ClassID:

168087

G01N21/7746 - 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 waveguide coupled to a cavity resonator

Recent Application in this class:
#1
20260133131
2026-05-14

OPTICAL SENSOR FOR DETECTING CAESIUM IONS AND/OR MEASURING CONCENTRATION OF THE SAME

#2
20250314592
2025-10-09

RESONATOR-ENHANCED GAS SENSORS, SYSTEMS, AND METHODS

#3
20250093271
2025-03-20

THERMAL DRIFT CALIBRATED MICROCAVITIES AND SYSTEMS USING OPTICAL FREQUENCY DOMAIN REFLECTOMETRY

#4
20250052688
2025-02-13

OPTOELECTRONIC DEVICE FOR THE DETECTION OF SUBSTANCES DISPERSED IN A FLUID

#5
20240142445
2024-05-02

OPTICAL ANALYTE DETECTION SYSTEMS AND METHODS OF USE

#6
20240053268
2024-02-15

FLUORESCENCE-DETECTED ASSAYS ON MICROFLUIDIC CHIPS

#7
20230304916
2023-09-28

Tunable add-drop filter with an active resonator

#8
20230144475
2023-05-11

INTEGRATED ILLUMINATION OF OPTICAL ANALYTICAL DEVICES

#9
20230134264
2023-05-04

Optical Sensing Apparatus

#10
20230081317
2023-03-16

Photonic sensor using a fixed-wavelength laser

#11
20220411257
2022-12-29

MULTISENSOR MEMS AND/OR NEMS MEASUREMENT SYSTEM

#12
20220364996
2022-11-17

INTEGRATED DEVICE WITH EXTERNAL LIGHT SOURCE FOR PROBING DETECTING AND ANALYZING MOLECULES

#13
20220214279
2022-07-07

OPTICAL SYSTEM AND ASSAY CHIP FOR PROBING, DETECTING AND ANALYZING MOLECULES

#14
20220170861
2022-06-02

Optical system and assay chip for probing, detecting and analyzing molecules

#15
20220163724
2022-05-26

Miniaturized integrated frequency locked optical whispering evanescent resonator devices

#16
20220156224
2022-05-19

APPARATUS FOR THE SPECTROSCOPIC DETERMINATION OF THE BINDING KINETICS OF AN ANALYTE

#17
20220107274
2022-04-07

Photonic apparatus, methods, and applications

#18
20220091044
2022-03-24

OPTICAL CAVITY SURFACE BIOCONJUNCTION USING LIPID MEMBRANES FOR LABEL FREE, ULTRASENSITIVE DETECTION OF BIOMOLECULES

#19
20220065793
2022-03-03

Amorphous germanium waveguides for spectroscopic sensing and data communication applications

#20
20220050043
2022-02-17

Opto-mechanical system and method having chaos induced stochastic resonance and opto-mechanically mediated chaos transfer

#21
20220042920
2022-02-10

BIOSENSORS BASED ON OPTICAL PROBING AND SENSING

#22
20220042895
2022-02-10

Physical and chemical characterization of aerosols with photonic waveguides

#23
20210123866
2021-04-29

Electrical polarity adjustable biosensor based on lossy mode resonance, biosensing system, and method of using the same

#24
20210102901
2021-04-08

Interferometric fiber optic sensor, fiber optic probe and method of detection of chemical substance

#25
20210055293
2021-02-25

Optoelectronic device for detection of a substance dispersed in a fluid

#26
20200371034
2020-11-26

Active-source-pixel, integrated device for rapid analysis of biological and chemical specimens

#27
20200355678
2020-11-12

Micro-resonator and fiber taper sensor system

#28
20200278289
2020-09-03

Chemical sensor and method of forming the same

#29
20200208215
2020-07-02

Integrated illumination of optical analytical devices

#30
20200158651
2020-05-21

Amorphous germanium waveguides for spectroscopic sensing and data communication applications

#31
20200158650
2020-05-21

Porous waveguide sensors featuring high confinement factors and method for making the same

#32
20200110035
2020-04-09

Bio-chip package with waveguide integrated spectrometer

#33
20200096451
2020-03-26

MONITORING ENZYMATIC PROCESS

#34
20200088643
2020-03-19

Optical system and assay chip for probing, detecting and analyzing molecules

#35
20200064260
2020-02-27

Photonic chips with one sided optical ports self aligned to bifurcated fibers for the label free detection of biomolecular reactions through the use of integrated interferometers and resonators

#36
20190285552
2019-09-19

Porous silicon sensor

#37
20190256911
2019-08-22

Integrated illumination of optical analytical devices

#38
20190237596
2019-08-01

In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers

#39
20190237595
2019-08-01

In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers

#40
20190237594
2019-08-01

In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers

#41
20190234850
2019-08-01

Physical and chemical characterization of aerosols with photonic waveguides

#42
20190187061
2019-06-20

METHODS AND APPARATUS FOR INFRARED AND MID-INFRARED SENSING

#43
20190178805
2019-06-13

Photonic apparatus, methods, and applications

#44
20190148569
2019-05-16

In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers

#45
20190137404
2019-05-09

Bio-chip package with waveguide integrated spectrometer

#46
20190003975
2019-01-03

OPTICAL ANALYTE DETECTION SYSTEMS AND METHODS OF USE

#47
20180356595
2018-12-13

Nanofiber-segment ring resonator

#48
20180348133
2018-12-06

Active-source-pixel, integrated device for rapid analysis of biological and chemical specimens

#49
20180348132
2018-12-06

Active-source-pixel, integrated device for rapid analysis of biological and chemical specimens

#50
20180331237
2018-11-15

In-plane resonant cavity infrared photodetectors with fully depleted absorbers

#51
20180328850
2018-11-15

Integrated device with external light source for probing detecting and analyzing molecules

#52
20180306696
2018-10-25

Loss engineering to improve system functionality and output

#53
20180266964
2018-09-20

Method and system for measuring a sensor

#54
20180231462
2018-08-16

Method for detecting a local change in refractive index of a dielectric medium located on the surface of an optical sensor

#55
20180212080
2018-07-26

In-plane resonant-cavity infrared photodetectors with fully-depleted absorbers

#56
20180202937
2018-07-19

Biosensors based on optical probing and sensing

#57
20180164307
2018-06-14

Micro-resonator and fiber taper sensor system

#58
20180164214
2018-06-14

Detection of fluid absorption spectrum

#59
20180159295
2018-06-07

Unidirectionally emitting microdisk having ultra-high quality factor and laser using the same

#60
20180136139
2018-05-17

Bio-chip package with waveguide integrated spectrometer

#61
20180088052
2018-03-29

Optical system and assay chip for probing, detecting and analyzing molecules

#62
20180059017
2018-03-01

Metal ion detection equipment and metal ion detection method

#63
20180039024
2018-02-08

Optical device with segmented ring microresonator

#64
20180024072
2018-01-25

METHODS AND APPARATUS FOR INFRARED AND MID-INFRARED SENSING

#65
20170350809
2017-12-07

INTEGRATED OPTOFLUIDIC SYSTEM USING MICROSPHERES

#66
20170336562
2017-11-23

Photonic device for ultraviolet and visible wavelength range

#67
20170322207
2017-11-09

Label-free detection of nanoparticles and biological molecules using microtoroid optical resonatiors

#68
20170284976
2017-10-05

Gas chromatographic “in-column” spectroscopic analysis

#69
20170242194
2017-08-24

Methods and apparatus for pedestal ring resonators

#70
20170219492
2017-08-03

Integrated illumination of optical analytical devices

#71
20170016827
2017-01-19

Fluorescence-detected assays on microfluidic chips

#72
20170003227
2017-01-05

Integrated waveguide structure for fluorescence analysis

#73
20160349183
2016-12-01

Bio-chip package with waveguide integrated spectrometer

#74
20160334327
2016-11-17

Photonic sensor for in situ selective detection of components in a fluid

#75
20160265898
2016-09-15

Multi-path interferometeric sensor

#76
20160153900
2016-06-02

Optical sensor system

#77
20160070067
2016-03-10

Pre-assembled whispering gallery mode resonance sensors, for use as dip sensors or vapor sensors, for example, and methods for making such sensors

#78
20160047677
2016-02-18

Optical sensor arrangement and method for measuring an observable

#79
20150362672
2015-12-17

Liquid sensing systems and methods using a ring resonator sensor

#80
20150362425
2015-12-17

Single molecule spectroscopy using photothermal tuning of optical microcavities

#81
20150316464
2015-11-05

Analysis of bioparticles in an optical microcavity

#82
20150301034
2015-10-22

Label-free detection of nanoparticles and biological molecules using microtoroid optical resonators

#83
20150300943
2015-10-22

Optical waveguide comprising a nano-channel and optofluidic sensor using such an optical waveguide

#84
20150268161
2015-09-24

Optical sensing system and method of determining a change in a refractive index in an optical sensing system

#85
20150234211
2015-08-20

Free-space laser tuning of optical microcavities

#86
20150210920
2015-07-30

Apparatus, method and system for generating optical radiation from biological gain media

#87
20150177150
2015-06-25

Optical system and assay chip for probing, detecting and analyzing molecules

#88
20150146203
2015-05-28

Bio-chip package with waveguide integrated spectrometer

#89
20150141268
2015-05-21

Active-source-pixel, integrated device for rapid analysis of biological and chemical specimens

#90
20150141267
2015-05-21

Integrated device with external light source for probing detecting and analyzing molecules

#91
20150104860
2015-04-16

Smartphone biosensor

#92
20150049338
2015-02-19

Tunable optofluidic apparatus, method, and applications

#93
20150024507
2015-01-22

Biomarker sensing based on nanofluidic amplification and resonant optical detection

#94
20140368829
2014-12-18

Optical cantilever based analysis

#95
20140326858
2014-11-06

Optical sensor arrangement including different scan times through a frequency interval for first and second light sources

#96
20140290370
2014-10-02

Sensors using optical RF oscillators

#97
20140263948
2014-09-18

Optical biosensor and biosensing system with resonant feedback controls

#98
20140260535
2014-09-18

Gas chromatographic “in column” spectroscopic analysis

#99
20140253917
2014-09-11

Optical resonator for sensor arrangement and measuring method

#100
20140170695
2014-06-19

Biological cell nanocavity probes

#101
20140141999
2014-05-22

Method for chip-integrated label-free detection and absorption spectroscopy with high throughput, sensitivity, and specificity

#102
20140140655
2014-05-22

Packaged chip for multiplexing photonic crystal microcavity coupled waveguide and photonic crystal slot waveguide devices for chip-integrated label-free detection and absorption spectroscopy with high throughput, sensitivity, specificity, and wide dynamic range

#103
20140139843
2014-05-22

Optical cantilever based analyte detection

#104
20140134712
2014-05-15

Optical biosensor and manufacturing method thereof

#105
20140118741
2014-05-01

Method of detecting molecules and optical sensor

#106
20140080740
2014-03-20

Method for label-free multiple analyte sensing, biosensing and diagnostic assay

#107
20140061677
2014-03-06

Opto-electronic sensor

#108
20130316368
2013-11-28

Multi-target photonic biosensor, and method for manufacturing and preparing same

#109
20130309135
2013-11-21

Optical biosensor, bio-sensing system including the same, and method of fabricating the optical biosensor

#110
20130295688
2013-11-07

Optical analyte detection systems and methods of use

#111
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

#112
20130279849
2013-10-24

Micro-ring optical resonators

#113
20130189706
2013-07-25

Biosensor using whispering gallery modes in microspheres

#114
20130176557
2013-07-11

High Q-factor conical optical microresonator and utilization in the location characterization of optical fibers

#115
20130148126
2013-06-13

Integrated plasmonic nanocavity sensing device

#116
20130094029
2013-04-18

Vernier photonic sensor data-analysis

#117
20130005606
2013-01-03

Packaged chip for multiplexing photonic crystal waveguide and photonic crystal slot waveguide devices for chip-integrated label-free detection and absorption spectroscopy with high throughput, sensitivity, and specificity

#118
20130005605
2013-01-03

Photonic crystal microarray layouts for enhanced sensitivity and specificity of label-free multiple analyte sensing, biosensing and diagnostic assay

#119
20120301069
2012-11-29

Electro-optical modulator structure

#120
20120298849
2012-11-29

Optical sensor based on a broadband light source and cascaded waveguide filters

#121
20120269481
2012-10-25

Optofluidic apparatus, method, and application

#122
20120268731
2012-10-25

Systems and methods for particle detection

#123
20120224167
2012-09-06

APPARATUS AND METHOD FOR CHEMICAL, BIOLOGICAL AND RADIOLOGICAL AGENT SENSING

#124
20120212731
2012-08-23

Multiple wavelength cavity ring-down spectroscopy

#125
20120196383
2012-08-02

Integrated optofluidic system using microspheres

#126
20120194804
2012-08-02

SEMICONDUCTOR LASER BASED INTRA-CAVITY OPTICAL MICRO-FLUIDIC BIOSENSOR

#127
20120194803
2012-08-02

Optical sensing system and a method of determining a change in an effective refractive index of a resonator of an optical sensing system

#128
20120182552
2012-07-19

Optical sensor and method for detecting molecules

#129
20120181451
2012-07-19

Waveguide-based sensor

#130
20120156802
2012-06-21

Swept-frequency semiconductor laser coupled to microfabricated biomolecular sensor and methods related thereto

#131
20120154812
2012-06-21

CMOS MOEMS sensor device

#132
20120154810
2012-06-21

Optical device for detection of agent

#133
20120126143
2012-05-24

APPARATUS AND METHOD FOR OPERATING OPTICAL MICROCAVITY BY LIGHT EMITTING DIODE

#134
20120120398
2012-05-17

Micro-cavity gas and vapor sensors and detection methods

#135
20120107177
2012-05-03

Click chemistry surface functionalization for resonant micro-cavity sensors

#136
20120092650
2012-04-19

Biosensors based on optical probing and sensing

#137
20120069331
2012-03-22

Plasmonic enhancement of whispering gallery mode biosensors

#138
20120002913
2012-01-05

Photonic crystal sensor

#139
20110299807
2011-12-08

Optical sensors and methods of making the same

#140
20110295511
2011-12-01

APPARATUS AND METHOD FOR DETECTING THE PRESENCE OF AN AGENT

#141
20110267610
2011-11-03

Compact sensor system

#142
20110266470
2011-11-03

Apparatus, method and system for generating optical radiation from biological gain media

#143
20110256577
2011-10-20

METHOD FOR SENSING A BIOCHEMICAL AND/OR BIOMECHANICAL PROCESS OF A BIOLOGICAL MATERIAL AND METHOD FOR ANALYZING BIOLOGICAL MATERIALS

#144
20110256528
2011-10-20

Analyte detection assay

#145
20110253909
2011-10-20

OPTICAL SENSING VIA CAVITY MODE EXCITATIONS IN THE STIMULATED EMISSION REGIME

#146
20110194807
2011-08-11

Optical sensor

#147
20110149292
2011-06-23

APPARATUS AND METHOD FOR ANALYZING OPTICAL CAVITY MODES

#148
20110149285
2011-06-23

Optical resonator and optical sensing system comprising the same

#149
20110139970
2011-06-16

Nanoscale object detection using a whispering gallery mode resonator

#150
20110091923
2011-04-21

Compact optical reader system

#151
20110080579
2011-04-07

Chemical sensor employing resonator-enhanced forbidden-light collection

#152
20110075963
2011-03-31

Micro-resonator sensor using evanescent wave of total reflection mirror

#153
20110058158
2011-03-10

Waveguide-based sensor

#154
20110045472
2011-02-24

Label-free optical sensors

#155
20110039730
2011-02-17

Nanoscale optofluidic devices for molecular detection

#156
20110026870
2011-02-03

PHOTONIC CRYSTAL FIBER SENSOR

#157
20100303123
2010-12-02

Compact optical resonators

#158
20100297363
2010-11-25

Functionalizing a sensing ribbon on a whispering gallery mode microresonator using light force to fabricate a whispering gallery mode sensor

#159
20100296775
2010-11-25

Optical splitter, combiner and device

#160
20100284020
2010-11-11

Photonic crystal fiber sensor

#161
20100256016
2010-10-07

Biosensors including metallic nanocavities

#162
20100248391
2010-09-30

Biosensor device and method of detecting biological particles

#163
20100243448
2010-09-30

Direct optical interrogation of agents in micro-fluidic channels utilizing whispering gallery resonator approach

#164
20100231916
2010-09-16

Sensor and sensing utilizing a laser

#165
20100231903
2010-09-16

Microbubble optical resonator

#166
20100227315
2010-09-09

Biosensor Using Whispering Gallery Modes in Microspheres

#167
20100165351
2010-07-01

SILICON PHOTONIC WAVEGUIDE BIOSENSOR CONFIGURATIONS

#168
20100158439
2010-06-24

OPTICAL MICRORESONATOR

#169
20100150496
2010-06-17

Optical chemical detector and method

#170
20100149523
2010-06-17

Optical chemical detector and method

#171
20100124787
2010-05-20

Cavity-enhanced on-chip absorption spectroscopy

#172
20100110417
2010-05-06

Critically coupled microring resonator and method

#173
20100085573
2010-04-08

Split frequency sensing methods and systems

#174
20100028898
2010-02-04

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

#175
20100027023
2010-02-04

Fiber optic apparatus and method for sensing hazardous materials

#176
20090310902
2009-12-17

Optical sensing devices and methods

#177
20090310140
2009-12-17

Integrated optical disk resonator

#178
20090226127
2009-09-10

Optical chemical detector and method

#179
20090220184
2009-09-03

Electro-optical modulator structure

#180
20090214755
2009-08-27

Click chemistry surface functionalization for resonant micro-cavity sensors

#181
20090190136
2009-07-30

Detecting and/or measuring a substance based on a resonance shift of photons orbiting within a microsphere

#182
20090129721
2009-05-21

Fiber optic gas sensor

#183
20090116033
2009-05-07

Refractive index sensor

#184
20090097031
2009-04-16

Micro-cavity gas and vapor sensors and detection methods

#185
20090087137
2009-04-02

PLANAR LIGHTWAVE CIRCUITS WITH AIR FILLED TRENCHES

#186
20090067775
2009-03-12

Fiber optic chemical sensor

#187
20090010588
2009-01-08

Optimized optical resonator device for sensing applications

#188
20080299673
2008-12-04

Method for Employing a Biosensor to Detect Small Molecules ("Fragments") that Bind Directly to Immobilized Protein Targets

#189
20080292236
2008-11-27

Silicon photonic wire waveguide biosensor

#190
20080291446
2008-11-27

Optical sensing device

#191
20080266573
2008-10-30

Micro resonator sensor

#192
20080265147
2008-10-30

Porous microsphere resonators

#193
20080252890
2008-10-16

Target substance sensor and method thereof using a photonic crystal

#194
20080239310
2008-10-02

Fiber optical sensor with optical resonator

#195
20080218757
2008-09-11

Method of acquiring information with a microcavity laser

#196
20080212104
2008-09-04

Apparatus and method for resonant chemical and biological sensing

#197
20080204758
2008-08-28

Apparatus and method for chemical sensing

#198
20080203281
2008-08-28

Biological Agent Signature Detector With an Optical Fiber Cladding Combined With a Bio-Indicator

#199
20080159683
2008-07-03

Optical microresonator

#200
20080131049
2008-06-05

Optical microresonator

#201
20080129997
2008-06-05

Optical sensing methods

#202
20080116361
2008-05-22

Apparatus and method for chemical and biological sensing

#203
20080101744
2008-05-01

Optical Waveguide Sensor Devices and Methods For Making and Using Them

#204
20080008418
2008-01-10

Coupling light into microresonators

#205
20070269901
2007-11-22

Biological and chemical microcavity resonant sensors and methods of detecting molecules

#206
20070237460
2007-10-11

Hollow core optical ring resonator sensor, sensing methods, and methods of fabrication

#207
20070196043
2007-08-23

Planar-resonator based optical chemo- and biosensor

#208
20070147732
2007-06-28

Sensor using ultra thin waveguides and optical fibers

#209
20070115480
2007-05-24

Multi-cavity Fabry-Perot interferometric thin-film sensor with built-in temperature compensation

#210
20070114477
2007-05-24

ENHANCED SENSITIVITY OF A WHISPERING GALLERY MODE MICROSPHERE SENSOR BY A HIGH-REFRACTIVE INDEX SURFACE LAYER

#211
20070036479
2007-02-15

Evanescent nanosensor using an optical resonator

#212
20070014017
2007-01-18

METHOD FOR GENERATING ELECTROMAGNETIC FIELD DISTRIBUTIONS

#213
20060227331
2006-10-12

Method and apparatus for measuring and monitoring optical properties based on a ring-resonator

#214
20060182659
2006-08-17

Resonant cavity biosensor

#215
20060170931
2006-08-03

Biochemical sensors with micro-resonators

#216
20060147169
2006-07-06

Optical device and method of manufacturing the same

#217
20060123900
2006-06-15

Sensor

#218
20060062508
2006-03-23

Systems and methods for biosensing and microresonator sensors for same

#219
20050265658
2005-12-01

Dielectric microcavity sensors

#220
20050162656
2005-07-28

Apparatus and method for detecting change of dielectric constant

#221
20050135723
2005-06-23

Optical substance analyzer

#222
20050117157
2005-06-02

Cavity ring-down detection of surface plasmon resonance in an optical fiber resonator

#223
20050078731
2005-04-14

Porous microsphere resonators

#224
20050077513
2005-04-14

Hybrid sphere-waveguide resonators

#225
20050035278
2005-02-17

Micro-resonator based optical sensor

#226
15661725
2019-04-02

Optical microresonator device with thermal isolation

#227
14990296
2017-06-13

All-glass on-chip high quality-factor optical microresonator