ClassID:

173826

G02B6/022 - CPC Classification

Classification description:

Light guides; Optical fibres with cladding comprising gratings; Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using mechanical stress, e.g. tuning by compression or elongation, special geometrical shapes such as "dog-bone" or taper

Recent Application in this class:
#1
20260104276
2026-04-16

METHOD AND APPARATUS FOR BREATH-HOLD MONITORING IN DIAGNOSTIC AND THERAPEUTIC PROCEDURES

#2
20250180472
2025-06-05

Optical Sensor and System

#3
20250172415
2025-05-29

METHOD AND APPARATUS FOR BREATH-HOLD MONITORING IN DIAGNOSTIC AND THERAPEUTIC PROCEDURES

#4
20250172414
2025-05-29

METHOD AND APPARATUS FOR REAL TIME RESPIRATORY GATING SIGNAL GENERATION AND DETECTION OF BODY DEFORMATION USING EMBEDDED FIBER BRAGG GRATINGS

#5
20250164291
2025-05-22

OPTICAL FIBER WITH MICROGRATINGS FOR INCREASED MEASURABLE STRAIN RANGE

#6
20250020491
2025-01-16

Method and apparatus for breath-hold monitoring in diagnostic and therapeutic procedures

#7
20250003774
2025-01-02

METHOD AND APPARATUS FOR REAL TIME RESPIRATORY GATING SIGNAL GENERATION AND DETECTION OF BODY DEFORMATION USING EMBEDDED FIBER BRAGG GRATINGS

#8
20240319435
2024-09-26

OPTICAL FIBER SENSOR FOR SHAPE SENSING, OPTICAL SHAPE SENSING DEVICE, SYSTEM AND METHOD

#9
20240210218
2024-06-27

Method and apparatus for real time respiratory gating signal generation and detection of body deformation using embedded fiber bragg gratings

#10
20230400625
2023-12-14

OPTICAL SIDE INPUT/OUTPUT CIRCUIT AND OPTICAL CONNECTOR

#11
20230349733
2023-11-02

Optical fiber with microgratings for increased measurable strain range

#12
20230266554
2023-08-24

SYSTEM FOR APPLYING PRE-STRAIN TO AN OPTICAL SENSOR

#13
20220404543
2022-12-22

DEVICES, SYSTEMS, AND METHODS FOR TEMPORAL COMPRESSION OR STRETCHING OF OPTICAL PULSES

#14
20220321214
2022-10-06

Suppressed out-of-band level for increasing loss margin and stable ABC operation of coded DFOS system

#15
20220214158
2022-07-07

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#16
20220110508
2022-04-14

Methods and systems for shape sensing

#17
20220049950
2022-02-17

Optical fiber sensor for shape sensing, optical shape sensing device, system and method

#18
20210314063
2021-10-07

Constant amplitude coded DFOS using out-of-band signaling

#19
20210231865
2021-07-29

IMPROVEMENTS IN AND RELATING TO WAVEGUIDES

#20
20210231432
2021-07-29

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#21
20210223068
2021-07-22

Method and apparatus for real time respiratory gating signal generation and detection of body deformation using embedded fiber Bragg gratings

#22
20210190549
2021-06-24

Method and apparatus for real time respiratory gating signal generation and detection of body deformation using embedded fiber Bragg gratings

#23
20210181045
2021-06-17

Sensing textile

#24
20210109280
2021-04-15

Devices, systems, and methods for temporal compression or stretching of optical pulses

#25
20200264018
2020-08-20

Optical fiber with microgratings for increased measurable strain range

#26
20200096323
2020-03-26

Apparatus for measuring convergence using FBG sensor and sensitivity and durability regulation method thereof

#27
20200064563
2020-02-27

Multichannel optical coupler

#28
20200049533
2020-02-13

System and method for monitoring fault conditions in a pan line of a longwall mining system

#29
20190331478
2019-10-31

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#30
20190250050
2019-08-15

Shape sensing with multi-core fiber sensor

#31
20190170698
2019-06-06

Distributed sensing fiber acoustic emission fusion sensing system and running method

#32
20180364115
2018-12-20

Sensing textile

#33
20180303376
2018-10-25

Flexible instrument channel insert for scope with real-time position tracking

#34
20180266813
2018-09-20

Curvature sensor

#35
20180266812
2018-09-20

Curvature sensor

#36
20180252098
2018-09-06

Optical fiber distributed sensors with improved dynamic range

#37
20180149498
2018-05-31

Fibre-optic communication system, a communication apparatus for the same, and a vehicle

#38
20180128599
2018-05-10

Force sensing in a distal region of an instrument including single-core or multi-core optical fiber

#39
20170341340
2017-11-30

Bonded structure, method for manufacturing the same, and bonding state detection method

#40
20170303824
2017-10-26

Systems and methods for reducing measurement error using optical fiber shape sensors

#41
20170209959
2017-07-27

Optical arrangements for processing a workpiece

#42
20170123236
2017-05-04

Communication apparatus

#43
20170023385
2017-01-26

Fiber optic transducers, fiber optic accelerometers and fiber optic sensing systems

#44
20160299017
2016-10-13

Strain sensor and method for installing strain sensor

#45
20160274298
2016-09-22

Tunable superstructure fiber grating device

#46
20160161350
2016-06-09

Structures monitoring system and method

#47
20160077295
2016-03-17

Optical transducer with integrated feedthrough

#48
20150338574
2015-11-26

Post-assembly wavelength-tuning method for an optical fiber filter

#49
20150300804
2015-10-22

Fiber optic transducers, fiber optic accelerometers and fiber optic sensing systems

#50
20150233236
2015-08-20

Optical fiber distributed sensors with improved dynamic range

#51
20150192743
2015-07-09

Fixture for shape-sensing optical fiber in a kinematic chain

#52
20140321799
2014-10-30

Fiber-grating sensors having longitudinal-strain-inducing jackets and sensor systems and structures including such sensors

#53
20140147074
2014-05-29

Side-hole cane waveguide sensor

#54
20140112615
2014-04-24

Co-registration of cores in multicore optical fiber sensing systems

#55
20140105534
2014-04-17

Fixture for shape-sensing optical fiber in a kinematic chain

#56
20140047926
2014-02-20

Frame foot loading measurement system using fiber optic sensing technique

#57
20140002275
2014-01-02

Bridge safety monitoring integrated system with full optical fiber and the method for sensing thereof

#58
20130272656
2013-10-17

Double-Sided Compression-Tuned Fiber Bragg Grating

#59
20130272645
2013-10-17

Fiber optic cantilever acoustic vector sensor

#60
20130236152
2013-09-12

Optical transducer with integrated feedthrough

#61
20120323075
2012-12-20

Optical fiber shape sensing systems

#62
20120321243
2012-12-20

Optical fiber instrument system for detecting and decoupling twist effects

#63
20120316432
2012-12-13

Optical fiber instrument system for detecting twist of elongated instruments

#64
20120314988
2012-12-13

Rotated single or multicore optical fiber

#65
20120266442
2012-10-25

Fixture for shape-sensing optical fiber in a kinematic chain

#66
20120262702
2012-10-18

Optical strain gauge comprising a fiber Bragg grating

#67
20120257209
2012-10-11

Fiber optic microseismic sensing systems

#68
20120257208
2012-10-11

Fiber optic transducers, fiber optic accelerometers and fiber optic sensing systems

#69
20120216615
2012-08-30

METHOD OF MEASURING ACCELERATION USING A FIBER OPTIC PARTICLE MOTION SENSOR

#70
20120086443
2012-04-12

Generator Operation Monitoring

#71
20120082175
2012-04-05

Large diameter optical waveguide, grating and laser

#72
20110277548
2011-11-17

Fiber optic particle motion sensor and measuring method using the sensor

#73
20110274387
2011-11-10

APPARATUS FOR SENSING A MOTION

#74
20110188537
2011-08-04

Temperature-compensated fibre optic strain gauge

#75
20110172680
2011-07-14

Optical fiber shape sensing systems

#76
20110122482
2011-05-26

Spectrally beam combined laser system and method at eye-safer wavelengths

#77
20110110620
2011-05-12

Rotated single or multicore optical fiber

#78
20110058767
2011-03-10

Reinforced Sensor With Optical Fiber Woven Into Fabric

#79
20110044578
2011-02-24

Fixture for shape-sensing optical fiber in a kinematic chain

#80
20100329602
2010-12-30

Smart fastener and smart insert for a fastener using fiber Bragg gratings to measure strain and temperature

#81
20100316328
2010-12-16

Fiber optic position transducer with magnetostrictive material and position calibration process

#82
20100313658
2010-12-16

Fiber optic particle motion sensor system

#83
20100296772
2010-11-25

Apparatus for sensing a motion

#84
20100232961
2010-09-16

FIBRE OPTIC SENSORS

#85
20100158435
2010-06-24

Side-hole cane waveguide sensor

#86
20100135608
2010-06-03

Fiber optic temperature and pressure sensor and system incorporating same

#87
20100118405
2010-05-13

Telescoping cylindrical piezoelectric fiber composite actuator assemblies

#88
20100067845
2010-03-18

Inclinometer system

#89
20100021106
2010-01-28

Temperature-compensated fibre optic strain gauge

#90
20100011865
2010-01-21

Apparatus and method for damage location and identification in structures

#91
20090324160
2009-12-31

Fixture for shape-sensing optical fiber in a kinematic chain

#92
20090297089
2009-12-03

Fiber grating sensor

#93
20090252451
2009-10-08

Intensity modulated fiber optic strain sensor

#94
20090110009
2009-04-30

Optical fiber grating tuning device and optical systems employing same

#95
20090092352
2009-04-09

Optical fiber strain sensor

#96
20090052831
2009-02-26

Fiber optic position transducer with magnetostrictive material and position calibration process

#97
20090003786
2009-01-01

Optical fiber module and optical device

#98
20080317420
2008-12-25

Large diameter optical waveguide, grating and laser

#99
20080317401
2008-12-25

Optic fiber bragg grating sensor

#100
20080285909
2008-11-20

Optical fiber shape sensing systems

#101
20080232739
2008-09-25

Tunable dispersion and dispersion slope compensator in optical telecommunication system

#102
20080212917
2008-09-04

Fiber optic temperature and pressure sensor and system incorporating same

#103
20080212082
2008-09-04

Fiber optic position and/or shape sensing based on rayleigh scatter

#104
20080204706
2008-08-28

System For Distributed Measurement of the Curves of a Structure

#105
20080188776
2008-08-07

Apparatus for pressure sensing

#106
20080166099
2008-07-10

Optical fiber feedthrough using axial seals for bi-directional sealing

#107
20080118214
2008-05-22

Optical fiber for detecting stress and associated method

#108
20070237448
2007-10-11

Method for inspecting peeling in adhesive joint

#109
20070196048
2007-08-23

Optical waveform shaping

#110
20070193362
2007-08-23

FIBER OPTIC STRAIN GAGE

#111
20070183464
2007-08-09

Articles comprising an optical fibre with a fibre bragg grating and methods of their production

#112
20070116402
2007-05-24

Humidity sensor and method for monitoring moisture in concrete

#113
20070091724
2007-04-26

Tunable optical assembly with vibration dampening

#114
20070065077
2007-03-22

Fiber optic position and shape sensing device and method relating thereto

#115
20070065071
2007-03-22

Humidity sensor and method for monitoring moisture in concrete

#116
20070058898
2007-03-15

Humidity sensor and method for monitoring moisture in concrete

#117
20070031084
2007-02-08

TRAFIC MONITORING SYSTEM

#118
20070028651
2007-02-08

Method for making large diameter multicore optical waveguide

#119
20070019918
2007-01-25

Apparatus and method for suppression of stimulated brillouin scattering in an optical fiber

#120
20070019898
2007-01-25

Fiber optic, strain-tuned, material alteration sensor

#121
20070014506
2007-01-18

Fiber optic position transducer with magnetostrictive material and position calibration process

#122
20060285813
2006-12-21

Fiber anchoring method for optical sensors

#123
20060251425
2006-11-09

Suppression of fiber-induced noise caused by narrow linewidth lasers

#124
20060202860
2006-09-14

FIBER OPTIC TRACK CIRCUIT

#125
20060177171
2006-08-10

Tension-controlled fiber optic tuning and isolating device

#126
20060177170
2006-08-10

Method for tuning a fiber optic component

#127
20060171646
2006-08-03

Large diameter optical waveguide, grating and laser

#128
20060165339
2006-07-27

Thermally-controlled fiber optic tuning and isolating device

#129
20060165338
2006-07-27

Fiber optic mechanical/thermal tuning and isolating device

#130
20060115195
2006-06-01

Fiber bragg grating device

#131
20060110105
2006-05-25

Methods for the alignment and calibration of the spectral responses of optical filters

#132
20060072869
2006-04-06

Optical fiber position transducer for flow control valve in smart wells

#133
20060023999
2006-02-02

Manufacturing of optical devices including bragg gratings

#134
20060013523
2006-01-19

Fiber optic position and shape sensing device and method relating thereto

#135
20060008208
2006-01-12

Optical fiber gratings with azimuthal refractive index perturbation

#136
20050253050
2005-11-17

Micro piezo-optic composite transducers and fabrication methods

#137
20050247082
2005-11-10

Side-hole cane waveguide sensor

#138
20050244094
2005-11-03

Optical waveguide based surface profiling apparatus

#139
20050226555
2005-10-13

Tuneable optical waveguide grating transmission filter

#140
20050220409
2005-10-06

Optical chromatic dispersion compensation module

#141
20050201664
2005-09-15

Fiber grating pressure wave speed measurement system

#142
20050169568
2005-08-04

Optical fiber inclinometer

#143
20050157993
2005-07-21

Method and device for controlling the refractive index in an optical fiber

#144
20050129365
2005-06-16

Apparatus and methods for stabilization and control of fiber devices and fiber devices including the same

#145
20050084209
2005-04-21

Tunable dispersion compensator for an optical transmission system

#146
20050030840
2005-02-10

Beam-steering optical switching apparatus

#147
20050018964
2005-01-27

Compensation of Bragg wavelength shift in a grating assisted direct coupler

#148
20050018945
2005-01-27

Optical fiber bragg grating coating removal detection

#149
20050002610
2005-01-06

Apparatus and method for adjusting the spectral response of an optical waveguide grating

#150
20050002609
2005-01-06

Apparatus and method for adjusting the spectral response of an optical waveguide grating

#151
15426811
2018-06-12

Optical phase-sensitive amplifier with fiber bragg grating phase shifter

#152
14616488
2015-08-18

Interleaved aliased AWG filter for continuous wideband wavelength discrimination