ClassID:

87390

C03B2203/31 - CPC Classification

Classification description:

Fibre product details, e.g. structure, shape; Polarisation maintaining [PM], i.e. birefringent products, e.g. with elliptical core, by use of stress rods, "PANDA" type fibres by use of stress-imparting rods, e.g. by insertion

Recent Application in this class:
#1
20240085618
2024-03-14

POLARIZATION MAINTAINING OPTICAL FIBER AND POLARIZATION MAINTAINING OPTICAL FIBER MANUFACTURING METHOD

#2
20230194805
2023-06-22

POLARIZATION MAINTAINING FIBER WITH ALIGNMENT FEATURES

#3
20180002217
2018-01-04

Method of making optical fiber preform with pressed soot

#4
20170248757
2017-08-31

High-birefringence hollow-core fibers and techniques for making same

#5
20170075147
2017-03-16

Polarization-maintaining optical fibre and preform and method for producing the same

#6
20160126692
2016-05-05

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

#7
20150307387
2015-10-29

Method for forming optical fiber and preforms

#8
20150198764
2015-07-16

High-birefringence hollow-core fibers and techniques for making same

#9
20150017440
2015-01-15

Quartz glass tube as a semi-finished product for an optical component

#10
20130302001
2013-11-14

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

#11
20130239623
2013-09-19

Methods for making active laser fibers

#12
20130167594
2013-07-04

Polarization controlling optical fiber preform and preform fabrication methods

#13
20110268399
2011-11-03

Optical fiber with differential birefringence mechanism

#14
20110188825
2011-08-04

Optical fiber with resonant structure of cladding features connected to light sink

#15
20110132038
2011-06-09

Soot pressing for optical fiber overcladding

#16
20110097048
2011-04-28

Techniques for manufacturing birefringent optical fiber

#17
20090181842
2009-07-16

POLARIZATION-MAINTAINING OPTICAL FIBER AND METHOD FOR MANUFACTURING THE SAME

#18
20070269175
2007-11-22

Optical fiber with plurality of air holes and stress rods

#19
20070266738
2007-11-22

Method of making an optical fiber

#20
20070177846
2007-08-02

Rare earth doped double clad optical fiber with plurality of air holes and stress rods

#21
20070089462
2007-04-26

Optical fiber

#22
20060291789
2006-12-28

Photonic crystal fibres comprising stress elements

#23
20060191295
2006-08-31

Polarization controlling optical fiber preform and preform fabrication methods

#24
20060045446
2006-03-02

Optical fiber with birefringence and large mode field diameter

#25
20050008311
2005-01-13

Multimode polarization maintaining double clad fiber