ClassID:

168085

G01N21/774 - CPC Classification

Classification description:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure

Sub-classes:
Recent Application in this class:
#1
20260153676
2026-06-04

INTEGRATED TARGET WAVEGUIDE DEVICES AND SYSTEMS FOR OPTICAL COUPLING

#2
20260153447
2026-06-04

SENSING ASSEMBLY FOR A GAS SENSOR FOR DETECTING A REACTIVE GAS

#3
20260016411
2026-01-15

DIFFRACTIVE SENSOR FOR SENSING TARGET ANALYTES IN A SAMPLE, AND SYSTEM AND METHOD FOR SENSING TARGET ANALYTES IN A SAMPLE BY SAID DIFFRACTIVE SENSOR

#4
20240184046
2024-06-06

INTEGRATED TARGET WAVEGUIDE DEVICES AND SYSTEMS FOR OPTICAL COUPLING

#5
20230333313
2023-10-19

PHASE-SHIFTED FIBER BRAGG GRATING SENSOR AND METHOD FOR PRODUCING SAME

#6
20230311060
2023-10-05

METHOD OF PACKAGING AND DESIGNING BRAGG GRATING OPTICAL FIBER SYSTEM FOR SENSING CARBON DIOXIDE

#7
20230081317
2023-03-16

Photonic sensor using a fixed-wavelength laser

#8
20220196650
2022-06-23

SELF-REFERENCED SENSOR

#9
20220042920
2022-02-10

BIOSENSORS BASED ON OPTICAL PROBING AND SENSING

#10
20210324456
2021-10-21

Photonic resonator absorption microscopy (PRAM) for digital resolution biomolecular diagnostics

#11
20210318488
2021-10-14

PHASE-SHIFTED FIBER BRAGG GRATING SENSOR AND METHOD FOR PRODUCING SAME

#12
20210171393
2021-06-10

OPTICAL SENSOR EMPLOYING A REFRACTIVE INDEX ENGINEERED METAL OXIDE MATERIAL

#13
20210033788
2021-02-04

Integrated target waveguide devices and systems for optical coupling

#14
20200049882
2020-02-13

Integrated target waveguide devices and systems for optical coupling

#15
20200017409
2020-01-16

Optical sensor employing a refractive index engineered metal oxide material

#16
20190285552
2019-09-19

Porous silicon sensor

#17
20190265169
2019-08-29

Colorimetric chemical sensor with enhanced color sensitivity

#18
20190127784
2019-05-02

Photonic resonator absorption microscopy (PRAM) for digital resolution biomolecular diagnostics

#19
20190025205
2019-01-24

Cuvette and method for measuring refractive index in a spectrophotometer

#20
20180252555
2018-09-06

Fiber optic sensing using soluble layers

#21
20180202928
2018-07-19

Resonant periodic structures and methods of using them as filters and sensors

#22
20180141859
2018-05-24

Optical sensor employing a refractive index engineered metal oxide material

#23
20180120192
2018-05-03

Systems and methods for scour monitoring with fiber optic sensors

#24
20180088028
2018-03-29

Tilted grating sensor

#25
20170350813
2017-12-07

Apparatus for detecting a substance and method of operating the same

#26
20170307521
2017-10-26

Device and method for determining a refractive index

#27
20170138862
2017-05-18

FIBER BRAGG GRATING OPTICAL SENSOR HAVING A NANOPOROUS COATING

#28
20170038295
2017-02-09

COLORIMETRIC SENSOR WITH AUTOMATED READOUT

#29
20160363728
2016-12-15

Integrated target waveguide devices and systems for optical coupling

#30
20160282275
2016-09-29

Manipulation of fluids in three-dimensional porous photonic structures with patterned surface properties

#31
20160252450
2016-09-01

Fiber optic sensor for measurement of carbon dioxide

#32
20160033397
2016-02-04

Resonant optical transducers for in-situ gas detection

#33
20150330814
2015-11-19

Distributed optical chemical sensor

#34
20150276612
2015-10-01

Device for use in the detection of binding affinities

#35
20150272903
2015-10-01

Nanoimprinting of silk fibroin structures for biomedical and biophotonic applications

#36
20150005197
2015-01-01

Ultrasensitive Assays With A Nanoparticle-Based Photonic Crystal

#37
20140370532
2014-12-18

Quantitative multiplex detection of pathogen biomarkers

#38
20140170695
2014-06-19

Biological cell nanocavity probes

#39
20140071450
2014-03-13

Wavelength-tunable detector for label-independent optical reader

#40
20140029085
2014-01-30

Resonant optical transducers for in-situ gas detection

#41
20140017145
2014-01-16

Manipulation of fluids in three-dimensional porous photonic structures with patterned surface properties

#42
20140002821
2014-01-02

Tilted grating sensor

#43
20130284928
2013-10-31

Device and system for selectively detecting gas components or concentrations of gas components in gas to be analyzed and method for operating such device

#44
20130229652
2013-09-05

Sensor chip, sensor cartridge, and analysis apparatus

#45
20130063724
2013-03-14

Motion control systems and methods for biosensor scanning

#46
20120177319
2012-07-12

Optical fiber sensor and methods of manufacture

#47
20120170041
2012-07-05

Photonic sensing method and device

#48
20120103066
2012-05-03

Gas detection system incorporating fiber gas sensors having fiber bragg gratings

#49
20120098360
2012-04-26

System having fiber optic purity sensor

#50
20120081696
2012-04-05

Distributed optical chemical sensor

#51
20120058507
2012-03-08

Clonal Derivation and Cell Culture quality Control Screening Methods

#52
20120045578
2012-02-23

METHOD FOR MANUFACTURING A PHOTONIC CRYSTAL DEVICE PROVIDED WITH A PLASMONIC WAVEGUIDE

#53
20120039568
2012-02-16

In-plane optical metrology

#54
20120034291
2012-02-09

Nanoimprinting of silk fibroin structures for biomedical and biophotonic applications

#55
20110253880
2011-10-20

Optical Reader Having Enhanced Two-Dimensional Resolution

#56
20110228275
2011-09-22

Fiber optic hydrogen purity sensor and system

#57
20110200285
2011-08-18

Coated waveguide for optical detection

#58
20110130969
2011-06-02

Resonant-Wavelength Measurement Method For Label-Independent Scanning Optical Reader

#59
20110128537
2011-06-02

Methods and systems for Raman and optical cross-interrogation in flow-through silicon membranes

#60
20110117585
2011-05-19

Quantitative multiplex detection of pathogen biomarkers

#61
20110116095
2011-05-19

Non-Spectroscopic Label-Independent Optical Reader System and Methods

#62
20110116088
2011-05-19

Sensor chip, sensor cartridge, and analysis apparatus

#63
20110114859
2011-05-19

Sensor chip, sensor cartridge, and analysis apparatus

#64
20110109909
2011-05-12

Tunable light source for label-independent optical reader

#65
20110092608
2011-04-21

Large-scale colloidal crystals and macroporous polymers and method for producing

#66
20110085759
2011-04-14

COMPOSITE THIN FILM, AND ATMOSPHERE SENSOR AND OPTICAL WAVEGUIDE SENSOR EACH INCLUDING THE SAME

#67
20110046021
2011-02-24

Tag free bio sensing micro strip

#68
20110039730
2011-02-17

Nanoscale optofluidic devices for molecular detection

#69
20110020008
2011-01-27

Photonic bandgap fibers

#70
20110015874
2011-01-20

APPARATUS AND METHOD FOR DETECTING COMPONENTS OF MIXED GAS

#71
20110000881
2011-01-06

Method of manufacturing an optical integrated nanospectrometer

#72
20100296775
2010-11-25

Optical splitter, combiner and device

#73
20100271623
2010-10-28

Method and apparatus for characterizing a multilayered structure

#74
20100259752
2010-10-14

SENSORS WITH FIBER BRAGG GRATINGS AND CARBON NANOTUBES

#75
20100176200
2010-07-15

System and method for strong photon localization by disordered photonic crystal structures

#76
20100172610
2010-07-08

Method of fabricating waveguide devices which use evanescent coupling between waveguides and grooves

#77
20100150781
2010-06-17

Optical sensor and methods for measuring molecular binding interactions

#78
20100150497
2010-06-17

Evanescent sensor using a hollow-core ring mode waveguide

#79
20100144020
2010-06-10

DISPOSABLE DIAGNOSTIC KIT

#80
20100129856
2010-05-27

Methods and Devices for Cell Signaling Under Pulse Stimulation

#81
20100096562
2010-04-22

WIREGRID WAVEGUIDE

#82
20100080502
2010-04-01

Optical fiber sensor

#83
20100028898
2010-02-04

Method of identifying a target analyte using photonic crystal resonators, and related device

#84
20090320526
2009-12-31

Pre-form for and methods of forming a hollow-core slotted PBG optical fiber for an environmental sensor

#85
20090263072
2009-10-22

Tilted grating sensor

#86
20090244532
2009-10-01

Multiplexed photonic membranes and related detection methods for chemical and/or biological sensing applications

#87
20090224173
2009-09-10

Grating waveguide structure for reinforcing an excitation field and use thereof

#88
20090219511
2009-09-03

Waveguide, and device and detection method using the same

#89
20090210168
2009-08-20

Optical device for measuring a physical parameter in a hydrogen contaminated sensing zone

#90
20090195778
2009-08-06

Optical integrated nanospectrometer

#91
20090122308
2009-05-14

Photonic bandgap fibers

#92
20090116033
2009-05-07

Refractive index sensor

#93
20090040613
2009-02-12

In-plane optical metrology

#94
20090034902
2009-02-05

Method for Increasing Signal Intensity in An Optical Waveguide Sensor

#95
20080267555
2008-10-30

Plasmon-polariton refractive-index fiber bio-sensor with fiber Bragg grating

#96
20080260325
2008-10-23

Composite evanescent waveguides and associated methods

#97
20080252890
2008-10-16

Target substance sensor and method thereof using a photonic crystal

#98
20080219618
2008-09-11

Methods of making and operating a fiber optic sensing device

#99
20080218758
2008-09-11

Method, system and module for monitoring a power generating system

#100
20080204747
2008-08-28

Multiwavelength optical sensors

#101
20080095664
2008-04-24

Photonic crystal solvent vapor sensing device

#102
20080095495
2008-04-24

Evanescent sensor using a hollow-core ring mode waveguide

#103
20080043248
2008-02-21

PHOTONIC CRYSTAL SENSORS USING BAND EDGE AND/OR DEFECT MODE MODULATION

#104
20070230859
2007-10-04

Fiber optic probe for detecting the presence or absence of one or more substances within a medium

#105
20070196043
2007-08-23

Planar-resonator based optical chemo- and biosensor

#106
20070189666
2007-08-16

Composite evanescent waveguides and associated methods

#107
20070184557
2007-08-09

Optical sensor using functionalized composite materials

#108
20070163301
2007-07-19

Photonic bandgap fibers

#109
20070154356
2007-07-05

Optically readable microplate

#110
20070116401
2007-05-24

Method, system and module for monitoring a power generating system

#111
20070098323
2007-05-03

Reflection-mode fiber sensing devices

#112
20070075225
2007-04-05

Fiber optic sensing device and method of making and operating the same

#113
20070058898
2007-03-15

Humidity sensor and method for monitoring moisture in concrete

#114
20070036479
2007-02-15

Evanescent nanosensor using an optical resonator

#115
20070025661
2007-02-01

Fiber-optic sensor or modulator using tuning of long period gratings with self-assembled layers

#116
20070020144
2007-01-25

Functionalization of air hole arrays of photonic crystal fibers

#117
20070014017
2007-01-18

METHOD FOR GENERATING ELECTROMAGNETIC FIELD DISTRIBUTIONS

#118
20060284059
2006-12-21

Optical fiber based surface sensing system that enables spectral multiplexing

#119
20060281077
2006-12-14

Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor

#120
20060255008
2006-11-16

Photonic sensor particles and fabrication methods

#121
20060233504
2006-10-19

Segmented waveguide structures

#122
20060216200
2006-09-28

Photonic crystal and waveguide sensor device

#123
20060215959
2006-09-28

Fiber optic sensing device and method of making and operating the same

#124
20060193583
2006-08-31

Photonic bandgap fibers

#125
20060188398
2006-08-24

Sensor for detecting a target substance in a fluid

#126
20060147169
2006-07-06

Optical device and method of manufacturing the same

#127
20060072642
2006-04-06

Photonic crystal laser sensors and methods

#128
20060066867
2006-03-30

Photonic crystal interferometer

#129
20060056463
2006-03-16

Integrated radiation sources and amplifying structures, and methods of using the same

#130
20050269490
2005-12-08

Long period grating sensor methods and apparatus

#131
20050265649
2005-12-01

Optical fiber pH sensor

#132
20050244982
2005-11-03

Tag free bio sensing micro strip

#133
20050135723
2005-06-23

Optical substance analyzer

#134
20050105841
2005-05-19

Devices, systems, and methods for sensing moisture

#135
20050095417
2005-05-05

Large-scale colloidal crystals and macroporous polymers and method for producing