ClassID:

173879

G02B6/03611 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding core or cladding comprising multiple layers; Highest refractive index not on central axis Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding

Recent Application in this class:
#1
20250300754
2025-09-25

COMB-BASED WAVELENGTH DIVISION MULTIPLEXING

#2
20250130365
2025-04-24

SINGLE MODE OPTICAL FIBER OPTIMIZED TO OPERATE IN O AND E BAND, AND CORRESPONDING OPTICAL TRANSMISSION SYSTEM

#3
20240418931
2024-12-19

BENDING-RESISTANT LOW-CROSSTALK PHOTONIC ORBITAL ANGULAR MOMENTUM FIBER WAVEGUIDE

#4
20240327271
2024-10-03

OPTICAL FIBER AND OPTICAL FIBER BASE MATERIAL

#5
20230185017
2023-06-15

MULTI-CORE OPTICAL FIBER AND MULTI-CORE OPTICAL FIBER CABLE

#6
20230119937
2023-04-20

Laser systems utilizing fiber bundles for power delivery and beam switching

#7
20230064605
2023-03-02

Low-crosstalk large-capacity few-mode optical fiber

#8
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#9
20220229226
2022-07-21

Optical fiber and optical transmission module

#10
20220209486
2022-06-30

In-fiber offset to annulus converter

#11
20220091328
2022-03-24

Low-dispersion single-mode optical fiber

#12
20210286200
2021-09-16

METHODS OF AND SYSTEMS FOR PROCESSING USING ADJUSTABLE BEAM CHARACTERISTICS

#13
20210203123
2021-07-01

Laser systems utilizing fiber bundles for power delivery and beam switching

#14
20210018685
2021-01-21

Elastomeric optical fiber alignment and coupling device

#15
20210003774
2021-01-07

Multicore optical fiber and multicore optical fiber cable

#16
20200361809
2020-11-19

Method of manufacturing an optical fiber using axial tension control to reduce axial variations in optical properties

#17
20200333640
2020-10-22

Adjustable beam characteristics

#18
20200333528
2020-10-22

Optical fiber, coated optical fiber, and optical transmission system

#19
20200280165
2020-09-03

Laser systems utilizing fiber bundles for power delivery and beam switching

#20
20200116926
2020-04-16

USE OF VARIABLE BEAM PARAMETERS TO CONTROL SOLIDIFICATION OF A MATERIAL

#21
20200018901
2020-01-16

Rotary optical beam generator

#22
20190384000
2019-12-19

OPTICAL FIBER

#23
20190383998
2019-12-19

Laser processing apparatus and method

#24
20190346636
2019-11-14

Annular-beam coupling system

#25
20190278021
2019-09-12

Optical fiber line and optical fiber line manufacturing method

#26
20190278020
2019-09-12

Optical fiber, colored optical fiber, and optical transmission system

#27
20190235168
2019-08-01

Elastomeric optical fiber alignment and coupling device

#28
20190227224
2019-07-25

Band-gap tunable elastic optical multilayer fibers

#29
20190214783
2019-07-11

Laser systems utilizing fiber bundles for power delivery and beam switching

#30
20190196104
2019-06-27

Optical fibre and optical fibre device

#31
20190129093
2019-05-02

Optical fibers and optical systems comprising the same

#32
20190033512
2019-01-31

OPTICAL DEVICE

#33
20180356590
2018-12-13

Multicore fiber

#34
20180217386
2018-08-02

All-fiber optical beam switch

#35
20180217385
2018-08-02

Multicore fiber-coupled optical probing techniques

#36
20180217324
2018-08-02

Production of temporally apparent intensity distribution by rapid perturbation of variable beam characteristics optical fiber

#37
20180214985
2018-08-02

Multi-operation laser tooling for deposition and material processing operations

#38
20180210212
2018-07-26

Optical fibers and optical systems comprising the same

#39
20180203185
2018-07-19

Fiber with depressed central index for increased beam parameter product

#40
20180188544
2018-07-05

Method and system for cutting a material using a laser having adjustable beam characteristics

#41
20180180803
2018-06-28

Use of variable beam parameters to control solidification of a material

#42
20180143377
2018-05-24

Rotary optical beam generator

#43
20180095219
2018-04-05

Low bend loss single mode optical fiber with bromine up-doped cladding

#44
20170351029
2017-12-07

OPTICAL FIBER ASSEMBLY WITH BEAM SHAPING COMPONENT

#45
20170305781
2017-10-26

Optical fiber

#46
20170235055
2017-08-17

Optical coupler, laser device, and taper fiber

#47
20170131468
2017-05-11

Optical fiber and optical fiber transmission path

#48
20170108642
2017-04-20

Optical fiber

#49
20170075060
2017-03-16

Optical fiber

#50
20160268757
2016-09-15

Optical fiber for amplification and optical fiber amplifier using the same

#51
20160214886
2016-07-28

Optical fiber preform

#52
20160209584
2016-07-21

Acoustically enhanced optical cables

#53
20160154175
2016-06-02

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

#54
20160116671
2016-04-28

Light-diffusing optical fiber having nanostructured inner and outer core regions

#55
20150362669
2015-12-17

Band-gap tunable elastic optical multilayer fibers

#56
20150316712
2015-11-05

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

#57
20150285992
2015-10-08

Optical fiber preform

#58
20150280389
2015-10-01

Bridge fiber, combiner, and fiber laser device

#59
20150234120
2015-08-20

Optical device

#60
20150226915
2015-08-13

Optical fiber

#61
20150226914
2015-08-13

OPTICAL FIBER

#62
20150139595
2015-05-21

Device for converting the transverse spatial profile of intensity of a light beam, preferably using a microstructured optical fibre

#63
20150104139
2015-04-16

System and method for optical fiber

#64
20150098682
2015-04-09

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

#65
20150063824
2015-03-05

Optical fiber transmission line

#66
20150063754
2015-03-05

Universal optical fibers for optical fiber connectors

#67
20140233900
2014-08-21

Microstructured optical fibre having a large core and a flattened fundamental mode, production method thereof and use of same in laser microfabrication

#68
20140161404
2014-06-12

Multicore fiber designs for spatial multiplexing

#69
20140127507
2014-05-08

Method for manufacturing optical fiber base material, and optical fiber

#70
20140093205
2014-04-03

Step-index few-mode fiber designs for spatial multiplexing

#71
20140036348
2014-02-06

Few mode rare earth doped optical fibers for optical amplifiers, and amplifiers using such fibers

#72
20130243379
2013-09-19

Multi-mode optical fiber

#73
20130216176
2013-08-22

Sensing systems and few-mode optical fiber for use in such systems

#74
20130188917
2013-07-25

Optical fiber and optical fiber preform

#75
20130101261
2013-04-25

Radiation-resistant rare-earth-doped optical fiber and method of radiation-hardening a rare-earth-doped optical fiber

#76
20130077925
2013-03-28

Optical fiber

#77
20130034326
2013-02-07

Single mode high power fiber laser system

#78
20120321264
2012-12-20

Double clad optical fiber with sealed stripped portion

#79
20120269209
2012-10-25

Single mode high power fiber laser system

#80
20120263427
2012-10-18

Optical fiber and optical fiber preform

#81
20120251126
2012-10-04

Optical fibers with tubular optical cores

#82
20120192593
2012-08-02

Method for producing optical fiber preform

#83
20120141078
2012-06-07

Optical fiber

#84
20120105947
2012-05-03

Amplification optical fiber and optical fiber amplifier and resonator using the same

#85
20120076452
2012-03-29

Sensing device having a large diameter D-shaped optical waveguide

#86
20110235166
2011-09-29

Apparatus and method of generating nearly non-diffracting beams from multimode optical fibers

#87
20110205349
2011-08-25

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

#88
20110142404
2011-06-16

Bend insensitive single mode fiber

#89
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#90
20110141555
2011-06-16

Auto-cladded multi-core optical fibers

#91
20110064095
2011-03-17

Single-mode high-power fiber laser system

#92
20100303402
2010-12-02

Phase-engineered fibers for use in generating cylindrical vector beams

#93
20100150497
2010-06-17

Evanescent sensor using a hollow-core ring mode waveguide

#94
20100046899
2010-02-25

Low bend loss single mode optical fiber

#95
20100027951
2010-02-04

Low bend loss single mode optical fiber

#96
20090317040
2009-12-24

Optical fiber and optical fiber preform

#97
20090263091
2009-10-22

Optical fiber

#98
20090202191
2009-08-13

Systems and techniques for generating cylindrical vector beams

#99
20090135877
2009-05-28

Lighting device equipped with coaxial line laser diodes and fabrication method thereof

#100
20090060436
2009-03-05

Large effective area high SBS threshold optical fiber

#101
20090041064
2009-02-12

Higher Order Mode Optical Fiber Laser or Amplifier

#102
20080260338
2008-10-23

Optical fiber having wave-guiding rings

#103
20080205839
2008-08-28

Large effective area high SBS threshold optical fiber

#104
20080142828
2008-06-19

Coaxial light-guide system consisting of coaxial light-guide fiber basing its refractive index profiles on radii and with its coaxial both semiconductor light sources and semiconductor detectors

#105
20080131065
2008-06-05

Large-mode-area, multimode, hybrid optical fibers and devices using same

#106
20080116595
2008-05-22

Plastic Optical Fiber Preform and Method for Manufacturing The Same

#107
20080101755
2008-05-01

Single-mode optical fiber

#108
20080095495
2008-04-24

Evanescent sensor using a hollow-core ring mode waveguide

#109
20080069506
2008-03-20

Optical fibers for high power applications

#110
20080063348
2008-03-13

Optical fiber

#111
20080063347
2008-03-13

Method for the manufacture of optical fibers and improved optical fibers

#112
20080056654
2008-03-06

Low bend loss single mode optical fiber

#113
20080025363
2008-01-31

Optical fiber gain medium with modal discrimination of amplification

#114
20080013901
2008-01-17

Macro-bending insensitive optical fiber

#115
20080008432
2008-01-10

Waveguide configuration

#116
20070274651
2007-11-29

Large mode area fibers using higher order modes

#117
20070248308
2007-10-25

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

#118
20070206912
2007-09-06

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

#119
20070206900
2007-09-06

Ring core fiber

#120
20070196062
2007-08-23

Optical fiber

#121
20070196061
2007-08-23

Multiband optical fiber

#122
20070189699
2007-08-16

Optical fiber and transmission system, and wavelength division multiplexing system

#123
20070189684
2007-08-16

Single-mode optical fiber

#124
20070147756
2007-06-28

Single-mode optical fiber

#125
20070140634
2007-06-21

Gain-producing, large-mode-area, multimode, hybrid optical fibers and devices using same

#126
20070077016
2007-04-05

Low bend loss optical fiber

#127
20070077004
2007-04-05

Large mode area fibers using higher order modes

#128
20070003200
2007-01-04

Optical fibre having low splice loss and method for making it

#129
20060269200
2006-11-30

Large mode area fibers using higher order modes

#130
20060257071
2006-11-16

Optical fiber filter for suppression of amplified spontaneous emission

#131
20060251367
2006-11-09

Fiber optic coupler, optical fiber useful with the coupler and/or a pump light source, and methods of coupling light

#132
20060245705
2006-11-02

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

#133
20060204189
2006-09-14

Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiber

#134
20060171648
2006-08-03

Optical fiber

#135
20060107892
2006-05-25

Apparatus and method for fabricating preform for plastic optical fiber by successive UV polymerization

#136
20060103919
2006-05-18

Large mode area fibers using higher order modes

#137
20060088262
2006-04-27

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

#138
20060088261
2006-04-27

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

#139
20060045451
2006-03-02

Triple-band bend tolerant optical waveguide

#140
20060045450
2006-03-02

Broadband optical fiber

#141
20060045449
2006-03-02

Triple-band bend tolerant optical waveguide

#142
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#143
20060039663
2006-02-23

Optical fiber having enhanced separation of higher-order modes

#144
20050286848
2005-12-29

Optical fibers with reduced splice loss and methods for making same

#145
20050274151
2005-12-15

Method of manufacturing single mode optical fiber

#146
20050271347
2005-12-08

Optical fiber and method for making such fiber

#147
20050265678
2005-12-01

Optical fiber for delivering optical energy to or from a work object

#148
20050226580
2005-10-13

Optical fiber for handling higher powers

#149
20050226573
2005-10-13

Optical fiber tape core

#150
20050185906
2005-08-25

Non-zero dispersion shifted optical fiber

#151
20050168803
2005-08-04

Raman fiber amplifier communication systems

#152
20050147369
2005-07-07

Core of an optical patch cord and an optical signal transmission system using the same and a method for preparing the same

#153
20050123257
2005-06-09

Optical fiber of complex index profile

#154
20050063663
2005-03-24

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

#155
20050063656
2005-03-24

Optical fiber for improved performance in S-, C- and L-bands

#156
20050063654
2005-03-24

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

#157
20050058418
2005-03-17

Dispersion optimized fiber having higher spot area

#158
20050031262
2005-02-10

Fresnel zoned microstructured fibre and lens

#159
20050025501
2005-02-03

Unrepeatered optical communication system with suppressed SBS

#160
20050013571
2005-01-20

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