Patents-Review.com
ClassID:

173881 ⎘

G02B6/03622 - 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 2 layers only

Sub-classes:
Recent Application in this class:
#1
20250385231
2025-12-18

INTERPOSER FOR SEMICONDUCTOR PACKAGE INCLUDING INTEGRATED PHOTONIC COMPONENTS AND METHODS OF FABRICATION THEREOF

 #2
20250347844
2025-11-13

Triple Clad Fiber

 #3
20250341692
2025-11-06

OPTICAL CHIP AND AN OPTICAL MODULE

 #4
20250298184
2025-09-25

OPTICAL WAVEGUIDE STRUCTURE AND SEMICONDUCTOR OPTICAL AMPLIFIER

 #5
20250216595
2025-07-03

MULTICORE OPTICAL FIBER

 #6
20250052949
2025-02-13

OPTICAL FIBER AND METHOD FOR PRODUCING OPTICAL FIBER

 #7
20240255693
2024-08-01

PLASTIC OPTICAL FIBER, MEDICAL LIGHTING DEVICE, MEDICAL SENSOR DEVICE, MEDICAL PHOTOTHERAPY DEVICE, AND PLASTIC OPTICAL FIBER CORD

 #8
20240069271
2024-02-29

UNCOUPLED-CORE MULTICORE OPTICAL FIBER WITH REDUCED CROSS TALK

 #9
20240036253
2024-02-01

HOLLOW-CORE OPTICAL FIBERS

 #10
20240036250
2024-02-01

HOLLOW-CORE OPTICAL FIBERS

 #11
20240034664
2024-02-01

HOLLOW-CORE OPTICAL FIBERS AND METHODS FOR PRODUCING THE SAME

 #12
20240027679
2024-01-25

OPTICAL FIBER

 #13
20230391030
2023-12-07

Plastic scintillating fiber and its manufacturing method

 #14
20230266525
2023-08-24

OPTICAL FIBER WITH INVERSE TRIANGULAR TRENCH DESIGN

 #15
20230244028
2023-08-03

Optical fiber

 #16
20230236357
2023-07-27

ACTIVE OPTICAL VORTEX FIBER

 #17
20230228937
2023-07-20

Optical fiber and method for producing optical fiber

 #18
20230208109
2023-06-29

OPTICAL COMBINER AND LASER APPARATUS

 #19
20230152514
2023-05-18

Gain flattening filter, and method for manufacturing gain flattening filter

 #20
20230090667
2023-03-23

DUAL-POLARIZATION ROTATIONALLY-INSENSITIVE MONOSTATIC TRANSCEIVER WITH STANDARD FIBER

 #21
20230087573
2023-03-23

SYSTEM AND METHOD FOR DIRECTIONALLY-DEPENDENT POLARIZATION MODIFICATION

 #22
20230085835
2023-03-23

Dual-polarization rotationally-insensitive monostatic transceiver with dual cladding fiber

 #23
20220206214
2022-06-30

Optical fiber

 #24
20220187531
2022-06-16

Low moat volume single mode ultra-low loss fiber

 #25
20220091116
2022-03-24

OPTICAL SENSING BASED ON FUNCTIONALIZED EVANESCENT FIBER SENSOR FOR PROCESS FLUID FLOW ANALYSIS

 #26
20220011503
2022-01-13

Optical fiber with inverse triangular trench design

 #27
20210405288
2021-12-30

Triple clad fiber

 #28
20210336697
2021-10-28

Integrated track-and-receive system for free-space optical communications

 #29
20200408987
2020-12-31

Optical fiber cable, harness, and method of manufacturing optical fiber cable

 #30
20200400877
2020-12-24

Array-type polarization-maintaining multi-core fiber

 #31
20200339465
2020-10-29

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

 #32
20200225408
2020-07-16

Optical device and method for manufacturing optical device

 #33
20200048137
2020-02-13

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

 #34
20190196104
2019-06-27

Optical fibre and optical fibre device

 #35
20180299616
2018-10-18

Optical device including poled crystal region and amorphous region

 #36
20180284490
2018-10-04

Multi-function semiconductor and electronics processing

 #37
20180281108
2018-10-04

DYNAMIC ASPECT RATIO RECTANGULAR LASER BEAMS

 #38
20180217387
2018-08-02

Frequency-converted optical beams having adjustable beam characteristics

 #39
20180203183
2018-07-19

Method and apparatus for producing crystalline cladding and crystalline core optical fibers

 #40
20180095221
2018-04-05

Optical fiber

 #41
20170176673
2017-06-22

Bromine-doped optical fiber

 #42
20170131467
2017-05-11

Optical device and optical device manufacturing method

 #43
20170031091
2017-02-02

Method and apparatus for producing crystalline cladding and crystalline core optical fibers

 #44
20160349144
2016-12-01

Method and system for non-contact optical-power measurement

 #45
20160245992
2016-08-25

Optical device

 #46
20160126692
2016-05-05

Polarization-maintaining (PM) double-clad (DC) optical fiber

 #47
20160116671
2016-04-28

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

 #48
20160091660
2016-03-31

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

 #49
20160040316
2016-02-11

Manufacturing method of double cladding crystal fiber

 #50
20160025925
2016-01-28

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

 #51
20150362684
2015-12-17

PUMP BEAM STRIPPER AND MANUFACTURING METHOD OF THE SAME

 #52
20150323735
2015-11-12

Multicore fiber

 #53
20150316715
2015-11-05

Multi-core fiber

 #54
20150316714
2015-11-05

Multi-core amplification optical fiber

 #55
20150292938
2015-10-15

System for non-contact optical-power measurement

 #56
20150288131
2015-10-08

Fiber amplifier

 #57
20150139595
2015-05-21

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

 #58
20150098682
2015-04-09

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

 #59
20140362878
2014-12-11

Mode filter with refractive index modification

 #60
20140334787
2014-11-13

Bend insensitive gradient index multi-mode light conducting fiber

 #61
20140254997
2014-09-11

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

 #62
20140241686
2014-08-28

Optical fiber and method of manufacturing the same

 #63
20140204604
2014-07-24

Imaging system and related techniques

 #64
20140185996
2014-07-03

Bending insensitive single mode optical fiber

 #65
20140161406
2014-06-12

METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER

 #66
20140010246
2014-01-09

Structured double-sheath fiber

 #67
20140009822
2014-01-09

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

 #68
20130142477
2013-06-06

INTEGRATED OPTICAL WAVEGUIDE EVANSCENT FIELD SENSOR

 #69
20120321262
2012-12-20

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

 #70
20120250143
2012-10-04

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

 #71
20110273718
2011-11-10

Imaging system and related techniques

 #72
20110211797
2011-09-01

Optical fiber with increased mechanical strength

 #73
20110146071
2011-06-23

THERMAL ROUNDING SHAPED OPTICAL FIBER FOR CLEAVING AND SPLICING

 #74
20100329618
2010-12-30

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

 #75
20100163537
2010-07-01

APPARATUS AND METHOD FOR LASER MACHINING

 #76
20100104249
2010-04-29

Plastic glass optical fiber

 #77
20100066254
2010-03-18

Light-emitting device

 #78
20090123121
2009-05-14

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

 #79
20090092365
2009-04-09

Low bending loss multimode fiber transmission system

 #80
20090084141
2009-04-02

Single Mode Optical Fiber and Manufacturing Method Therefor

 #81
20090080833
2009-03-26

APPARATUS AND METHODS FOR REMAKEABLE CONNECTIONS TO OPTICAL WAVEGUIDES

 #82
20090022463
2009-01-22

Imaging system and related techniques

 #83
20090003789
2009-01-01

Imaging system and related techniques

 #84
20090003765
2009-01-01

Imaging system and related techniques

 #85
20080267229
2008-10-30

Optical fiber, optical fiber production method and optical fiber production system

 #86
20080124036
2008-05-29

Optical fiber and optical transmission medium

 #87
20080101754
2008-05-01

Optical waveguide

 #88
20080069508
2008-03-20

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

 #89
20080050079
2008-02-28

Low attenuation optical fiber and its producing method in MCVD

 #90
20080044150
2008-02-21

Method for making an optical fiber preform via internal vapor deposition

 #91
20070237476
2007-10-11

Lithium niobate coated optical fiber apparatus and method

 #92
20070230860
2007-10-04

Lithium-Niobate fiber optic sensor and system

 #93
20070206911
2007-09-06

Gold Metal Cylinder Fiber

 #94
20070053640
2007-03-08

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

 #95
20070036510
2007-02-15

Moisture-resistant nano-particle material and its applications

 #96
20070025669
2007-02-01

Apparatus and methods for remakeable connections to optical waveguides

 #97
20070002435
2007-01-04

Double-clad fiber scanning microscope

 #98
20060291788
2006-12-28

Optical fiber

 #99
20060215976
2006-09-28

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

 #100
20060204186
2006-09-14

Optical fiber processing method

 #101
20060140560
2006-06-29

Optical fiber and a method for fabricating a low polarization-mode dispersion and low attenuation optical fiber

 #102
20060042323
2006-03-02

Method of fabricating a cylindrical optical fiber containing a light interactive film

 #103
20060013550
2006-01-19

Optical fiber with nano-particle overclad

 #104
20060013544
2006-01-19

Imaging system and related techniques

 #105
20050271340
2005-12-08

Photonic crystal waveguides and systems using such waveguides

 #106
20050259933
2005-11-24

Photonic crystal fibers and medical systems including photonic crystal fibers

 #107
20050252248
2005-11-17

Method of fabricating a cylindrical optical fiber containing a light interactive film

 #108
20050226580
2005-10-13

Optical fiber for handling higher powers

 #109
20050213908
2005-09-29

Codoped Al-Yb waveguide and method of manufacturing same

 #110
20050175059
2005-08-11

Feedback stabilized multimode and method of stabilizing a multimode laser

 #111
20050163443
2005-07-28

Method of controllably doping a glassy optical preform with water

 #112
20050094952
2005-05-05

Optical coupler comprising multimode fibers and method of making the same

 #113
20050078353
2005-04-14

Brightness enhancement of diode light sources

 #114
20050074216
2005-04-07

Side-illumination type optical fiber

 #115
20050053351
2005-03-10

Graded-index multimode fiber and manufacturing method therefor

 #116
20050008311
2005-01-13

Multimode polarization maintaining double clad fiber

 #117
15171348
2017-09-05

WFOV and NFOV shared aperture beacon laser