ClassID:

173855

G02B6/02338 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding; Microstructured optical fibre; Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features Structured core, e.g. core contains more than one material, non-constant refractive index distribution in core, asymmetric or non-circular elements in core unit, multiple cores, insertions between core and clad

Recent Application in this class:
#1
20260098995
2026-04-09

MULTILAYER STRUCTURE HAVING A MELT EXTRUDED WATER ABSORBING POLYOLEFIN LAYER

#2
20260063834
2026-03-05

HOLLOW-CORE FIBER AND OPTICAL TRANSMISSION SYSTEM

#3
20260043960
2026-02-12

HOLLOW CORE OPTICAL FIBER AND A LASER SYSTEM

#4
20260036741
2026-02-05

Polarization-Maintaining Multi-Core Optical Fiber

#5
20260023223
2026-01-22

HOLLOW-CORE OPTICAL FIBER HAVING A FLEXIBLE MEMBRANE SEALED END FACE AND METHOD OF MAKING SAME

#6
20250362446
2025-11-27

Ultra-wideband gain-active optical fiber in S+C+L bands

#7
20250314817
2025-10-09

OPTICAL FIBERS WITH NON-CIRCULAR COATING

#8
20250237807
2025-07-24

HOLLOW CORE OPTICAL FIBER AND A LASER SYSTEM

#9
20250147345
2025-05-08

Low Non-Linear Loss Silicon Waveguides for Evanescent Couplers

#10
20250085573
2025-03-13

Low Non-Linear Loss Silicon Waveguides with Sweep-Out Diodes

#11
20250052946
2025-02-13

REDUCING LIGHT-INDUCED LOSS IN OPTICAL FIBRE

#12
20240241306
2024-07-18

Multicore optical fiber core configuration transformer

#13
20240230985
2024-07-11

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

#14
20240230984
2024-07-11

CONTROLLING REFRACTIVE INDEX PROFILE DURING FIBER PREFORM MANUFACTURING

#15
20240201434
2024-06-20

Hollow core optical fiber and a laser system

#16
20240134113
2024-04-25

CONTROLLING REFRACTIVE INDEX PROFILE DURING FIBER PREFORM MANUFACTURING

#17
20240069272
2024-02-29

MICROSTRUCTURED OPTICAL FIBER AND PREFORM FOR SAME

#18
20240019630
2024-01-18

HOLLOW-CORE MICROSTRUCTURE OPTICAL FIBER PREFORM, OPTICAL FIBER AND METHOD FOR MANUFACTURING THEREOF

#19
20230393424
2023-12-07

Low non-linear loss silicon waveguides with sweep-out diodes

#20
20230305224
2023-09-28

MULTI-CLAD OPTICAL FIBERS

#21
20230305222
2023-09-28

Reducing light-induced loss in optical fibre

#22
20230273366
2023-08-31

Hollow core optical fiber and a laser system

#23
20230204850
2023-06-29

Multi-core fiber and manufacturing method thereof and multi-core fiber marker

#24
20230176278
2023-06-08

Configuring infrared optical fibers from oxide glasses

#25
20230018465
2023-01-19

Hollow core optical fiber and a laser system

#26
20220326433
2022-10-13

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

#27
20220315474
2022-10-06

Preform assembly for drawing multicore or holey optical fibre and method of manufacturing thereof

#28
20220299801
2022-09-22

Low non-linear loss silicon waveguides with sweep-out diodes

#29
20220221645
2022-07-14

3D printed waveguides and method based on photonic crystal fibers

#30
20220146748
2022-05-12

Waveguide crossings including a segmented waveguide section

#31
20220113467
2022-04-14

Multi-core optical fiber and multi-core optical fiber cable

#32
20220057570
2022-02-24

Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre

#33
20220057569
2022-02-24

Anti-torsion solid-core polarization-maintaining photonic crystal fiber based on anisotropy of stress distribution

#34
20220011501
2022-01-13

Hollow core optical fiber and a laser system

#35
20210341673
2021-11-04

Photonic waveguide

#36
20210318489
2021-10-14

Fiber optic integrated-light diffusers for sensing applications

#37
20200393620
2020-12-17

Mode mixing optical fibers and methods and systems using the same

#38
20200326474
2020-10-15

Supercontinuum light source comprising tapered microstructured optical fiber

#39
20200313382
2020-10-01

Moderately multimodal amplifying fibre

#40
20200257042
2020-08-13

Suppressing surface modes in fibers

#41
20200255787
2020-08-13

Illuminated container for growth of biological entities

#42
20200241281
2020-07-30

Optical fibre

#43
20200209466
2020-07-02

OPTICAL FIBER WITH INTEGRATED ABSORBER MATERIAL

#44
20200158946
2020-05-21

Reducing light-induced loss in optical fibre

#45
20200110276
2020-04-09

Rotary optical beam generator

#46
20200103587
2020-04-02

Hollow core optical fiber and a laser system

#47
20200064563
2020-02-27

Multichannel optical coupler

#48
20200049874
2020-02-13

AMBIENT FIBER LIGHTING SYSTEMS AND METHODS

#49
20200036153
2020-01-30

Fast axis thermal lens compensation for a planar amplifier structure

#50
20200018901
2020-01-16

Rotary optical beam generator

#51
20190383998
2019-12-19

Laser processing apparatus and method

#52
20190377130
2019-12-12

Multi-Port Multi-Channel Reconfigurable Fiber Dispersion Reference Module

#53
20190339513
2019-11-07

Photonic crystal fiber and high-power light transmission system

#54
20190324196
2019-10-24

Optical fiber with a shaped photosensitivity profile for producing structures with photoinduced modulation of refractive index, in particular Bragg gratings

#55
20190235160
2019-08-01

Spun round core fiber

#56
20190187352
2019-06-20

Linear light source

#57
20190170933
2019-06-06

Preform for producing vortex fiber

#58
20190129093
2019-05-02

Optical fibers and optical systems comprising the same

#59
20190107670
2019-04-11

Suppressing surface modes in fibers

#60
20190049662
2019-02-14

Supercontinuum light source comprising tapered microstructured optical fiber

#61
20190011637
2019-01-10

Mode mixing optical fibers and methods and systems using the same

#62
20190011634
2019-01-10

Hollow core optical fiber and a laser system

#63
20180341104
2018-11-29

Optical fiber design method

#64
20180321439
2018-11-08

Photonic crystal fiber and high-power light transmission system

#65
20180203182
2018-07-19

Fiber structural body and light source device

#66
20180143377
2018-05-24

Rotary optical beam generator

#67
20180011243
2018-01-11

Spun round core fiber

#68
20170343731
2017-11-30

Large core holey fibers

#69
20170336698
2017-11-23

Optical Fiber with Microstructured Core

#70
20170322371
2017-11-09

Fiber structural body and light source device

#71
20170229838
2017-08-10

Ndfiber laser and amplifier

#72
20170229834
2017-08-10

Waveguide design for line selection in fiber lasers and amplifiers

#73
20170085051
2017-03-23

Supercontinuum light source comprising tapered microstructured optical fiber

#74
20170082805
2017-03-23

Light-synthesizing laser device

#75
20170038544
2017-02-09

Multi-optical fiber aggregate

#76
20170023844
2017-01-26

Optical device with photon flipping

#77
20170010410
2017-01-12

Spun round core fiber

#78
20160341891
2016-11-24

Microstructured optical fibre, composite structure, method and use for measuring shear load in a composite structure

#79
20160320556
2016-11-03

Microstructured multicore optical fibre (MMOF), a device and the fabrication method of a device for independent addressing of the cores of microstructured multicore optical fibre

#80
20160238784
2016-08-18

Optical fiber illumination systems and methods

#81
20160156148
2016-06-02

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

#82
20160124144
2016-05-05

Hollow core waveguide with optimized contour

#83
20160116671
2016-04-28

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

#84
20160116660
2016-04-28

Double clad light diffusing fiber, connector system and illuminaire

#85
20160041333
2016-02-11

Photonic band gap fibers using a jacket with a depressed softening temperature

#86
20150260910
2015-09-17

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

#87
20150155678
2015-06-04

Fiber amplifier with multi section core

#88
20150055923
2015-02-26

Method for connecting multi-core fiber, multi-core fiber, and method for manufacturing multi-core fiber

#89
20150036701
2015-02-05

Large core holey fibers

#90
20140355295
2014-12-04

Uniform illumination light diffusing fiber device

#91
20140307304
2014-10-16

Multi-core erbium-doped fiber amplifier

#92
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

#93
20140212103
2014-07-31

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

#94
20140198520
2014-07-17

Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers

#95
20140193128
2014-07-10

Holey fiber and method of producing the same

#96
20140193127
2014-07-10

Triple-sheathed monomode optical fiber

#97
20140147074
2014-05-29

Side-hole cane waveguide sensor

#98
20140140361
2014-05-22

Optical fiber with multi section core

#99
20140013808
2014-01-16

Holey optical fiber with random pattern of holes and method for making same

#100
20140010246
2014-01-09

Structured double-sheath fiber

#101
20130308895
2013-11-21

Side-hole cane waveguide sensor

#102
20130230281
2013-09-05

Method of forming fused coupler

#103
20130223804
2013-08-29

Holey optical fiber with random pattern of holes and method for making same

#104
20130202264
2013-08-08

Waveguides having patterned, flattened modes

#105
20130195410
2013-08-01

Optical fiber with a variable refractive index profile

#106
20130163927
2013-06-27

Birefringent micro-structured optical fiber for sensor application

#107
20130156393
2013-06-20

Multicore fiber and core placement method for multicore fiber

#108
20130114129
2013-05-09

Large core area single mode optical fiber

#109
20130089112
2013-04-11

Large core holey fibers

#110
20120307848
2012-12-06

Optical fiber laser

#111
20120224811
2012-09-06

BIREFRINGENT MICRO-STRUCTURED OPTICAL FIBER FOR SENSOR APPLICATION

#112
20120141081
2012-06-07

Multiple-core optical fiber with coupling between the cores

#113
20120141079
2012-06-07

Photonic band gap fibers using a jacket with a depressed softening temperature

#114
20120134376
2012-05-31

Radiation-Insensitive Optical Fiber Doped with Rare Earths

#115
20120057169
2012-03-08

Deflection measuring device according to the interferometer principle

#116
20120008908
2012-01-12

Multi-core optical fiber

#117
20110142397
2011-06-16

Multiple-core optical fiber with couplings between the cores

#118
20110020008
2011-01-27

Photonic bandgap fibers

#119
20100329288
2010-12-30

Optical fiber laser

#120
20100303429
2010-12-02

Microstructured Optical Fiber Draw Method with In-Situ Vacuum Assisted Preform Consolidation

#121
20100296784
2010-11-25

Multi-core optical fiber having alignment markers

#122
20100290750
2010-11-18

Multi-core optical fiber

#123
20100266250
2010-10-21

Dispersion shifted optical fiber

#124
20100265514
2010-10-21

All-optical fiber interferometer

#125
20100158435
2010-06-24

Side-hole cane waveguide sensor

#126
20100124397
2010-05-20

Multiple core optical fibre

#127
20100103958
2010-04-29

Optical fiber with multi section core

#128
20100080523
2010-04-01

DOPED OPTICAL FIBRE WITH BROKEN SPACE SYMMETRY

#129
20100002980
2010-01-07

Polarization-dependent hollow-core optical fibers

#130
20090324186
2009-12-31

Photonic band-gap fiber

#131
20090317041
2009-12-24

Photonic bandgap fiber

#132
20090263090
2009-10-22

Multiple-core optical fiber with coupling between the cores

#133
20090208176
2009-08-20

Extended triangular lattice type photonic bandgap fiber

#134
20090202204
2009-08-13

OPTICAL COUPLER, A METHOD OF ITS FABRICATION AND USE

#135
20090201953
2009-08-13

Microstructured optical fibers and manufacturing methods thereof

#136
20090192769
2009-07-30

Method and apparatus for modeling the modal properties of optical waveguides

#137
20090175584
2009-07-09

Optical fiber

#138
20090168149
2009-07-02

Active optical fibers with wavelength-selective filtering mechanism, method of production and their use

#139
20090122308
2009-05-14

Photonic bandgap fibers

#140
20090067793
2009-03-12

Multiple core microstructured optical fibre

#141
20090060438
2009-03-05

Optical fiber and production method thereof

#142
20090056383
2009-03-05

HOLEY OPTICAL FIBER WITH RANDOM PATTERN OF HOLES AND METHOD FOR MAKING SAME

#143
20090034926
2009-02-05

Holey fiber and method of manufacturing the same

#144
20080247721
2008-10-09

Photonic band gap fiber and method of producing the same

#145
20080212104
2008-09-04

Apparatus and method for resonant chemical and biological sensing

#146
20080170830
2008-07-17

PHOTONIC BAND GAP FIBER AND METHOD OF PRODUCING THE SAME

#147
20080138023
2008-06-12

Optical waveguide

#148
20080112678
2008-05-15

Optical fiber with a core ring

#149
20080056657
2008-03-06

Holey optical fiber with random pattern of holes and method for making same

#150
20080056656
2008-03-06

Large core holey fibers

#151
20070274652
2007-11-29

Multiple-core photonic-bandgap fiber with coupling between the cores

#152
20070237453
2007-10-11

Optical coupler devices, methods of their production and use

#153
20070230885
2007-10-04

Extended triangular lattice type photonic bandgap fiber

#154
20070189686
2007-08-16

Photonic-bandgap fiber with a core ring

#155
20070163301
2007-07-19

Photonic bandgap fibers

#156
20060257068
2006-11-16

Gas-filled optical fiber for wavelength calibration or measurement

#157
20060215976
2006-09-28

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

#158
20060204190
2006-09-14

Large mode-area microstructure optical fiber

#159
20060193583
2006-08-31

Photonic bandgap fibers

#160
20060177187
2006-08-10

Birefringent photonic bandgap optical waveguide

#161
20060159410
2006-07-20

Optical fiber

#162
20060133763
2006-06-22

Method and apparatus for modeling the modal properties of optical waveguides

#163
20060120677
2006-06-08

Optical waveguide, method of its production, and its use

#164
20060088262
2006-04-27

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

#165
20060088260
2006-04-27

Enhanced optical waveguide

#166
20060013550
2006-01-19

Optical fiber with nano-particle overclad

#167
20060010921
2006-01-19

Tellurite optical fiber and production method thereof

#168
20050286847
2005-12-29

Process for manufacturing a micro-structured optical fibre

#169
20050281522
2005-12-22

Photonic-bandgap fiber with a core ring

#170
20050276556
2005-12-15

Optical waveguide

#171
20050249470
2005-11-10

Optical fibres

#172
20050247082
2005-11-10

Side-hole cane waveguide sensor

#173
20050238308
2005-10-27

Microstructured optical fiber

#174
20050238307
2005-10-27

Nonlinear optical fibre method of its production and use thereof

#175
20050232561
2005-10-20

Porous plastic optical transmission article and method for its production

#176
20050220431
2005-10-06

Device for canceling the wavelength dependence of the nonlinearity coefficient of microstructured fibers

#177
20050185908
2005-08-25

Hollow-core optical fiber and method of making same

#178
20050163449
2005-07-28

Optical fiber for amplification or for laser emission

#179
20050157998
2005-07-21

Large core holey fibers

#180
20050152655
2005-07-14

Optical fiber and manufacturing method thereof and image forming apparatus

#181
20050141834
2005-06-30

Optical fiber having sea and islands structure

#182
20050135759
2005-06-23

Optical fiber assembly

#183
20050118420
2005-06-02

Method for configuring air-core photonic-bandgap fibers free of surface modes

#184
20050117860
2005-06-02

Microstructured optical fibre with cladding recess, a method of its production, and apparatus comprising same

#185
20050105867
2005-05-19

Active photonic band-gap optical fiber

#186
20050094954
2005-05-05

Holey optical fiber with random pattern of holes and method for making same

#187
20050089288
2005-04-28

Optical fiber and method of fabricating the same

#188
20050069269
2005-03-31

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

#189
20050036752
2005-02-17

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

#190
20050025441
2005-02-03

Polarization preserving optical fiber and absolute single polarization optical fiber

#191
20050018987
2005-01-27

Gas-filled optical fiber for wavelength calibration or measurement

#192
20050002626
2005-01-06

Photonic crystal fiber, light controller, projector, and method of manufacturing photonic crystal fiber