ClassID:

173884

G02B6/03638 - 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

Sub-classes:
Recent Application in this class:
#1
20260003118
2026-01-01

OPTICAL FIBERS WITH LOW BEND LOSS

#2
20250347844
2025-11-13

Triple Clad Fiber

#3
20250327967
2025-10-23

HYBRID SINGLE MODE OPTICAL WAVEGUIDE

#4
20250044504
2025-02-06

CORE/CLADDING STRUCTURED FILAMENT FOR ADDITIVE MANUFACTURE OF MICROSTRUCTURE COMPONENTS

#5
20240329296
2024-10-03

PLASTIC OPTICAL FIBER, OPTICAL CORD, AND ACTIVE OPTICAL CABLE

#6
20240288628
2024-08-29

MULTICORE FIBER

#7
20230324602
2023-10-12

OPTICAL FIBERS WITH IMPROVED BEND PERFORMANCE AND MANUFACTURING METHOD THEREOF

#8
20230314699
2023-10-05

OPTICAL FIBER WITH AN ATTENUATION REDUCTION REFRACTIVE INDEX (RI) PROFILE

#9
20230213698
2023-07-06

ULTRA-LOW LOSS OPTICAL FIBERS FOR LONG HAUL COMMUNICATIONS

#10
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#11
20220291445
2022-09-15

Optical fiber for data centers

#12
20210405288
2021-12-30

Triple clad fiber

#13
20210333471
2021-10-28

Optical fiber

#14
20210141151
2021-05-13

Optical waveguide having support member, optical waveguide mounting substrate and optical transceiver

#15
20200393613
2020-12-17

Optical fiber

#16
20200354261
2020-11-12

Optical fiber bending mechanisms

#17
20200333640
2020-10-22

Adjustable beam characteristics

#18
20200116939
2020-04-16

Optical add/drop multiplexer

#19
20190383982
2019-12-19

Metasurface on optical fiber and related method

#20
20190353842
2019-11-21

Optical waveguide having support member, optical waveguide mounting substrate and optical transceiver

#21
20190278020
2019-09-12

Optical fiber, colored optical fiber, and optical transmission system

#22
20190258091
2019-08-22

Adjustable beam characteristics

#23
20190221990
2019-07-18

Spectrally multiplexing diode pump modules to improve brightness

#24
20190200467
2019-06-27

Frame-type optical member with optical fiber and multi-panel display device with same

#25
20190052043
2019-02-14

Mode mixing optical fibers and methods and systems using the same

#26
20190033526
2019-01-31

Optical module

#27
20190033515
2019-01-31

Few mode optical fibers for mode division multiplexing having intermediate trenches

#28
20180372946
2018-12-27

High-bandwidth bend-insensitive multimode optical fiber

#29
20180362392
2018-12-20

Optical fiber

#30
20180335562
2018-11-22

Bend-insensitive single mode optical fiber

#31
20180299612
2018-10-18

Flexible biodegradable polymeric step-index optical fiber

#32
20180284490
2018-10-04

Multi-function semiconductor and electronics processing

#33
20180281108
2018-10-04

DYNAMIC ASPECT RATIO RECTANGULAR LASER BEAMS

#34
20180239154
2018-08-23

Optical power density control in fiber-coupled laser

#35
20180217411
2018-08-02

Systems and methods for modifying beam characteristics

#36
20180217410
2018-08-02

Fiber optical beam delivery device producing selectable intensity profiles

#37
20180217409
2018-08-02

Fiber-coupled device for varying beam characteristics

#38
20180217408
2018-08-02

Methods of and systems for materials processing using optical beams

#39
20180217387
2018-08-02

Frequency-converted optical beams having adjustable beam characteristics

#40
20180217386
2018-08-02

All-fiber optical beam switch

#41
20180217385
2018-08-02

Multicore fiber-coupled optical probing techniques

#42
20180217325
2018-08-02

BEND-RESISTANT MINI OPTICAL FIBER AND MANUFACTURING METHOD THEREOF

#43
20180215650
2018-08-02

Optical fiber bending mechanisms

#44
20180214985
2018-08-02

Multi-operation laser tooling for deposition and material processing operations

#45
20180214980
2018-08-02

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

#46
20180214951
2018-08-02

Additive manufacturing systems and methods for the same

#47
20180180896
2018-06-28

Methods of and systems for heat deposition in additive manufacturing

#48
20180088358
2018-03-29

Adjustable beam characteristics

#49
20180088357
2018-03-29

Adjustable beam characteristics

#50
20180088343
2018-03-29

Adjustable beam characteristics

#51
20170271837
2017-09-21

Spectrally multiplexing diode pump modules to improve brightness

#52
20170242186
2017-08-24

Multimode fiber with intermediate clad layer

#53
20170135767
2017-05-18

Methods and apparatus related to a distal end portion of an optical fiber having a substantially spherical shape

#54
20170101339
2017-04-13

Method of assembling optical fiber preforms

#55
20170094814
2017-03-30

Frame-type optical member with optical fiber and multi-panel display device with same

#56
20160170138
2016-06-16

Single large mode cladding amplification in active double-clad fibers

#57
20160147012
2016-05-26

Bend-insensitive multimode optical fiber

#58
20160116671
2016-04-28

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

#59
20160097897
2016-04-07

Primary coatings for optical fibers having short gel times

#60
20160091660
2016-03-31

Quasi-single-mode optical fiber with a large effective area

#61
20160075591
2016-03-17

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

#62
20150285991
2015-10-08

COATED POLYMER CLAD OPTICAL FIBER

#63
20150280389
2015-10-01

Bridge fiber, combiner, and fiber laser device

#64
20150029580
2015-01-29

Fiber-optic system and method for manufacturing same

#65
20140204604
2014-07-24

Imaging system and related techniques

#66
20140193127
2014-07-10

Triple-sheathed monomode optical fiber

#67
20140178021
2014-06-26

Bridge fiber, combiner, and fiber laser device

#68
20140119700
2014-05-01

Non-linear fiber resistant to perturbations

#69
20140010508
2014-01-09

Optical fan-in/fan-out device

#70
20140009822
2014-01-09

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

#71
20130136407
2013-05-30

Low bend loss optical fiber

#72
20130136405
2013-05-30

Low bend loss optical fiber

#73
20130094825
2013-04-18

Optical fiber, optical fiber cord, and optical fiber cable

#74
20130071082
2013-03-21

HIGH BIREFRINGENCE POLARIZATION-MAINTAINING OPTICAL FIBER BASED ON MULTI COMPONENT SILICA GLASS

#75
20120321262
2012-12-20

PHOTONIC CRYSTAL FIBERS HAVING A PREFERRED BENDING PLANE AND SYSTEMS THAT USE SUCH FIBERS

#76
20120250143
2012-10-04

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

#77
20120092651
2012-04-19

Multimode optical fiber insensitive to bending losses

#78
20120063733
2012-03-15

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

#79
20110305251
2011-12-15

Multi-cladding optical fiber, optical fiber module, fiber laser, and fiber amplifier

#80
20110280584
2011-11-17

Optical fiber with suppressed stimulated brillouin scattering

#81
20110273718
2011-11-10

Imaging system and related techniques

#82
20110194827
2011-08-11

DMD performance in bend optimized multimode fiber

#83
20110178509
2011-07-21

METHODS AND APPARATUS RELATED TO A DISTAL END PORTION OF AN OPTICAL FIBER HAVING A SUBSTANTIALLY SPHERICAL SHAPE

#84
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#85
20110097049
2011-04-28

Optical fiber with multiple ring-shaped core regions

#86
20110044596
2011-02-24

Multi-mode bending-resistant fiber and production method thereof

#87
20110026106
2011-02-03

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

#88
20100329618
2010-12-30

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

#89
20100296171
2010-11-25

Optimizing total internal reflection multilayer optics through material selection

#90
20100276822
2010-11-04

RARE EARTH-DOPED CORE OPTICAL FIBER AND MANUFACTURING METHOD THEREOF

#91
20100202481
2010-08-12

Light emitting devices with phosphosilicate glass

#92
20100066254
2010-03-18

Light-emitting device

#93
20090317042
2009-12-24

Rare earth-doped core optical fiber and manufacturing method thereof

#94
20090262416
2009-10-22

CASCADE LASER

#95
20090251770
2009-10-08

Cladding pumped fibre laser with a high degree of pump isolation

#96
20090148112
2009-06-11

Optical fiber

#97
20090123121
2009-05-14

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

#98
20090074013
2009-03-19

Thulium doped fiber configuration for enhanced high power operation

#99
20090022463
2009-01-22

Imaging system and related techniques

#100
20090003789
2009-01-01

Imaging system and related techniques

#101
20090003765
2009-01-01

Imaging system and related techniques

#102
20080273851
2008-11-06

Waveguide configuration

#103
20080141724
2008-06-19

Dielectric waveguide and method of making the same

#104
20080124036
2008-05-29

Optical fiber and optical transmission medium

#105
20080116596
2008-05-22

Method And Apparatus For Producing Plastic Optical Fiber

#106
20080094619
2008-04-24

Optical measuring device and optical measuring method

#107
20080069508
2008-03-20

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

#108
20070230884
2007-10-04

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

#109
20070206912
2007-09-06

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

#110
20070196063
2007-08-23

Waveguide configuration

#111
20070147752
2007-06-28

Photonic crystal fibers and systems using photonic crystal fibers

#112
20070116418
2007-05-24

Low attenuation non-zero dispersion shifted optical fiber

#113
20070077016
2007-04-05

Low bend loss optical fiber

#114
20070053640
2007-03-08

Photonic crystal fibers having a preferred bending plane and systems that use such fibers

#115
20060291788
2006-12-28

Optical fiber

#116
20060263019
2006-11-23

Multimode optical fiber

#117
20060245714
2006-11-02

Fiber optic article including fluorine

#118
20060215976
2006-09-28

Multicore optical fiber with integral diffractive elements machined by ultrafast laser direct writing

#119
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#120
20060029344
2006-02-09

Fiber optic article including fluorine

#121
20060013550
2006-01-19

Optical fiber with nano-particle overclad

#122
20060013544
2006-01-19

Imaging system and related techniques

#123
20050259933
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#124
20050254764
2005-11-17

Double-clad optical fibers

#125
20050244121
2005-11-03

Waveguide configuration

#126
20050213908
2005-09-29

Codoped Al-Yb waveguide and method of manufacturing same

#127
20050191017
2005-09-01

Multi-clad doped optical fiber

#128
20050110173
2005-05-26

Apparatus and method for fabricating plastic optical fiber

#129
20050069271
2005-03-31

Optical fiber with low taper induced loss

#130
20050013569
2005-01-20

Waveguide configuration

#131
14958603
2019-10-22

3D printed fiber optics