ClassID:

173883

G02B6/03633 - 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 2 layers only arranged - -

Recent Application in this class:
#1
20260098810
2026-04-09

SIMULTANEOUS CONFOCAL AND NON-CONFOCAL RAMAN SPECTROSCOPY

#2
20260063837
2026-03-05

OPTICAL FIBER

#3
20250284049
2025-09-11

OPTICAL FIBER

#4
20250007609
2025-01-02

STEP-INDEX MULTIMODE FIBER, METHOD OF PROCESSING STEP-INDEX MULTIMODE FIBER, AND SYSTEMS AND METHODS FOR HIGHLY DENSE MODE DIVISION MULTIPLEXING INCORPORATING A STEP-INDEX MULTIMODE FIBER

#5
20240255693
2024-08-01

PLASTIC OPTICAL FIBER, MEDICAL LIGHTING DEVICE, MEDICAL SENSOR DEVICE, MEDICAL PHOTOTHERAPY DEVICE, AND PLASTIC OPTICAL FIBER CORD

#6
20240230985
2024-07-11

Microstructured Optical Fiber, Supercontinuum Light Source Comprising Microstructured Optical Fiber and use of Such Light Source

#7
20240103261
2024-03-28

HYBRID OPTICAL FIBER, ENDOSCOPIC SYSTEM, AND METHOD FOR EXAMINING A SAMPLE

#8
20230324606
2023-10-12

Optical fiber

#9
20230314696
2023-10-05

Graded-index polymer optical fibre and the fabrication thereof

#10
20230119937
2023-04-20

Laser systems utilizing fiber bundles for power delivery and beam switching

#11
20230106986
2023-04-06

LOW-LOSS COUPLING BETWEEN SINGLE-CORE AND MULTI-CORE FIBERS

#12
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#13
20220326433
2022-10-13

Microstructured optical fiber, supercontinuum light source comprising microstructured optical fiber and use of such light source

#14
20220206215
2022-06-30

Optical fiber

#15
20220187531
2022-06-16

Low moat volume single mode ultra-low loss fiber

#16
20220026629
2022-01-27

Low cross-talk multicore optical fiber for single mode operation

#17
20210203123
2021-07-01

Laser systems utilizing fiber bundles for power delivery and beam switching

#18
20210109303
2021-04-15

Fiber optic cable

#19
20210026063
2021-01-28

Optical fibers for single mode and few mode vertical-cavity surface-emitting laser-based optical fiber transmission systems

#20
20210018689
2021-01-21

Multi-clad optical fiber with taper portion, and optical fiber device having same

#21
20210003774
2021-01-07

Multicore optical fiber and multicore optical fiber cable

#22
20200400882
2020-12-24

Optical fiber

#23
20200354261
2020-11-12

Optical fiber bending mechanisms

#24
20200333640
2020-10-22

Adjustable beam characteristics

#25
20200326474
2020-10-15

Supercontinuum light source comprising tapered microstructured optical fiber

#26
20200305732
2020-10-01

Systems and methods of combined optical coherence tomography and pressure measurement

#27
20200280165
2020-09-03

Laser systems utilizing fiber bundles for power delivery and beam switching

#28
20200191980
2020-06-18

PLASTIC SCINTILLATING FIBER AND METHOD FOR PRODUCING SAME

#29
20200150336
2020-05-14

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

#30
20200116925
2020-04-16

Optical fiber and optical transmission system

#31
20200081181
2020-03-12

Optical fiber with specialized figure-of-merit and applications therefor

#32
20200073049
2020-03-05

Optical fiber with reducing light bias for lighting and manufacturing method of the same

#33
20190384000
2019-12-19

OPTICAL FIBER

#34
20190379174
2019-12-12

Optical fiber amplifier

#35
20190310416
2019-10-10

Optical fiber and laser device

#36
20190258091
2019-08-22

Adjustable beam characteristics

#37
20190214783
2019-07-11

Laser systems utilizing fiber bundles for power delivery and beam switching

#38
20190204509
2019-07-04

High-numerical aperture light stripper

#39
20190052043
2019-02-14

Mode mixing optical fibers and methods and systems using the same

#40
20190049662
2019-02-14

Supercontinuum light source comprising tapered microstructured optical fiber

#41
20190049660
2019-02-14

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

#42
20180335564
2018-11-22

Optical fiber with specialized figure-of-merit and applications therefor

#43
20180321438
2018-11-08

Low bend loss optical fiber with a germania doped core

#44
20180292604
2018-10-11

BEND-INSENSITIVE SINGLE-MODE OPTICAL FIBER FOR FUSED BICONICAL TAPER FIBER OPTIC COUPLER

#45
20180252886
2018-09-06

Fiber optic cable

#46
20180239154
2018-08-23

Optical power density control in fiber-coupled laser

#47
20180217411
2018-08-02

Systems and methods for modifying beam characteristics

#48
20180217410
2018-08-02

Fiber optical beam delivery device producing selectable intensity profiles

#49
20180217409
2018-08-02

Fiber-coupled device for varying beam characteristics

#50
20180217408
2018-08-02

Methods of and systems for materials processing using optical beams

#51
20180217386
2018-08-02

All-fiber optical beam switch

#52
20180217385
2018-08-02

Multicore fiber-coupled optical probing techniques

#53
20180215650
2018-08-02

Optical fiber bending mechanisms

#54
20180214985
2018-08-02

Multi-operation laser tooling for deposition and material processing operations

#55
20180214980
2018-08-02

Beam modification structures and methods of modifying optical beam characteristics using the beam modification structures

#56
20180214951
2018-08-02

Additive manufacturing systems and methods for the same

#57
20180203186
2018-07-19

Amplification optical fiber and laser device

#58
20180203183
2018-07-19

Method and apparatus for producing crystalline cladding and crystalline core optical fibers

#59
20180202843
2018-07-19

Distributed fiber sensors and systems employing hybridcore optical fibers

#60
20180180896
2018-06-28

Methods of and systems for heat deposition in additive manufacturing

#61
20180159299
2018-06-07

Laser systems utilizing fiber bundles for power delivery and beam switching

#62
20180088358
2018-03-29

Adjustable beam characteristics

#63
20180088357
2018-03-29

Adjustable beam characteristics

#64
20180088343
2018-03-29

Adjustable beam characteristics

#65
20180057396
2018-03-01

Single mode optical fibers with Brillouin frequency-shift management

#66
20180039019
2018-02-08

Bending-insensitive single-mode fiber with ultra low attenuation

#67
20180031761
2018-02-01

Low loss single mode fiber with chlorine doped core

#68
20180026415
2018-01-25

Active optical fibre

#69
20170363805
2017-12-21

Optical fiber rod, optical fiber, image fiber, and method for manufacturing optical fiber rod

#70
20170343730
2017-11-30

Single mode propagation in fibers and rods with large leakage channels

#71
20170336558
2017-11-23

Optical fiber and method of manufacturing the same

#72
20170123148
2017-05-04

Rare-earth doped gain fibers

#73
20170085051
2017-03-23

Supercontinuum light source comprising tapered microstructured optical fiber

#74
20170075060
2017-03-16

Optical fiber

#75
20170031091
2017-02-02

Method and apparatus for producing crystalline cladding and crystalline core optical fibers

#76
20170031089
2017-02-02

Single mode fibre with a trapezoid core, showing reduced losses

#77
20160377824
2016-12-29

Coupling system for a fiber optic cable

#78
20160370540
2016-12-22

Manufacture of multi-mode optical fibers

#79
20160291247
2016-10-06

Single mode propagation in fibers and rods with large leakage channels

#80
20160231585
2016-08-11

Laser light illumination systems with speckle reduction and speckle reduction methods

#81
20160216468
2016-07-28

Coupling system for a fiber optic cable

#82
20160209585
2016-07-21

Optical fiber and manufacturing method thereof

#83
20160156148
2016-06-02

Microstructured optical fiber, supercontinuum light source comprising microstructured optical fiber and use of such light source

#84
20160154175
2016-06-02

Optical transmission systems and methods using a QSM large-effective-area optical fiber

#85
20160126692
2016-05-05

Polarization-maintaining (PM) double-clad (DC) optical fiber

#86
20160116660
2016-04-28

Double clad light diffusing fiber, connector system and illuminaire

#87
20150318659
2015-11-05

Amplifying optical fiber and optical amplifier

#88
20150316713
2015-11-05

OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM

#89
20150299024
2015-10-22

Tubular semifinished product for producing an optical fiber

#90
20150293300
2015-10-15

Single-mode, bend-compensated, large-mode-area optical fibers designed to accomodate simplified fabrication and tighter bends

#91
20150285992
2015-10-08

Optical fiber preform

#92
20150253498
2015-09-10

Framework for the design of optimum and near-optimum broadband multi-mode optical fibers by core doping

#93
20150241651
2015-08-27

Fiber optic cable

#94
20150160408
2015-06-11

Multicore optical fiber with multimode cores

#95
20150147039
2015-05-28

Multicore fiber

#96
20150131955
2015-05-14

Light diffusing fiber with low melting temperature glass

#97
20150029580
2015-01-29

Fiber-optic system and method for manufacturing same

#98
20140362878
2014-12-11

Mode filter with refractive index modification

#99
20140199039
2014-07-17

Multi-core fiber and method of positioning of core of multi-core fiber

#100
20140186040
2014-07-03

Optical coupling/splitting device, two-way optical propagation device, and optical-transmit-receive system

#101
20140161404
2014-06-12

Multicore fiber designs for spatial multiplexing

#102
20140119694
2014-05-01

Techniques and devices for low-loss coupling to a multicore fiber

#103
20140093205
2014-04-03

Step-index few-mode fiber designs for spatial multiplexing

#104
20140016904
2014-01-16

Fiber optic cable

#105
20140009822
2014-01-09

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

#106
20130336343
2013-12-19

OPTICAL FIBER, OPTICAL FIBER LASER AND OPTICAL FIBER AMPLIFIER, AND METHOD OF MANUFACTURING OPTICAL FIBER

#107
20130287353
2013-10-31

Hybrid single-mode and multimode optical fiber

#108
20130136405
2013-05-30

Low bend loss optical fiber

#109
20130077925
2013-03-28

Optical fiber

#110
20130044988
2013-02-21

Coupled multicore fiber

#111
20120324960
2012-12-27

Method and tubular semifinished product for producing an optical fiber

#112
20120324958
2012-12-27

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

#113
20120321264
2012-12-20

Double clad optical fiber with sealed stripped portion

#114
20120263427
2012-10-18

Optical fiber and optical fiber preform

#115
20120250143
2012-10-04

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

#116
20120141078
2012-06-07

Optical fiber

#117
20120099609
2012-04-26

Single mode propagation in fibers and rods with large leakage channels

#118
20120063733
2012-03-15

Optical fiber, in particular a laser fiber containing a doped glass fiber core and cladding around the fiberglass core

#119
20120052213
2012-03-01

METHOD FOR RECOATING DOUBLE CLAD OPTICAL FIBER

#120
20120008907
2012-01-12

Optical fiber

#121
20110280584
2011-11-17

Optical fiber with suppressed stimulated brillouin scattering

#122
20110226940
2011-09-22

Fused fiber optic coupler arrangement and method for use thereof

#123
20110211797
2011-09-01

Optical fiber with increased mechanical strength

#124
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#125
20110097049
2011-04-28

Optical fiber with multiple ring-shaped core regions

#126
20110044596
2011-02-24

Multi-mode bending-resistant fiber and production method thereof

#127
20110038587
2011-02-17

MULTI-CLAD OPTICAL FIBER

#128
20110026106
2011-02-03

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

#129
20100329618
2010-12-30

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

#130
20100322575
2010-12-23

Single mode propagation in fibers and rods with large leakage channels

#131
20100303402
2010-12-02

Phase-engineered fibers for use in generating cylindrical vector beams

#132
20100276822
2010-11-04

RARE EARTH-DOPED CORE OPTICAL FIBER AND MANUFACTURING METHOD THEREOF

#133
20100272406
2010-10-28

Bend Resistant Multimode Optical Fiber

#134
20100232755
2010-09-16

Single mode optical fiber as well as optical communication system

#135
20100202481
2010-08-12

Light emitting devices with phosphosilicate glass

#136
20100183272
2010-07-22

OPTICAL FIBER

#137
20100178504
2010-07-15

Bend insensitive optical fibers with low refractive index glass rings

#138
20100135339
2010-06-03

High power fiber laser system with cladding light stripper

#139
20100103959
2010-04-29

Selectively pumping a gain-doped region of an optical fiber

#140
20100067860
2010-03-18

RARE EARTH-DOPED CORE OPTICAL FIBER

#141
20100034500
2010-02-11

Sequentially increasing effective area in higher-order mode (HOM) Signal Propagation

#142
20100027938
2010-02-04

Pumping in a Higher-Order Mode That is Substantially Identical To a Signal Mode

#143
20100021118
2010-01-28

Double-clad optical fibers and devices with double-clad optical fibers

#144
20100021114
2010-01-28

Double-clad optical fibers and devices with double-clad optical fibers

#145
20100008664
2010-01-14

Preventing dielectric breakdown in optical fibers

#146
20100008633
2010-01-14

Segmented gain-doping of an optical fiber

#147
20100002992
2010-01-07

Pumping in a higher-order mode that is different from a signal mode

#148
20090317042
2009-12-24

Rare earth-doped core optical fiber and manufacturing method thereof

#149
20090297104
2009-12-03

Fiber optic cable

#150
20090262416
2009-10-22

CASCADE LASER

#151
20090251770
2009-10-08

Cladding pumped fibre laser with a high degree of pump isolation

#152
20090238526
2009-09-24

Optical transmission fiber with thermal management for high power applications

#153
20090202191
2009-08-13

Systems and techniques for generating cylindrical vector beams

#154
20090196560
2009-08-06

Polymer clad optical fiber

#155
20090185780
2009-07-23

Fluorine-doped optical fiber

#156
20090123121
2009-05-14

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

#157
20090103874
2009-04-23

OPTICAL FIBER, A FIBER LASER, A FIBER AMPLIFIER AND ARTICLES COMPRISING SUCH ELEMENTS

#158
20090074351
2009-03-19

Optical fiber, and optical access network, local area network and optical parts for communication, which use the optical fiber

#159
20090060438
2009-03-05

Optical fiber and production method thereof

#160
20090041064
2009-02-12

Higher Order Mode Optical Fiber Laser or Amplifier

#161
20080273851
2008-11-06

Waveguide configuration

#162
20080239471
2008-10-02

Optical module and processing method

#163
20080181567
2008-07-31

High numerical aperture fiber

#164
20080166094
2008-07-10

Bend resistant multimode optical fiber

#165
20080138021
2008-06-12

Fluorine-doped optical fiber

#166
20080123694
2008-05-29

Fiber laser apparatus

#167
20080116595
2008-05-22

Plastic Optical Fiber Preform and Method for Manufacturing The Same

#168
20080101755
2008-05-01

Single-mode optical fiber

#169
20080080823
2008-04-03

Rare earth doped optical fiber

#170
20080069508
2008-03-20

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

#171
20080013904
2008-01-17

Optical fiber, manufacturing method of the same, and optical amplifier

#172
20080008432
2008-01-10

Waveguide configuration

#173
20070286560
2007-12-13

Optical connection method and optical transmission apparatus

#174
20070263970
2007-11-15

Optical fiber, and optical transmission line and optical transmission system using the same

#175
20070229938
2007-10-04

White light-emitting device using fluorescent fiber

#176
20070217753
2007-09-20

Plastic optical fiber and production method thereof

#177
20070206912
2007-09-06

Apparatus and method for a waveguide with an index profile manifesting a central dip for better energy extraction

#178
20070206900
2007-09-06

Ring core fiber

#179
20070196063
2007-08-23

Waveguide configuration

#180
20070189699
2007-08-16

Optical fiber and transmission system, and wavelength division multiplexing system

#181
20070189684
2007-08-16

Single-mode optical fiber

#182
20070122103
2007-05-31

White light-emitting device using fluorescent fiber

#183
20070116418
2007-05-24

Low attenuation non-zero dispersion shifted optical fiber

#184
20070058914
2007-03-15

Tunable fiber amplifier and laser

#185
20070041688
2007-02-22

Single mode optical fibre as well as optical communication system

#186
20060285809
2006-12-21

High SBS threshold optical fiber with fluorine dopant

#187
20060263024
2006-11-23

Single mode propagation in fibers and rods with large leakage channels

#188
20060245707
2006-11-02

Optical transmission fiber with a glass guiding cladding

#189
20060245705
2006-11-02

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

#190
20060245689
2006-11-02

Dispersion-compensating system

#191
20060222307
2006-10-05

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

#192
20060147168
2006-07-06

Method of preventing optical fiber failure in high power application

#193
20060140561
2006-06-29

Single mode optical fiber with particular graded index as well as optical communication system

#194
20060062532
2006-03-23

Optical transmission fiber with thermal management for high-power applications

#195
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#196
20060010921
2006-01-19

Tellurite optical fiber and production method thereof

#197
20050274151
2005-12-15

Method of manufacturing single mode optical fiber

#198
20050259932
2005-11-24

Optical fiber and a method for manufacturing same

#199
20050254764
2005-11-17

Double-clad optical fibers

#200
20050244121
2005-11-03

Waveguide configuration

#201
20050226580
2005-10-13

Optical fiber for handling higher powers

#202
20050175290
2005-08-11

Preform for plastic optical material, production method thereof, optical coupling method of plastic optical fiber and connector used for optical coupling

#203
20050157999
2005-07-21

Graded index polymer optical fiber and a method of making the same

#204
20050135760
2005-06-23

High SBS threshold NZDS optical fiber

#205
20050111802
2005-05-26

Dispersion-shifted fiber for optical parametric amplifier

#206
20050100306
2005-05-12

Method for producing base material for optical fiber having deformed first clad, base material for optical fiber and optical fiber

#207
20050069271
2005-03-31

Optical fiber with low taper induced loss

#208
20050069270
2005-03-31

Large mode field diameter optical fiber

#209
20050008313
2005-01-13

Cladding-pumped optical fiber and methods for fabricating