ClassID:

173805

G02B6/021 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape

Sub-classes:
Recent Application in this class:
#1
20260023208
2026-01-22

REFLECTORS APPLIED TO PHOTONICS PLATFORMS

#2
20250271615
2025-08-28

Optical Grating Configured to Emit an Optical Beam Having a Predetermined Cross-Section and an Predetermined Intensity Pattern Over Such Cross-Section

#3
20250130362
2025-04-24

SYSTEMS AND METHODS FOR SENSOR INSTRUMENTATION IN NUCLEAR REACTORS

#4
20250067931
2025-02-27

STRESS-MODIFYING FORMATIONS FOR POLARIZATION CONTROL

#5
20240410989
2024-12-12

Optical Coupler for LIDAR Sensor

#6
20240310575
2024-09-19

OPTICAL FIBER CONNECTION STRUCTURE AND MANUFACTURING METHOD THEREOF

#7
20240184038
2024-06-06

OPTICAL WAVEGUIDE, OPTICAL WAVEGUIDE SYSTEM, LIGHT CONFINING STRUCTURES, LIGHT ENERGY STORAGE STRUCTURE, LIGHT ENERGY STORAGE SYSTEM, AND ENERGY STORAGE AND/OR CONVERSION SYSTEM

#8
20240159966
2024-05-16

MODE-SELECTIVE OPTICAL FIBER COUPLERS

#9
20240061168
2024-02-22

OPTICAL FIBER

#10
20230194805
2023-06-22

POLARIZATION MAINTAINING FIBER WITH ALIGNMENT FEATURES

#11
20230054600
2023-02-23

Optoelectronic device

#12
20220404648
2022-12-22

Methods of and systems for processing using adjustable beam characteristics

#13
20220397648
2022-12-15

Optical coupler for LIDAR sensor

#14
20220326431
2022-10-13

Optical waveguide

#15
20220287758
2022-09-15

Methods and devices for optoacoustic stimulation

#16
20220236484
2022-07-28

Optical fiber sensors

#17
20220163639
2022-05-26

Optical coupler for LIDAR sensor

#18
20210396928
2021-12-23

Optical fibers with high-temperature write-through coatings

#19
20210373232
2021-12-02

Optical connection structure

#20
20210348970
2021-11-11

DEFORMATION-INSENSITIVE BRAGG GRATING TEMPERATURE SENSOR

#21
20210292223
2021-09-23

Manufacturing method for optical fiber and manufacturing apparatus for optical fiber

#22
20210286200
2021-09-16

METHODS OF AND SYSTEMS FOR PROCESSING USING ADJUSTABLE BEAM CHARACTERISTICS

#23
20210255469
2021-08-19

Optical fiber for generating rotary optical beams

#24
20210242655
2021-08-05

OPTICAL FIBER AMPLIFIER

#25
20200333640
2020-10-22

Adjustable beam characteristics

#26
20200257050
2020-08-13

Optical dispersion compensator on silicon

#27
20200232093
2020-07-23

High refractive index hydrogenated silicon carbide and process

#28
20200116926
2020-04-16

USE OF VARIABLE BEAM PARAMETERS TO CONTROL SOLIDIFICATION OF A MATERIAL

#29
20200110220
2020-04-09

Optical dispersion compensator on silicon

#30
20200064563
2020-02-27

Multichannel optical coupler

#31
20190227225
2019-07-25

Index-matched grating inscription through fiber coating

#32
20190219759
2019-07-18

OPTICAL WAVEGUIDE

#33
20190204213
2019-07-04

Apparatus and method for measuring concentration of pollutants in water

#34
20190196104
2019-06-27

Optical fibre and optical fibre device

#35
20190170930
2019-06-06

Method for determining the curvature and/or torsion of an optical waveguide

#36
20190072705
2019-03-07

Apparatus and method for manufacturing optical fiber having bent portion

#37
20190064436
2019-02-28

Polymer modulator and laser integrated on a common platform and method

#38
20190049663
2019-02-14

Optical fiber and method of manufacturing the same

#39
20190041580
2019-02-07

Optical dispersion compensator on silicon

#40
20180372946
2018-12-27

High-bandwidth bend-insensitive multimode optical fiber

#41
20180329139
2018-11-15

Optical component and method for the production thereof

#42
20180241496
2018-08-23

Mode division multiplexing systems and methods using a rectangular-core optical fiber

#43
20180180803
2018-06-28

Use of variable beam parameters to control solidification of a material

#44
20180067254
2018-03-08

Automated system for trans-jacket fibre Bragg grating inscription and manufacturing

#45
20170351021
2017-12-07

Plastic optical fiber ribbon

#46
20170315302
2017-11-02

Quartz plastic composite optical fiber assembly, recognition method and device

#47
20170307810
2017-10-26

Diffraction structure, diffraction grating, diffraction grating array, optical phased array, optical modulator, optical filter, laser source

#48
20170269293
2017-09-21

Fiber optic diffraction grating

#49
20170227707
2017-08-10

Imaging sensor with Bragg filter and method of manufacturing the same

#50
20170129800
2017-05-11

Method of making optical fibers in a reducing atmosphere

#51
20160305771
2016-10-20

Low-cost fiber optic sensor for large strains

#52
20160047976
2016-02-18

Fibre-optic sensor and use thereof

#53
20160009589
2016-01-14

Method of making optical fibers in a reducing atmosphere

#54
20160009588
2016-01-14

Optical fiber with reducing hydrogen sensitivity

#55
20150338286
2015-11-26

Grating-based sensor

#56
20150033868
2015-02-05

Transversal load insensitive optical waveguide, and optical sensor comprising a wave guide

#57
20140233888
2014-08-21

Index matched grating inscription

#58
20140147074
2014-05-29

Side-hole cane waveguide sensor

#59
20130108218
2013-05-02

Waveguide and connecting element

#60
20120237162
2012-09-20

Transverse mode filter for waveguides

#61
20120175795
2012-07-12

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

#62
20120014643
2012-01-19

Holographic mirror for optical interconnect signal routing

#63
20110293232
2011-12-01

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

#64
20110284729
2011-11-24

Systems and Methods for Harvesting Optical Energy

#65
20110267612
2011-11-03

Hollow Core Photonic Crystal Fibre Comprising a Fibre Grating in the Cladding and Its Applications

#66
20110170823
2011-07-14

Fiber optic sensor for detecting multiple parameters in a harsh environment

#67
20110135245
2011-06-09

Microhole-structured long period fiber grating

#68
20100247027
2010-09-30

Optical sensors, systems, and methods of making

#69
20100247026
2010-09-30

Packaged sensors and harsh environment systems with packaged sensors

#70
20100166358
2010-07-01

Dual Fiber Grating and Methods of Making and Using Same

#71
20100158438
2010-06-24

Fiber Optic Diffraction Grating

#72
20100158435
2010-06-24

Side-hole cane waveguide sensor

#73
20100150497
2010-06-17

Evanescent sensor using a hollow-core ring mode waveguide

#74
20090303489
2009-12-10

Surface Plasmons

#75
20090262779
2009-10-22

Multi-core fiber grating sensor

#76
20090103874
2009-04-23

OPTICAL FIBER, A FIBER LASER, A FIBER AMPLIFIER AND ARTICLES COMPRISING SUCH ELEMENTS

#77
20090052828
2009-02-26

Fiber Bragg grating element

#78
20090034078
2009-02-05

Optical identification element having a non-waveguide substrate

#79
20080292256
2008-11-27

Optical fiber with tin doped core-cladding interface

#80
20080130692
2008-06-05

Phosphate glass based optical device and method

#81
20080095495
2008-04-24

Evanescent sensor using a hollow-core ring mode waveguide

#82
20080085087
2008-04-10

Capillary waveguide tunable optical device

#83
20080085080
2008-04-10

Fiber optic device for measuring a parameter of interest

#84
20080075412
2008-03-27

FIBER OPTIC SENSOR WITH PROTECTIVE CLADDING AND FABRICATION METHODS

#85
20070147738
2007-06-28

INTRINSIC FABRY-PEROT STRUCTURE WITH MICROMETRIC TIP

#86
20070028651
2007-02-08

Method for making large diameter multicore optical waveguide

#87
20060215976
2006-09-28

Multicore optical fiber with integral diffractive elements machined by ultrafast laser direct writing

#88
20060146909
2006-07-06

Fiber optic temperature sensor

#89
20060039418
2006-02-23

Wavelength locked fiber-coupled diode-laser bar

#90
20060029322
2006-02-09

Optical fiber sensor based on retro-reflective fiber Bragg gratings

#91
20050265661
2005-12-01

Optical true-time delay apparatus and manufacturing method thereof

#92
20050259944
2005-11-24

Fiber waveguide formed from chalcogenide glass and polymer

#93
20050254542
2005-11-17

Optical true-time delay apparatus and manufacturing method thereof

#94
20050247082
2005-11-10

Side-hole cane waveguide sensor

#95
20050232541
2005-10-20

Optical fiber sensor based on retro-reflective fiber bragg gratings

#96
20050226576
2005-10-13

Enhanced supercontinuum generation in highly nonlinear fibers using post-fabrication processing

#97
20050226575
2005-10-13

Enhanced supercontinuum generation in highly nonlinear fibers using strong bragg gratings

#98
20050220408
2005-10-06

Optical identification element having non-waveguide photosensitive substrate with diffraction grating therein

#99
20050175284
2005-08-11

Optical filter

#100
18778773
2025-04-22

Reflectors applied to photonics platforms