ClassID:

173890

G02B6/03672 - 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 arranged - - + -

Recent Application in this class:
#1
20220326432
2022-10-13

Multicore fiber with exterior cladding region

#2
20220066090
2022-03-03

Multicore optical fiber with depressed index common cladding

#3
20210294024
2021-09-23

Multicore fiber with exterior cladding region

#4
20200209468
2020-07-02

Optical fiber with variable absorption

#5
20200150336
2020-05-14

Low bend loss optical fiber with a chlorine doped core and offset trench

#6
20200018895
2020-01-16

High bandwidth radiation-resistant multimode optical fiber

#7
20180067256
2018-03-08

Low bend loss optical fiber

#8
20180011245
2018-01-11

Dispersion shifted optical fiber

#9
20170285260
2017-10-05

Low bend loss optical fiber

#10
20140212083
2014-07-31

Optical fiber for Coherent Anti-Stokes Raman scattering endoscopes

#11
20130071082
2013-03-21

HIGH BIREFRINGENCE POLARIZATION-MAINTAINING OPTICAL FIBER BASED ON MULTI COMPONENT SILICA GLASS

#12
20120294575
2012-11-22

Low bend loss optical fiber

#13
20120230638
2012-09-13

Bend resistant multimode optical fiber

#14
20120177333
2012-07-12

Optical fiber

#15
20120159995
2012-06-28

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

#16
20110194814
2011-08-11

Bend insensitivity in single mode optical fibers

#17
20110194813
2011-08-11

Bend insensitivity in single mode optical fibers

#18
20110026891
2011-02-03

Single mode optical fibers and modular method of making same

#19
20090290841
2009-11-26

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

#20
20090257724
2009-10-15

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

#21
20090060437
2009-03-05

Bend insensitivity in single mode optical fibers

#22
20080317418
2008-12-25

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

#23
20070147756
2007-06-28

Single-mode optical fiber

#24
20060078009
2006-04-13

Optical fiber, optical fiber amplifier, and optical fiber laser light source

#25
20060039665
2006-02-23

Optical fiber

#26
20050254763
2005-11-17

Dispersion managed HOM multimode optical fibre

#27
20050185906
2005-08-25

Non-zero dispersion shifted optical fiber

#28
20050185905
2005-08-25

Dispersion correction fiber, transmission system and method of operating same