ClassID:

173894

G02B6/03694 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding core or cladding comprising multiple layers Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties

Recent Application in this class:
#1
20260072208
2026-03-12

ACTUATABLE OPTICAL WAVEGUIDE

#2
20260050117
2026-02-19

TRI-LAYER CERAMIC OPTICAL FIBERS AND METHOD OF MAKING

#3
20260023212
2026-01-22

OPTICAL FIBER, OPTICAL FIBER PREFORM, AND METHOD OF MANUFACTURING OPTICAL FIBER

#4
20250355161
2025-11-20

POLARIZATION-MAINTAINING OPTICAL FIBER

#5
20250216597
2025-07-03

SINGLE MODE OPTICAL FIBER

#6
20250155635
2025-05-15

WAVEGUIDE WITH MULTIPLE SETS OF LAYERS

#7
20250072966
2025-03-06

MEDICAL LASER FIBER

#8
20250067924
2025-02-27

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

#9
20250060529
2025-02-20

TRI-LAYER CERAMIC OPTICAL FIBERS AND METHOD OF MAKING

#10
20250052949
2025-02-13

OPTICAL FIBER AND METHOD FOR PRODUCING OPTICAL FIBER

#11
20240280746
2024-08-22

OPTICAL FIBER

#12
20240280745
2024-08-22

MULTICORE OPTICAL FIBER AND MULTICORE OPTICAL FIBER CABLE

#13
20240111087
2024-04-04

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

#14
20230408759
2023-12-21

MULTICORE FIBER, MANUFACTURING METHOD FOR MULTICORE FIBER, MULTICORE FIBER PREFORM, AND MANUFACTURING METHOD FOR MULTICORE FIBER PREFORM

#15
20230329787
2023-10-19

Medical laser fiber

#16
20230314699
2023-10-05

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

#17
20230305224
2023-09-28

MULTI-CLAD OPTICAL FIBERS

#18
20230228937
2023-07-20

Optical fiber and method for producing optical fiber

#19
20230152514
2023-05-18

Gain flattening filter, and method for manufacturing gain flattening filter

#20
20230119397
2023-04-20

Heating atom-vapor cell using an optical fiber

#21
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#22
20220342148
2022-10-27

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

#23
20220206214
2022-06-30

Optical fiber

#24
20220162541
2022-05-26

ILLUMINATION SYSTEM FOR A PHOTOSYNTHETIC ORGANISM-GROWING MEDIUM

#25
20220107272
2022-04-07

Coated fiber optic chemical and radiation sensors

#26
20220011506
2022-01-13

Optical fibers, methods of their formation, and methods of their use

#27
20220011505
2022-01-13

Optical fiber

#28
20210311251
2021-10-07

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

#29
20210286200
2021-09-16

METHODS OF AND SYSTEMS FOR PROCESSING USING ADJUSTABLE BEAM CHARACTERISTICS

#30
20210247566
2021-08-12

OPTICAL FIBRE HAVING CENTERLINE CORE PROFILE

#31
20210244471
2021-08-12

Medical laser fiber

#32
20210157062
2021-05-27

Optical fiber connector assembly with ferrule microhole interference fit and related methods

#33
20210132291
2021-05-06

Optical fiber

#34
20210072458
2021-03-11

Reduced diameter optical fiber and manufacturing method

#35
20210063635
2021-03-04

Fiber amplifier system resistance to nonlinear spectral broadening and decoherence

#36
20210055490
2021-02-25

High-density FAUs and optical interconnection devices employing small diameter low attenuation optical fiber

#37
20210033780
2021-02-04

Universal optical fiber

#38
20200400879
2020-12-24

OPTICAL FIBER

#39
20200400877
2020-12-24

Array-type polarization-maintaining multi-core fiber

#40
20200379171
2020-12-03

Systems and methods for quantum communication using optical fiber links having a scattering region

#41
20200333640
2020-10-22

Adjustable beam characteristics

#42
20200319408
2020-10-08

Methods of and systems for processing using adjustable beam characteristics

#43
20200319401
2020-10-08

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

#44
20200249393
2020-08-06

Optical fiber

#45
20200247709
2020-08-06

Optical fiber preform, method for manufacturing optical fiber preform, and method for setting striae pitch of optical fiber preform

#46
20200225408
2020-07-16

Optical device and method for manufacturing optical device

#47
20200216356
2020-07-09

Light diffusing optical fibers for emitting white light

#48
20200209469
2020-07-02

Stress-managed specialty fiber for sensory application

#49
20200192023
2020-06-18

High-density optical fiber ribbon with cladding-strengthened glass optical fibers in a common protective coating and fiber ribbon interconnects employing same

#50
20200191980
2020-06-18

PLASTIC SCINTILLATING FIBER AND METHOD FOR PRODUCING SAME

#51
20200166685
2020-05-28

Optical waveguide for use with a cable or line

#52
20200048137
2020-02-13

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

#53
20200029820
2020-01-30

Infrared otoscope for characterization of effusion

#54
20200018897
2020-01-16

Rare earth-doped double-clad optical fiber and preparation method thereof

#55
20200018896
2020-01-16

Anti-cracking panda-type polarization-maintaining optical fiber

#56
20190331850
2019-10-31

Small diameter low attenuation optical fiber

#57
20190331849
2019-10-31

Small outer diameter low attenuation optical fiber

#58
20190324195
2019-10-24

Optical fiber

#59
20190278020
2019-09-12

Optical fiber, colored optical fiber, and optical transmission system

#60
20190258001
2019-08-22

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

#61
20190200873
2019-07-04

Infrared otoscope for characterization of effusion

#62
20190196106
2019-06-27

Inter-mode loss difference compensator and optical amplifier

#63
20190196104
2019-06-27

Optical fibre and optical fibre device

#64
20190170934
2019-06-06

Reduced diameter optical fiber and manufacturing method

#65
20190170609
2019-06-06

Birefringent multi-peak optical reference element and birefringent sensor system

#66
20190162899
2019-05-30

Few-mode optical fiber

#67
20190142517
2019-05-16

Medical laser fiber

#68
20190121010
2019-04-25

UNIFORM EFFICIENT LIGHT DIFFUSING FIBER

#69
20180362392
2018-12-20

Optical fiber

#70
20180299616
2018-10-18

Optical device including poled crystal region and amorphous region

#71
20180267233
2018-09-20

Cladding mode stripper for use with optical systems and methods of forming the same

#72
20180203186
2018-07-19

Amplification optical fiber and laser device

#73
20180196192
2018-07-12

Method for manufacturing high frequency signal transmission structure and high frequency signal transmission structure obtained thereby

#74
20180180813
2018-06-28

Methods of and systems for processing using adjustable beam characteristics

#75
20180120502
2018-05-03

Multi-core fiber

#76
20180120501
2018-05-03

Multicore fiber

#77
20180095221
2018-04-05

Optical fiber

#78
20180095219
2018-04-05

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

#79
20170351023
2017-12-07

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

#80
20170343730
2017-11-30

Single mode propagation in fibers and rods with large leakage channels

#81
20170328741
2017-11-16

Triboluminescent optical fiber sensing patch

#82
20170305781
2017-10-26

Optical fiber

#83
20170285261
2017-10-05

Method and apparatus for fabrication of metal-coated optical fiber, and the resulting optical fiber

#84
20170235045
2017-08-17

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

#85
20170176675
2017-06-22

Elliptical cladding polarization-maintaining large-mode-area gain fiber

#86
20170146715
2017-05-25

Coating for light-diffusing optical fibers

#87
20170108642
2017-04-20

Optical fiber

#88
20170059773
2017-03-02

Multimode optical fiber and optical cable including the same

#89
20170038528
2017-02-09

Multimode optical fiber

#90
20170023844
2017-01-26

Optical device with photon flipping

#91
20160299289
2016-10-13

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

#92
20160291247
2016-10-06

Single mode propagation in fibers and rods with large leakage channels

#93
20160266308
2016-09-15

Multimode optical fibers

#94
20160245989
2016-08-25

Polarizing and polarization maintaining leakage channel fibers

#95
20160214886
2016-07-28

Optical fiber preform

#96
20160209295
2016-07-21

Birefringent multi-peak optical reference element and birefringent sensor system

#97
20160187578
2016-06-30

In-Fiber Filament Production

#98
20160170137
2016-06-16

Low loss optical fiber and method of making the same

#99
20160161670
2016-06-09

Optical fiber for the reduction of stimulated Brillouin scattering in high-power applications

#100
20160147011
2016-05-26

POLARISATION MAINTAINING OPTICAL FIBER PACKAGE

#101
20160141826
2016-05-19

LIQUID CLADDING FOR MULTIPLE CLAD FIBER LASER

#102
20160109651
2016-04-21

Low loss optical fiber and method of making the same

#103
20160085023
2016-03-24

Optical fiber coating to reduce friction and static charge

#104
20160025925
2016-01-28

Method and apparatus for fabrication of metal-coated optical fiber, and the resulting optical fiber

#105
20150378093
2015-12-31

Reflection/absorption coating for laser slabs

#106
20150378092
2015-12-31

Moatless bend-optimized multimode fiber

#107
20150369986
2015-12-24

Uniform efficient light diffusing fiber

#108
20150331180
2015-11-19

OPTICAL FIBER AND OPTICAL FIBER SILICA GLASS BASE MATERIAL

#109
20150316712
2015-11-05

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

#110
20150316424
2015-11-05

Light diffusing fiber thermal indicators

#111
20150280388
2015-10-01

Optical fiber and fiber laser apparatus using same

#112
20150277034
2015-10-01

Fiber optical light guide, attachment member for the same, and lighting device

#113
20150255657
2015-09-10

WAVEGUIDE ASSISTED SOLAR ENERGY HARVESTING

#114
20150253497
2015-09-10

Optical fiber and fiber laser device using same

#115
20150219845
2015-08-06

Primary coating compositions with reinforcing polymer

#116
20150192803
2015-07-09

Optical waveguide and optical device based on the same

#117
20150160445
2015-06-11

Lighting apparatus, and optical inspection apparatus and optical microscope using the lighting apparatus

#118
20150147041
2015-05-28

Optical fiber and optical fiber manufacturing method

#119
20150131956
2015-05-14

Coated optical fiber

#120
20150131955
2015-05-14

Light diffusing fiber with low melting temperature glass

#121
20150104141
2015-04-16

Uniform UV efficient light diffusing fiber

#122
20150098682
2015-04-09

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

#123
20150036703
2015-02-05

Single mode propagation in fibers and rods with large leakage channels

#124
20150033868
2015-02-05

Transversal load insensitive optical waveguide, and optical sensor comprising a wave guide

#125
20140369640
2014-12-18

Coating of optical waveguides

#126
20140301706
2014-10-09

Low brillouin scattering optical fibers and formation methods thereof

#127
20140185996
2014-07-03

Bending insensitive single mode optical fiber

#128
20140169729
2014-06-19

Waveguide with reduced phase error and photonics device including the same

#129
20140137604
2014-05-22

Optical fiber and method of manufacturing optical fiber

#130
20140056596
2014-02-27

Optical fiber and optical transmission system

#131
20140036348
2014-02-06

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

#132
20130330050
2013-12-12

BEND-INSENSITIVE OPTICAL FIBER HAVING SMALL COATING DIAMETER AND OPTICAL CABLE COMPRISING THE SAME

#133
20130315525
2013-11-28

Optical waveguide attenuator for a polarized light source

#134
20130302000
2013-11-14

Multi-mode optical fiber

#135
20130272014
2013-10-17

Multi-wavelength light source using light diffusing fibers

#136
20130243383
2013-09-19

Athermal photonic waveguide with refractive index tuning

#137
20130188918
2013-07-25

Double Cladding Silicon-on-Insulator Optical Structure

#138
20130188917
2013-07-25

Optical fiber and optical fiber preform

#139
20130156391
2013-06-20

Uniform white color light diffusing fiber

#140
20130071082
2013-03-21

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

#141
20120321262
2012-12-20

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

#142
20120250705
2012-10-04

Fiber lasers with devices capable of suppressing high-order mode mixing and generating high quality and low noise laser light

#143
20120175795
2012-07-12

Hydrogen-resistant optical fiber/grating structure suitable for use in downhole sensor applications

#144
20120099609
2012-04-26

Single mode propagation in fibers and rods with large leakage channels

#145
20120063733
2012-03-15

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

#146
20110293232
2011-12-01

Hydrogen-resistant optical fiber/grating structure suitable for use in downhole sensor applications

#147
20110280584
2011-11-17

Optical fiber with suppressed stimulated brillouin scattering

#148
20110232211
2011-09-29

Waveguide assisted solar energy harvesting

#149
20110211797
2011-09-01

Optical fiber with increased mechanical strength

#150
20110176783
2011-07-21

Optical fiber and method for fabricating the same

#151
20110149383
2011-06-23

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

#152
20110103759
2011-05-05

Anti-guiding waveguides

#153
20110097581
2011-04-28

In-fiber filament production

#154
20110091181
2011-04-21

Coated optical fibers and related apparatuses, links, and methods for providing optical attenuation

#155
20110091178
2011-04-21

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

#156
20110091177
2011-04-21

Optical fiber apparatus with suppression of higher order modes

#157
20110085768
2011-04-14

Optical fiber and method of manufacturing optical fiber

#158
20100322575
2010-12-23

Single mode propagation in fibers and rods with large leakage channels

#159
20100183272
2010-07-22

OPTICAL FIBER

#160
20100166358
2010-07-01

Dual Fiber Grating and Methods of Making and Using Same

#161
20100104248
2010-04-29

Fiber optic

#162
20100046898
2010-02-25

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

#163
20100043497
2010-02-25

OPTICAL FIBER FOR WDM SYSTEM AND MANUFACTURING METHOD THEREOF

#164
20090263092
2009-10-22

Optical fiber

#165
20090238526
2009-09-24

Optical transmission fiber with thermal management for high power applications

#166
20090116800
2009-05-07

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

#167
20090103874
2009-04-23

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

#168
20090074146
2009-03-19

X-ray imaging system and methods of using and forming an array of optic devices therein

#169
20090074013
2009-03-19

Thulium doped fiber configuration for enhanced high power operation

#170
20090034059
2009-02-05

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

#171
20090003753
2009-01-01

Method for generating a linear single polarization output beam

#172
20080273851
2008-11-06

Waveguide configuration

#173
20080260339
2008-10-23

Manufacture of depressed index optical fibers

#174
20080239471
2008-10-02

Optical module and processing method

#175
20080152288
2008-06-26

Optical fiber

#176
20080116595
2008-05-22

Plastic Optical Fiber Preform and Method for Manufacturing The Same

#177
20080107387
2008-05-08

Light conduits having peripheral, shape-defining polymer overmolds

#178
20080050079
2008-02-28

Low attenuation optical fiber and its producing method in MCVD

#179
20080008432
2008-01-10

Waveguide configuration

#180
20080000269
2008-01-03

Method and Installation for Producing a Fibered Element With a Light-Selective Filter

#181
20070230860
2007-10-04

Lithium-Niobate fiber optic sensor and system

#182
20070206912
2007-09-06

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

#183
20070206911
2007-09-06

Gold Metal Cylinder Fiber

#184
20070204657
2007-09-06

Manufacture of depressed index optical fibers

#185
20070196063
2007-08-23

Waveguide configuration

#186
20070147755
2007-06-28

Optical fiber and optical module

#187
20070116416
2007-05-24

High SBS threshold optical fiber with aluminum dopant

#188
20070081779
2007-04-12

Optical fiber with reduced stimulation Brillouin scattering

#189
20070058914
2007-03-15

Tunable fiber amplifier and laser

#190
20070053640
2007-03-08

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

#191
20060263024
2006-11-23

Single mode propagation in fibers and rods with large leakage channels

#192
20060245714
2006-11-02

Fiber optic article including fluorine

#193
20060147168
2006-07-06

Method of preventing optical fiber failure in high power application

#194
20060110112
2006-05-25

Optical fiber for WDM system and manufacturing method thereof

#195
20060062532
2006-03-23

Optical transmission fiber with thermal management for high-power applications

#196
20060029344
2006-02-09

Fiber optic article including fluorine

#197
20060018612
2006-01-26

Solid type polarization maintaining fiber and apparatus

#198
20060013550
2006-01-19

Optical fiber with nano-particle overclad

#199
20050271347
2005-12-08

Optical fiber and method for making such fiber

#200
20050271340
2005-12-08

Photonic crystal waveguides and systems using such waveguides

#201
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#202
20050259933
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

#203
20050254764
2005-11-17

Double-clad optical fibers

#204
20050244121
2005-11-03

Waveguide configuration

#205
20050244118
2005-11-03

Solid type single polarization fiber and apparatus

#206
20050232562
2005-10-20

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

#207
20050229639
2005-10-20

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

#208
20050163443
2005-07-28

Method of controllably doping a glassy optical preform with water

#209
20050074216
2005-04-07

Side-illumination type optical fiber

#210
20050063663
2005-03-24

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

#211
20050058418
2005-03-17

Dispersion optimized fiber having higher spot area

#212
20050053351
2005-03-10

Graded-index multimode fiber and manufacturing method therefor

#213
20050022562
2005-02-03

Isotopically altered optical fiber

#214
20050013569
2005-01-20

Waveguide configuration

#215
20050008311
2005-01-13

Multimode polarization maintaining double clad fiber

#216
16217486
2020-03-24

Light modules and devices incorporating light modules