ClassID:

173808

G02B6/02114 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by enhanced photosensitivity characteristics of the fibre, e.g. hydrogen loading, heat treatment

Sub-classes:
Recent Application in this class:
#1
20200174184
2020-06-04

Microheater comprising a rare earth-doped optical fiber

#2
20190154912
2019-05-23

Optical fiber and slanted fiber grating

#3
20180370842
2018-12-27

Ribbon optical fiber made of photosensitive glass

#4
20180367215
2018-12-20

Fiber optic patch and voltage conditioning

#5
20180051161
2018-02-22

Polymeric waveguide with single dopant

#6
20170363410
2017-12-21

AN OVERLAPPED CHIRPED FIBER BRAGG GRATING SENSING FIBER AND METHODS AND APPARATUS FOR PARAMETER MEASUREMENT USING SAME

#7
20160361779
2016-12-15

Fiber Bragg gratings in carbon-coated optical fibers and techniques for making same

#8
20160123715
2016-05-05

Overlapped chirped fiber Bragg grating sensing fiber and methods and apparatus for parameter measurement using same

#9
20160109650
2016-04-21

OPTICAL FIBER FOR FIBER BRAGG GRATING

#10
20120324959
2012-12-27

High temperature stable fiber grating sensor and method for producing same

#11
20120175795
2012-07-12

Hydrogen-resistant optical fiber/grating structure suitable for use in downhole sensor applications

#12
20110293232
2011-12-01

Hydrogen-resistant optical fiber/grating structure suitable for use in downhole sensor applications

#13
20090317928
2009-12-24

High temperature stable fiber grating sensor and method for producing same

#14
20090238215
2009-09-24

Method of inducing refractive index structures in a micro-structured fiber, a micro-structured fiber and an article

#15
20090169150
2009-07-02

Fiber Bragg grating and fabrication method

#16
20090074347
2009-03-19

Fiber Bragg grating for high temperature sensing

#17
20080310789
2008-12-18

Method of changing the birefringence of an optical waveguide by laser modification of the cladding

#18
20070154143
2007-07-05

Method of increasing photosensitivity of glasses to ultrafast infrared laser radiation using hydrogen or deuterium

#19
20070089462
2007-04-26

Optical fiber

#20
20060248925
2006-11-09

Conditioning optical fibers for improved ionizing radiation response

#21
20060210221
2006-09-21

Method for restoring photosensitivity in hydrogen or deuterium loaded large diameter optical waveguide

#22
20050175284
2005-08-11

Optical filter

#23
20050133694
2005-06-23

Optoelectronic component with an adjustable optical property and method for producing the layer structure

#24
20050095511
2005-05-05

Optical fiber having bragg grating and method of manufacturing the same