ClassID:

173893 āŽ˜

G02B6/03688 - 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 5 or more layers

Recent Application in this class:
#1
20260043961
2026-02-12

Optical Fiber Cable and Optical Fiber with Reduced Diameter

#2
20250244525
2025-07-31

Preforms for Speckle-Free Output Optical Fibers Having Structured Silica Sections, Methods of Such Preform Manufacture, and Improved Speckle-Free Output Optical Fibers

#3
20250004195
2025-01-02

SELECTIVE NUMERICAL APERTURE CLADDING LIGHT STRIPPER

#4
20240319434
2024-09-26

OPTICAL FIBER WITH WIDE BANDWIDTH AND HIGH GAINS IN O+E BAND AND REGULATION METHOD THEREOF

#5
20230104707
2023-04-06

Preforms for speckle-free output optical fibers having structured silica sections, methods of such preform manufacture, and improved speckle-free output optical fibers

#6
20230089816
2023-03-23

MICROLAYER COEXTRUSION OF OPTICAL END PRODUCTS

#7
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#8
20220365298
2022-11-17

Optical fiber structures and methods for beam shaping

#9
20220362878
2022-11-17

OPTICAL FIBER, LASER GENERATOR, LASER PROCESSING APPARATUS, AND METHOD OF MANUFACTURING OPTICAL FIBER

#10
20220057572
2022-02-24

Universal optical fibre with double trench

#11
20210364690
2021-11-25

Optical fiber with dual trench design

#12
20210096296
2021-04-01

Microlayer coextrusion of optical end products

#13
20210075510
2021-03-11

Optical communication devices based on concentric space-division multiplexed optical fiber

#14
20210041623
2021-02-11

Single mode optical fiber with low bend loss at small and large bend diameters

#15
20210033782
2021-02-04

Cut-off shifted optical fibre with large effective area

#16
20200354261
2020-11-12

Optical fiber bending mechanisms

#17
20200333640
2020-10-22

Adjustable beam characteristics

#18
20200186248
2020-06-11

Concentric fiber for space-division multiplexed optical communications and method of use

#19
20200147720
2020-05-14

Optical fiber structures and methods for beam shaping

#20
20200142126
2020-05-07

Microlayer coextrusion of optical end products

#21
20190391325
2019-12-26

Semiconductor device and manufacturing method of the same

#22
20190346620
2019-11-14

Few mode optical fiber

#23
20190258091
2019-08-22

Adjustable beam characteristics

#24
20190196106
2019-06-27

Inter-mode loss difference compensator and optical amplifier

#25
20190162899
2019-05-30

Few-mode optical fiber

#26
20190162897
2019-05-30

Few mode optical fiber

#27
20190129093
2019-05-02

Optical fibers and optical systems comprising the same

#28
20190007138
2019-01-03

Concentric fiber for space-division multiplexed optical communications and method of use

#29
20180375578
2018-12-27

Few-mode optical fiber

#30
20180370167
2018-12-27

Multiple microlayer coextrusion of optical end products

#31
20180287328
2018-10-04

Fiber-coupled laser with time varying beam characteristics

#32
20180239154
2018-08-23

Optical power density control in fiber-coupled laser

#33
20180217411
2018-08-02

Systems and methods for modifying beam characteristics

#34
20180217410
2018-08-02

Fiber optical beam delivery device producing selectable intensity profiles

#35
20180217409
2018-08-02

Fiber-coupled device for varying beam characteristics

#36
20180217408
2018-08-02

Methods of and systems for materials processing using optical beams

#37
20180217386
2018-08-02

All-fiber optical beam switch

#38
20180217385
2018-08-02

Multicore fiber-coupled optical probing techniques

#39
20180215650
2018-08-02

Optical fiber bending mechanisms

#40
20180214985
2018-08-02

Multi-operation laser tooling for deposition and material processing operations

#41
20180214980
2018-08-02

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

#42
20180214951
2018-08-02

Additive manufacturing systems and methods for the same

#43
20180210212
2018-07-26

Optical fibers and optical systems comprising the same

#44
20180188544
2018-07-05

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

#45
20180088358
2018-03-29

Adjustable beam characteristics

#46
20180088357
2018-03-29

Adjustable beam characteristics

#47
20180088343
2018-03-29

Adjustable beam characteristics

#48
20170266897
2017-09-21

Microlayer coextrusion of optical end products

#49
20170176675
2017-06-22

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

#50
20170139129
2017-05-18

Small-diameter polarization maintaining optical fiber

#51
20160116671
2016-04-28

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

#52
20150301277
2015-10-22

Optical fiber with large effective area

#53
20140254616
2014-09-11

Fiber designs for wavelength tunable ultra-short pulse lasers

#54
20140056566
2014-02-27

Microlayer coextrusion of optical end products

#55
20130272668
2013-10-17

Optical fiber

#56
20130034322
2013-02-07

OPTICAL WAVEGUIDE AND SEMIFINISHED PRODUCT FOR THE PRODUCTION OF AN OPTICAL WAVEGUIDE HAVING OPTIMIZED DIFFRACTION PROPERTIES

#57
20120321260
2012-12-20

Optical waveguides having flattened high order modes

#58
20120315006
2012-12-13

Single-mode optical fiber

#59
20120189258
2012-07-26

Microbend-resistant optical fiber

#60
20120159995
2012-06-28

Methods of making single mode optical fibers with reduced bend sensitivity and catastrophic bend loss

#61
20110194814
2011-08-11

Bend insensitivity in single mode optical fibers

#62
20110194813
2011-08-11

Bend insensitivity in single mode optical fibers

#63
20110164852
2011-07-07

Single-mode optical fiber

#64
20110085770
2011-04-14

Single mode optical fiber with depressed trench

#65
20110033162
2011-02-10

Rare earth-doped fiber optic device for emitting or amplifying a signal in the ā€œSā€ band

#66
20110026891
2011-02-03

Single mode optical fibers and modular method of making same

#67
20100296171
2010-11-25

Optimizing total internal reflection multilayer optics through material selection

#68
20100290781
2010-11-18

Microbend-resistant optical fiber

#69
20100266250
2010-10-21

Dispersion shifted optical fiber

#70
20100195194
2010-08-05

Large mode area optical fiber

#71
20100092140
2010-04-15

Optical-fiber loose tube cables

#72
20100092139
2010-04-15

Reduced-diameter, easy-access loose tube cable

#73
20100092138
2010-04-15

ADSS cables with high-performance optical fiber

#74
20100067860
2010-03-18

RARE EARTH-DOPED CORE OPTICAL FIBER

#75
20100040336
2010-02-18

Multimode fiber with at least dual cladding

#76
20100021117
2010-01-28

Single-mode optical fiber

#77
20100014820
2010-01-21

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#78
20090290841
2009-11-26

Reduced bend sensitivity and catastrophic bend loss in single mode optical fibers and method of making same

#79
20090257724
2009-10-15

Nonlinear optical fiber, nonlinear optical device, and optical signal processing apparatus

#80
20090251770
2009-10-08

Cladding pumped fibre laser with a high degree of pump isolation

#81
20090175583
2009-07-09

Microbend-resistant optical fiber

#82
20090148113
2009-06-11

Large effective area optical fiber

#83
20090060437
2009-03-05

Bend insensitivity in single mode optical fibers

#84
20090060436
2009-03-05

Large effective area high SBS threshold optical fiber

#85
20090034925
2009-02-05

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#86
20090034059
2009-02-05

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

#87
20080317419
2008-12-25

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#88
20080317418
2008-12-25

NONLINEAR OPTICAL FIBER, NONLINEAR OPTICAL DEVICE, AND OPTICAL SIGNAL PROCESSING APPARATUS

#89
20080304800
2008-12-11

Optical fiber with large effective area

#90
20080292257
2008-11-27

Optical fiber and optical transmission line and optical communication system including such optical fiber

#91
20080205839
2008-08-28

Large effective area high SBS threshold optical fiber

#92
20080141724
2008-06-19

Dielectric waveguide and method of making the same

#93
20080063349
2008-03-13

Optical fiber and optical transmission line and optical communication system including such optical fiber

#94
20080055724
2008-03-06

OPTICAL DEVICES CONTAINING BIREFRINGENT POLYMER FIBERS

#95
20080013906
2008-01-17

Optical fiber, transmission system, and wavelength division multiplexing system

#96
20080000269
2008-01-03

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

#97
20070280615
2007-12-06

Single-mode optical fiber

#98
20070248308
2007-10-25

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

#99
20070237453
2007-10-11

Optical coupler devices, methods of their production and use

#100
20070206912
2007-09-06

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

#101
20070206910
2007-09-06

Optical fibers and optical fiber devices with total dispersion greater than material dispersion

#102
20070196064
2007-08-23

Multistep index optical fiber

#103
20070147756
2007-06-28

Single-mode optical fiber

#104
20070147754
2007-06-28

Optical fiber

#105
20070092190
2007-04-26

Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode

#106
20070065084
2007-03-22

Dispersion optimized optical fiber for wideband optical transmission

#107
20070065081
2007-03-22

Compensating fiber for cumulated chromatic dispersion and chromatic dispersion slope

#108
20070014525
2007-01-18

Chromatic dispersion compensating optical fibre

#109
20070009218
2007-01-11

Optical fiber and optical transmission line and optical communication system including such optical fiber

#110
20060263019
2006-11-23

Multimode optical fiber

#111
20060257071
2006-11-16

Optical fiber filter for suppression of amplified spontaneous emission

#112
20060245714
2006-11-02

Fiber optic article including fluorine

#113
20060204189
2006-09-14

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

#114
20060201206
2006-09-14

Methods of making fiber waveguides from multilayer structures

#115
20060198591
2006-09-07

Optical fiber, method for manufacturing same and optical transmission channel

#116
20060039665
2006-02-23

Optical fiber

#117
20060029344
2006-02-09

Fiber optic article including fluorine

#118
20060018614
2006-01-26

High performance dispersion compensating optical fibers and manufacturing method for the same

#119
20060018613
2006-01-26

Chromatic dispersion compensating optical fiber

#120
20050286849
2005-12-29

Large kappa dispersion compensating fiber and transmission system

#121
20050271340
2005-12-08

Photonic crystal waveguides and systems using such waveguides

#122
20050213909
2005-09-29

Chromatic dispersion-compensating optical fibre in the S-band using a higher order mode

#123
20050163449
2005-07-28

Optical fiber for amplification or for laser emission

#124
20050157994
2005-07-21

Optical fiber and optical transmission line and optical communication system including such optical fiber

#125
20050123257
2005-06-09

Optical fiber of complex index profile

#126
20050100295
2005-05-12

High performance dispersion compensating optical fibers and manufacturing method for the same

#127
20050089289
2005-04-28

Optical fiber, method for manufacturing same and optical transmission channel

#128
20050069271
2005-03-31

Optical fiber with low taper induced loss

#129
20050069269
2005-03-31

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

#130
20050031262
2005-02-10

Fresnel zoned microstructured fibre and lens

#131
20050013571
2005-01-20

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

#132
20050002627
2005-01-06

Optical fiber for extended wavelength band