ClassID:

173888

G02B6/03661 - 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 4 layers only

Sub-classes:
Recent Application in this class:
#1
20240069273
2024-02-29

OPTICAL WAVEGUIDE, OPTICAL COMMUNICATION DEVICE, OPTICAL COMMUNICATION METHOD, AND OPTICAL COMMUNICATION SYSTEM

#2
20210242652
2021-08-05

Multi-clad optical fiber with delocalization of pedestal modes

#3
20210033781
2021-02-04

Cutoff shifted optical fibre

#4
20210026063
2021-01-28

Optical fibers for single mode and few mode vertical-cavity surface-emitting laser-based optical fiber transmission systems

#5
20200241199
2020-07-30

Weakly coupled few-mode fibers for space-division multiplexing

#6
20200081181
2020-03-12

Optical fiber with specialized figure-of-merit and applications therefor

#7
20180362392
2018-12-20

Optical fiber

#8
20180335564
2018-11-22

Optical fiber with specialized figure-of-merit and applications therefor

#9
20180284490
2018-10-04

Multi-function semiconductor and electronics processing

#10
20180281108
2018-10-04

DYNAMIC ASPECT RATIO RECTANGULAR LASER BEAMS

#11
20180128968
2018-05-10

Single-mode optical fiber with ultra low attenuation and large effective area

#12
20180120503
2018-05-03

Low bend loss single mode optical fiber

#13
20170179670
2017-06-22

OPTICAL FIBER, FIBER AMPLIFIER, AND FIBER LASER

#14
20160372619
2016-12-22

Light guide apparatus and fabrication method thereof

#15
20160116660
2016-04-28

Double clad light diffusing fiber, connector system and illuminaire

#16
20150301277
2015-10-22

Optical fiber with large effective area

#17
20140212083
2014-07-31

Optical fiber for Coherent Anti-Stokes Raman scattering endoscopes

#18
20120315006
2012-12-13

Single-mode optical fiber

#19
20120195549
2012-08-02

Broad-bandwidth optical fiber

#20
20110286710
2011-11-24

Single mode optical fiber

#21
20110280584
2011-11-17

Optical fiber with suppressed stimulated brillouin scattering

#22
20110194827
2011-08-11

DMD performance in bend optimized multimode fiber

#23
20110182557
2011-07-28

Multi-core fiber

#24
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#25
20110081123
2011-04-07

Multi-cladding fiber

#26
20110026106
2011-02-03

Ytterbium-doped optical fiber, fiber laser, and fiber amplifier

#27
20100296171
2010-11-25

Optimizing total internal reflection multilayer optics through material selection

#28
20100215329
2010-08-26

Large effective area low attenuation optical fiber

#29
20100195194
2010-08-05

Large mode area optical fiber

#30
20100079854
2010-04-01

RARE-EARTH DOPED CORE MULTI-CLAD FIBER, FIBER AMPLIFIER, AND FIBER LASER

#31
20100067859
2010-03-18

Single mode optical fiber

#32
20090262416
2009-10-22

CASCADE LASER

#33
20090252469
2009-10-08

Dispersion-shifted optical fiber

#34
20090041415
2009-02-12

DOUBLE-CORE OPTICAL FIBER

#35
20080304800
2008-12-11

Optical fiber with large effective area

#36
20080292257
2008-11-27

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

#37
20080063349
2008-03-13

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

#38
20070230884
2007-10-04

Method and apparatus for optical delivery fiber having cladding with absorbing regions

#39
20070206912
2007-09-06

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

#40
20070147752
2007-06-28

Photonic crystal fibers and systems using photonic crystal fibers

#41
20070127878
2007-06-07

Single mode optical fiber

#42
20070009218
2007-01-11

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

#43
20070003200
2007-01-04

Optical fibre having low splice loss and method for making it

#44
20070003196
2007-01-04

Pumping arrangement for fiber amplifiers with reduced reflective feedback

#45
20060245714
2006-11-02

Fiber optic article including fluorine

#46
20060233503
2006-10-19

Optical fiber and optical communication system employing the optical fiber

#47
20060088261
2006-04-27

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

#48
20060039664
2006-02-23

Large effective area high SBS threshold optical fiber

#49
20060029344
2006-02-09

Fiber optic article including fluorine

#50
20050286848
2005-12-29

Optical fibers with reduced splice loss and methods for making same

#51
20050191017
2005-09-01

Multi-clad doped optical fiber

#52
20050157994
2005-07-21

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

#53
20050069271
2005-03-31

Optical fiber with low taper induced loss