ClassID:

87388

C03B2203/30 - 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

Sub-classes:
Recent Application in this class:
#1
20210405287
2021-12-30

Polarization-maintaining photonic crystal fiber

#2
20210323856
2021-10-21

Element for a preform, a fiber production method and an optical fiber drawn from the preform

#3
20180339931
2018-11-29

Element for a preform, a fiber production method and an optical fiber drawn from the preform

#4
20180002217
2018-01-04

Method of making optical fiber preform with pressed soot

#5
20170075147
2017-03-16

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

#6
20150198764
2015-07-16

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

#7
20140009822
2014-01-09

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

#8
20130167594
2013-07-04

Polarization controlling optical fiber preform and preform fabrication methods

#9
20120250143
2012-10-04

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

#10
20120093469
2012-04-19

Ultra high numerical aperture optical fibers

#11
20110188825
2011-08-04

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

#12
20110052128
2011-03-03

Optical Fiber Preform With Improved Air/Glass Interface Structure

#13
20100329618
2010-12-30

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

#14
20100189390
2010-07-29

Ultra high numerical aperture optical fibers

#15
20100085558
2010-04-08

Detection system and optical fiber for use in such system

#16
20090310925
2009-12-17

Pure silica core, high birefringence, single polarization optical waveguide

#17
20090123121
2009-05-14

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

#18
20090095023
2009-04-16

Ultra high numerical aperture optical fibers

#19
20090011233
2009-01-08

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

#20
20090003753
2009-01-01

Method for generating a linear single polarization output beam

#21
20080292251
2008-11-27

Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portion

#22
20080240663
2008-10-02

Ultra high numerical aperture optical fibers

#23
20080151254
2008-06-26

Pure silica core, high birefringence, single polarization optical waveguide

#24
20080148777
2008-06-26

Optical fiber preform with improved air/glass interface structure

#25
20080080823
2008-04-03

Rare earth doped optical fiber

#26
20080069508
2008-03-20

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

#27
20080025679
2008-01-31

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

#28
20060191295
2006-08-31

Polarization controlling optical fiber preform and preform fabrication methods

#29
20060140565
2006-06-29

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

#30
20060096325
2006-05-11

Method of manufacturing photonic crystal fiber using structure-indicating rods or capillaries

#31
20060083471
2006-04-20

Single polarization and polarization maintaining optical fibers and system utilizing same

#32
20060045446
2006-03-02

Optical fiber with birefringence and large mode field diameter

#33
20050271347
2005-12-08

Optical fiber and method for making such fiber

#34
20050238307
2005-10-27

Nonlinear optical fibre method of its production and use thereof

#35
20050135762
2005-06-23

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

#36
20050084223
2005-04-21

Polarization retaining photonic crystal fiber

#37
20050084222
2005-04-21

Preform for producing an optical fiber and method therefor