ClassID:

87346

C03B2201/28 - CPC Classification

Classification description:

Type of glass produced; Doped silica-based glasses doped with non-metals other than boron or fluorine doped with phosphorus

Recent Application in this class:
#1
20250052946
2025-02-13

REDUCING LIGHT-INDUCED LOSS IN OPTICAL FIBRE

#2
20230305222
2023-09-28

Reducing light-induced loss in optical fibre

#3
20230167002
2023-06-01

OPTICAL FIBERS AND METHOD OF MAKING THE SAME

#4
20220077643
2022-03-10

Optical fiber with variable absorption

#5
20200158946
2020-05-21

Reducing light-induced loss in optical fibre

#6
20200148579
2020-05-14

Burner design for particle generation

#7
20200127435
2020-04-23

Optical tube waveguide lasing medium and related method

#8
20180305237
2018-10-25

Method for efficiently preparing doped optical fibre preform and doped optical fibre preform

#9
20180251397
2018-09-06

Optical fiber with low loss and nanoscale structurally homogeneous core

#10
20180095219
2018-04-05

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

#11
20170205574
2017-07-20

Optical fiber and method of producing an optical fiber

#12
20170022094
2017-01-26

Optical fiber with low loss and nanoscale structurally homogeneous core

#13
20160347642
2016-12-01

High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof

#14
20160168007
2016-06-16

Method of making an optical fiber preform and handle for use in making of optical fiber preform

#15
20160075591
2016-03-17

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

#16
20160060159
2016-03-03

High strength and aesthetic lithium disilicate crystalline glass-ceramics containing cristobalite crystal and preparation method thereof

#17
20150253499
2015-09-10

Broadband multi-mode optical fibers with flat-zone in dopant concentration profile

#18
20150023642
2015-01-22

High bandwidth MMF and method of making

#19
20140341520
2014-11-20

Multimode optical fibre

#20
20140301706
2014-10-09

Low brillouin scattering optical fibers and formation methods thereof

#21
20140009822
2014-01-09

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

#22
20130323414
2013-12-05

Accelerated aging of phosphorus-doped optical fibers

#23
20130302001
2013-11-14

Low-loss optical fiber over wide wavelength range and method of manufacturing the same

#24
20130239623
2013-09-19

Methods for making active laser fibers

#25
20130119280
2013-05-16

Broadband infrared light emitting device

#26
20130101261
2013-04-25

Radiation-resistant rare-earth-doped optical fiber and method of radiation-hardening a rare-earth-doped optical fiber

#27
20130045854
2013-02-21

Manufacture of synthetic silica glass

#28
20130029038
2013-01-31

Method of making a multimode optical fiber

#29
20120250143
2012-10-04

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

#30
20120238434
2012-09-20

SILICA GLASS CONTAINING TIO2

#31
20120224254
2012-09-06

Rare-earth-doped amplifying optical fiber

#32
20120201504
2012-08-09

Method for fabricating rare earth (RE) doped optical fiber using a new codopant

#33
20120134376
2012-05-31

Radiation-Insensitive Optical Fiber Doped with Rare Earths

#34
20120063733
2012-03-15

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

#35
20120049393
2012-03-01

Aerosol generator

#36
20120014653
2012-01-19

Manufacturing method for optical fiber preform and optical fiber

#37
20110247369
2011-10-13

Internal vapour deposition process

#38
20110247368
2011-10-13

Internal vapour deposition process

#39
20110176783
2011-07-21

Optical fiber and method for fabricating the same

#40
20110138861
2011-06-16

OPTICAL FIBER MANUFACTURING METHOD AND APPARATUS

#41
20110116160
2011-05-19

Rare-earth-doped optical fiber having small numerical aperture

#42
20100329618
2010-12-30

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

#43
20100300151
2010-12-02

Glass preform manufacturing method

#44
20100238538
2010-09-23

Optical fiber amplifier and methods of making the same

#45
20100118388
2010-05-13

Amplifying optical fiber and method of manufacturing

#46
20100071420
2010-03-25

Optical fiber preform fabricating method

#47
20090214769
2009-08-27

Accelerated aging of phosphorus-doped optical fibers

#48
20090180174
2009-07-16

RARE-EARTH-DOPED OPTICAL FIBER, OPTICAL FIBER AMPLIFIER, AND METHOD OF MANUFACTURING A PREFORM FOR SUCH FIBER

#49
20090123121
2009-05-14

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

#50
20090116809
2009-05-07

Amplifying optical fiber operating at a wavelength in the range of 1000-1700 nm, methods of fabricating the same, and fiber laser

#51
20090019894
2009-01-22

Method for manufacturing a multimode optical fibre

#52
20090011233
2009-01-08

Optically active glass and optical fiber with reduced photodarkening and method for reducing photodarkening

#53
20080069508
2008-03-20

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

#54
20080050075
2008-02-28

Multi-wavelength, multimode optical fibers

#55
20080038524
2008-02-14

Selective Doping of a Material

#56
20080025679
2008-01-31

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#57
20070289333
2007-12-20

Method of fabricating optical fiber or optical device doped with reduced metal ion and/or rare earth ion

#58
20070269175
2007-11-22

Optical fiber with plurality of air holes and stress rods

#59
20070218290
2007-09-20

Method for Doping Material and Doped Material

#60
20070137257
2007-06-21

Apparatus and method for fabricating glass bodies using an aerosol delivery system

#61
20070089462
2007-04-26

Optical fiber

#62
20060239627
2006-10-26

Microstructured optical fibre

#63
20060204189
2006-09-14

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

#64
20060179888
2006-08-17

Manufacture of optical fibers using enhanced doping

#65
20060140565
2006-06-29

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#66
20060130530
2006-06-22

Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom

#67
20060104582
2006-05-18

Fabrication of microstructured optical fibre

#68
20060088262
2006-04-27

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

#69
20060088261
2006-04-27

Rare earth doped single polarization double clad optical fiber and a method for making such fiber

#70
20050284183
2005-12-29

Fiber optic cable and process for manufacturing

#71
20050284182
2005-12-29

Manufacturing method of optical fiber and optical fiber

#72
20050276555
2005-12-15

Glass-body-producing method and optical glass body and optical fiber

#73
20050271347
2005-12-08

Optical fiber and method for making such fiber

#74
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#75
20050241341
2005-11-03

Method for the preparation of doped oxide material

#76
20050229639
2005-10-20

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

#77
20050223747
2005-10-13

Method for making low loss optical fiber

#78
20050201699
2005-09-15

Low loss optical fiber and method for making same

#79
20050199013
2005-09-15

Use of amorphous carbon film as a hardmask in the fabrication of optical waveguides

#80
20050158006
2005-07-21

Double clad rare earth doped fiber

#81
20050152653
2005-07-14

Method of manufacturing optical fiber preform using modified chemical vapor deposition including dehydration and dechlorination process and optical fiber manufactured by the method

#82
20050135762
2005-06-23

Optical fiber and optical fiber coupler, erbium-doped optical fiber amplifier, and optical waveguide using the same

#83
20050092029
2005-05-05

Method of fabricating optical fiber or optical device doped with reduced metal ion and/or rare earth ion

#84
20050069638
2005-03-31

System for forming a gas flow of reactants for a doped glass material

#85
20050063654
2005-03-24

Low loss optical fiber and method for fabricating an optical fiber preform

#86
20050063653
2005-03-24

Multimode optical fibre having a refractive index profile, optical communication system using same and method for manufacturing such a fibre

#87
20050019504
2005-01-27

High rate deposition for the formation of high quality optical coatings