011-06-16

Auto-cladded multi-core optical fibers

#80
20110135260
2011-06-09

Optical fiber

#81
20110122644
2011-05-26

Light source apparatus

#82
20110091178
2011-04-21

Double clad optical fiber having ring core surrounding core for high power operation

#83
20110091177
2011-04-21

Optical fiber apparatus with suppression of higher order modes

#84
20110081123
2011-04-07

Multi-cladding fiber

#85
20110038587
2011-02-17

MULTI-CLAD OPTICAL FIBER

#86
20110026106
2011-02-03

Ytterbium-doped optical fiber, fiber laser, and fiber amplifier

#87
20100284658
2010-11-11

Optical fiber, optical transmission line, optical module, and optical transmission system

#88
20100266250
2010-10-21

Dispersion shifted optical fiber

#89
20100195194
2010-08-05

Large mode area optical fiber

#90
20100189400
2010-07-29

Single-mode optical fiber

#91
20100189399
2010-07-29

Single-mode optical fiber having an enlarged effective area

#92
20100189390
2010-07-29

Ultra high numerical aperture optical fibers

#93
20100100006
2010-04-22

Production of optical pulses at a desired wavelength using soliton self-frequency shift

#94
20100086251
2010-04-08

Production of optical pulses at a desired wavelength using soliton self-frequency shift in higher-order-mode fiber

#95
20100054661
2010-03-04

Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber

#96
20100043497
2010-02-25

OPTICAL FIBER FOR WDM SYSTEM AND MANUFACTURING METHOD THEREOF

#97
20100040336
2010-02-18

Multimode fiber with at least dual cladding

#98
20100021116
2010-01-28

Single mode optical fiber

#99
20100014820
2010-01-21

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#100
20090324186
2009-12-31

Photonic band-gap fiber

#101
20090323735
2009-12-31

Pulse stretching optical fiber and related systems and methods

#102
20090317041
2009-12-24

Photonic bandgap fiber

#103
20090317040
2009-12-24

Optical fiber and optical fiber preform

#104
20090274417
2009-11-05

Optical fiber systems for delivering short high power pulses

#105
20090257724
2009-10-15

Nonlinear optical fiber, nonlinear optical device, and optical signal processing apparatus

#106
20090252470
2009-10-08

Optical fibers and optical transmission systems

#107
20090238526
2009-09-24

Optical transmission fiber with thermal management for high power applications

#108
20090123122
2009-05-14

OPTICAL FIBERS AND OPTICAL TRANSMISSION SYSTEMS

#109
20090123120
2009-05-14

Stimulated raman scattering suppressing waveguide configuration

#110
20090095023
2009-04-16

Ultra high numerical aperture optical fibers

#111
20090086770
2009-04-02

Optical fiber and optical fiber ribbon, and optical interconnection system

#112
20090060438
2009-03-05

Optical fiber and production method thereof

#113
20090046984
2009-02-19

Optical transmission system and dispersion-compensating optical fiber

#114
20090034925
2009-02-05

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#115
20090034059
2009-02-05

Suppression of higher-order modes by resonant coupling in bend-compensated optical fibers

#116
20080317419
2008-12-25

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#117
20080317418
2008-12-25

NONLINEAR OPTICAL FIBER, NONLINEAR OPTICAL DEVICE, AND OPTICAL SIGNAL PROCESSING APPARATUS

#118
20080310807
2008-12-18

Optical fiber and optical-fiber transmission line

#119
20080310805
2008-12-18

Optical fiber, optical fiber ribbon, and optical interconnection system

#120
20080292257
2008-11-27

Optical fiber and optical transmission line and optical communication system including such optical fiber

#121
20080273851
2008-11-06

Waveguide configuration

#122
20080273850
2008-11-06

Optical fiber and optical-fiber transmission line

#123
20080260339
2008-10-23

Manufacture of depressed index optical fibers

#124
20080240663
2008-10-02

Ultra high numerical aperture optical fibers

#125
20080226246
2008-09-18

Optical fiber and optical-fiber transmission line

#126
20080226241
2008-09-18

Optical fiber and optical fiber ribbon, and optical interconnection system

#127
20080219667
2008-09-11

OPTICAL COMMUNICATION SYSTEM AND DISPERSION-COMPENSATING OPTICAL FIBER

#128
20080166097
2008-07-10

Optical fiber

#129
20080138011
2008-06-12

Production of optical pulses at a desired wavelength utilizing higher-order-mode (HOM) fiber

#130
20080101755
2008-05-01

Single-mode optical fiber

#131
20080080823
2008-04-03

Rare earth doped optical fiber

#132
20080063349
2008-03-13

Optical fiber and optical transmission line and optical communication system including such optical fiber

#133
20080025363
2008-01-31

Optical fiber gain medium with modal discrimination of amplification

#134
20080019650
2008-01-24

Optical fiber with extended bandwidth for crimp and cleave connectors

#135
20080013906
2008-01-17

Optical fiber, transmission system, and wavelength division multiplexing system

#136
20070258717
2007-11-08

Optical device and wavelength conversion method and optical fiber suitable for them

#137
20070248308
2007-10-25

Optical field concentrator using multiple low-index nano-layer configuration for CMOS compatible laser devices

#138
20070237477
2007-10-11

Highly dispersive dispersion compensating fiber for transmission fiber and transmission system utilizing same

#139
20070237453
2007-10-11

Optical coupler devices, methods of their production and use

#140
20070230884
2007-10-04

Method and apparatus for optical delivery fiber having cladding with absorbing regions

#141
20070217754
2007-09-20

Optical fiber, optical transmission line, optical module and optical transmission system

#142
20070206910
2007-09-06

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#143
20070204657
2007-09-06

Manufacture of depressed index optical fibers

#144
20070201791
2007-08-30

Higher order mode dispersion compensating fiber and mode converter for higher order fiber

#145
20070196063
2007-08-23

Waveguide configuration

#146
20070189699
2007-08-16

Optical fiber and transmission system, and wavelength division multiplexing system

#147
20070189684
2007-08-16

Single-mode optical fiber

#148
20070147756
2007-06-28

Single-mode optical fiber

#149
20070116416
2007-05-24

High SBS threshold optical fiber with aluminum dopant

#150
20070104435
2007-05-10

Polarization insensitive microbend fiber gratings and devices using the same

#151
20070104434
2007-05-10

Polarization insensitive microbend fiber gratings and devices using the same

#152
20070104433
2007-05-10

Polarization insensitive microbend fiber gratings and devices using the same

#153
20070104432
2007-05-10

Polarization insensitive microbend fiber gratings and devices using the same

#154
20070081779
2007-04-12

Optical fiber with reduced stimulation Brillouin scattering

#155
20070065084
2007-03-22

Dispersion optimized optical fiber for wideband optical transmission

#156
20070065081
2007-03-22

Compensating fiber for cumulated chromatic dispersion and chromatic dispersion slope

#157
20070053641
2007-03-08

Optical fiber and optical device using the same

#158
20070047962
2007-03-01

Optical fiber and optical device using the same

#159
20070009218
2007-01-11

Optical fiber and optical transmission line and optical communication system including such optical fiber

#160
20070003200
2007-01-04

Optical fibre having low splice loss and method for making it

#161
20060285809
2006-12-21

High SBS threshold optical fiber with fluorine dopant

#162
20060257085
2006-11-16

Fiberoptics, fiberoptic transmission line and optical transmission system

#163
20060257071
2006-11-16

Optical fiber filter for suppression of amplified spontaneous emission

#164
20060245705
2006-11-02

Method of making optical fiber and optical fiber made by the method

#165
20060245703
2006-11-02

Light source apparatus

#166
20060245689
2006-11-02

Dispersion-compensating system

#167
20060233554
2006-10-19

Optical fiber systems for delivering short high power pulses

#168
20060233503
2006-10-19

Optical fiber and optical communication system employing the optical fiber

#169
20060222308
2006-10-05

Optical fiber suitable for high-speed large-scale wdm system, optical transmission line and optical transmission system using the same

#170
20060222307
2006-10-05

Optical systems utilizing optical fibers transmitting high power signal and a method of operating such systems

#171
20060198589
2006-09-07

Optical fiber and optical interconnection system

#172
20060171648
2006-08-03

Optical fiber

#173
20060126160
2006-06-15

Dispersion compensating fiber for S-band discrete Raman amplifier

#174
20060110112
2006-05-25

Optical fiber for WDM system and manufacturing method thereof

#175
20060093297
2006-05-04

Single-mode optical fiber

#176
20060062534
2006-03-23

Dispersion compensating optical fiber and dispersion compensating optical fiber module

#177
20060062532
2006-03-23

Optical transmission fiber with thermal management for high-power applications

#178
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#179
20060039661
2006-02-23

Fiber for compensation of the cumulative chromatic dispersion in a fibre with negative chromatic dispersion

#180
20060034575
2006-02-16

Optical fiber, optical fiber ribbon, and optical interconnection system

#181
20060029346
2006-02-09

Polarization insensitive microbend fiber gratings and devices using the same

#182
20060013548
2006-01-19

Low cutoff large effective area optical fiber

#183
20060010921
2006-01-19

Tellurite optical fiber and production method thereof

#184
20060008221
2006-01-12

Highly nonlinear optical fiber and highly nonlinear optical fiber module

#185
20050286849
2005-12-29

Large kappa dispersion compensating fiber and transmission system

#186
20050274151
2005-12-15

Method of manufacturing single mode optical fiber

#187
20050265676
2005-12-01

Optical fiber for metro network

#188
20050254766
2005-11-17

Optical fiber for long-distance optical communication network

#189
20050254762
2005-11-17

Chromatic dispersion compensation module

#190
20050249471
2005-11-10

Dispersion compensating optical fiber

#191
20050244121
2005-11-03

Waveguide configuration

#192
20050232562
2005-10-20

Optical amplification fiber, optical fiber amplifier, and optical communication system

#193
20050213908
2005-09-29

Codoped Al-Yb waveguide and method of manufacturing same

#194
20050213907
2005-09-29

Nonlinear optical fiber and optical signal processing apparatus using the optical fiber

#195
20050201703
2005-09-15

Dispersion-compensating fiber, dispersion compensator, and optical transmission line

#196
20050185906
2005-08-25

Non-zero dispersion shifted optical fiber

#197
20050185905
2005-08-25

Dispersion correction fiber, transmission system and method of operating same

#198
20050175303
2005-08-11

Optical fiber for metro network

#199
20050168803
2005-08-04

Raman fiber amplifier communication systems

#200
20050163444
2005-07-28

Optical fiber having high nonlinearity

#201
20050157994
2005-07-21

Optical fiber and optical transmission line and optical communication system including such optical fiber

#202
20050135760
2005-06-23

High SBS threshold NZDS optical fiber

#203
20050111803
2005-05-26

High SBS threshold NZDS optical fiber

#204
20050111802
2005-05-26

Dispersion-shifted fiber for optical parametric amplifier

#205
20050069269
2005-03-31

Dual core photonic crystal fibers (PCF) with special dispersion properties

#206
20050063663
2005-03-24

Optical fiber containing an alkali metal oxide and methods and apparatus for manufacturing same

#207
20050058418
2005-03-17

Dispersion optimized fiber having higher spot area

#208
20050041929
2005-02-24

Joint loss minimizing connection structure for dispersion compensating optical fiber

#209
20050036752
2005-02-17

Dispersion compensated optical fiber transmission system and module including micro-structured optical fiber

#210
20050024711
2005-02-03

Optical fiber, optical fiber module, and Raman amplifier

#211
20050022562
2005-02-03

Isotopically altered optical fiber

#212
20050013572
2005-01-20

Higher order mode dispersion compensating fiber and mode converter for higher order fiber

#213
20050013571
2005-01-20

Large effective area, low kappa, dispersion compensating optical fiber and telecommunication span including same

#214
20050013569
2005-01-20

Waveguide configuration

#215
20050002627
2005-01-06

Optical fiber for extended wavelength band