Patents-Review.com
ClassID:

166087 ⎘

G01J3/4531 - CPC Classification

Classification description:

Spectrometry; Spectrophotometry; Monochromators; Measuring colours; Investigating the spectrum; Interferometric spectrometry by correlation of the amplitudes Devices without moving parts

Recent Application in this class:
#1
20250347559
2025-11-13

FABRY-PEROT FOURIER TRANSFORM SPECTROMETER

 #2
20250305882
2025-10-02

METHOD AND APPARATUSES FOR FOURIER TRANSFORM SPECTROMETRY

 #3
20250251281
2025-08-07

Component For Building A Miniaturized Spectrometer And Method For Using It

 #4
20250102362
2025-03-27

Interferometer

 #5
20230400354
2023-12-14

PHOTONIC INTEGRATED CIRCUIT

 #6
20230375408
2023-11-23

MEMS DEVICE FOR INTERFEROMETRIC SPECTROSCOPY

 #7
20230349764
2023-11-02

SYSTEMS AND METHODS FOR DUAL COMB SPECTROSCOPY

 #8
20230221180
2023-07-13

Fabry-perot fourier transform spectrometer

 #9
20230076993
2023-03-09

HANDHELD OPTICAL SPECTROSCOPY SCANNER

 #10
20220178751
2022-06-09

Monolithic assembly of miniature reflective cyclical spatial heterodyne spectrometer interferometry systems

 #11
20210310869
2021-10-07

Spectral measurement device and spectral measurement method

 #12
20210310864
2021-10-07

High-throughput compact static-Fourier-transform spectrometer

 #13
20210239526
2021-08-05

High-performance on-chip spectrometers and spectrum analyzers

 #14
20210223106
2021-07-22

MEMS device for interferometric spectroscopy

 #15
20210190588
2021-06-24

Fabry-Perot Fourier transform spectrometer

 #16
20210123809
2021-04-29

Optical Interference Device

 #17
20210080324
2021-03-18

Systems and methods for dual comb spectroscopy

 #18
20210003450
2021-01-07

Spatial heterodyne spectrometer

 #19
20200378831
2020-12-03

LIQUID CRYSTAL FOURIER TRANSFORM IMAGING SPECTROMETER

 #20
20200278248
2020-09-03

Waveguide spectrometer to carry out the integrated interferogram scanning

 #21
20200191650
2020-06-18

Noise suppression in spectrometers

 #22
20200110323
2020-04-09

Fourier-transform interferometer using meta surface

 #23
20200103281
2020-04-02

Apparatus, systems, and methods for talbot spectrometers

 #24
20200049557
2020-02-13

Polarization measurement with interference patterns of high spatial carrier frequency

 #25
20200025616
2020-01-23

High-resolution integrated-optics-based spectrometer

 #26
20190331529
2019-10-31

Apparatus, systems, and methods for on-chip spectroscopy using optical switches

 #27
20190323892
2019-10-24

Apparatus, systems, and methods for Talbot spectrometers

 #28
20190313036
2019-10-10

Liquid crystal fourier transform imaging spectrometer

 #29
20190219445
2019-07-18

Miniaturized waveguide imaging spectrometer

 #30
20190204594
2019-07-04

Exit-pupil expander used distribute light over a liquid-crystal variable retarder

 #31
20190204153
2019-07-04

Method and apparatus for transforming uniformly or non-uniformly sampled interferograms to produce spectral data

 #32
20190178715
2019-06-13

Common path interferometers spectrometer with a focusing input

 #33
20190170576
2019-06-06

Fourier transform multi-channel spectral imager

 #34
20190162999
2019-05-30

Liquid-crystal variable retarder using liquid crystal cells of differing thicknesses

 #35
20190162643
2019-05-30

Photo-thermal interferometer

 #36
20190155124
2019-05-23

Fourier-transform interferometer using meta surface

 #37
20190056270
2019-02-21

System and method for interferometric based spectrometry and compact spectrometer using same

 #38
20190049302
2019-02-14

Integrated polarization interferometer and snapshot specro-polarimeter applying same

 #39
20190041267
2019-02-07

Computationally-assisted multi-heterodyne spectroscopy

 #40
20180321083
2018-11-08

Miniature spectrometer and a spectroscopic method

 #41
20180283949
2018-10-04

Spatially resolved gas detection

 #42
20180274981
2018-09-27

Apparatus, systems, and methods for on-chip spectroscopy using optical switches

 #43
20180274979
2018-09-27

Optical sensor, sensor arrangement and method for sensing

 #44
20180128683
2018-05-10

Monolithic assembly of reflective spatial heterodyne spectrometer

 #45
20180128592
2018-05-10

Integrated fourier transform optical spectrometer

 #46
20180106674
2018-04-19

Gas visualizing methods and systems with birefringent polarization interferometer

 #47
20180106671
2018-04-19

Compact interferometer

 #48
20180080824
2018-03-22

Fabry-Perot Fourier transform spectrometer

 #49
20180045569
2018-02-15

Spectral imaging system

 #50
20170264835
2017-09-14

Liquid crystal fourier transform imaging spectrometer

 #51
20170264834
2017-09-14

Liquid crystal fourier transform imaging spectrometer

 #52
20170227399
2017-08-10

Apparatus, systems, and methods for on-chip spectroscopy using optical switches

 #53
20170184449
2017-06-29

Imaging device and method

 #54
20170059412
2017-03-02

Apparatus, systems, and methods for Talbot spectrometers

 #55
20170038258
2017-02-09

Obtaining spectral information from a moving object

 #56
20170023410
2017-01-26

Photodetection apparatus including optical filter and optical detector

 #57
20170016770
2017-01-19

Optical interference device

 #58
20160282184
2016-09-29

High performance parallel spectrometer device

 #59
20160127661
2016-05-05

Liquid crystal fourier transform imaging spectrometer

 #60
20160123811
2016-05-05

Liquid crystal fourier transform imaging spectrometer

 #61
20150285685
2015-10-08

Systems and methods for deep spectroscopic imaging of biological samples with use of an interferometer and spectrometer

 #62
20150285684
2015-10-08

Imaging spectropolarimeter using orthogonal polarization pairs

 #63
20150268097
2015-09-24

Spectroscopic measurement device having diffraction grating at conjugate plane of relay lens

 #64
20150198483
2015-07-16

Spectroscopic measurement device having transmissive optical member with a sloped face

 #65
20150085284
2015-03-26

Static interferometer with step-style reflective element

 #66
20150029504
2015-01-29

Fourier-transform interferometer with staircase reflective element

 #67
20140247447
2014-09-04

Systems and methods for high resolution spatial heterodyne raman spectroscopy

 #68
20140192363
2014-07-10

Spectroscopy assembly including optical ring resonators and at least one waveguide on a common substrate

 #69
20140092385
2014-04-03

Dispersed fourier transform spectrometer, methods and systems

 #70
20140078298
2014-03-20

Snapshot spatial heterodyne imaging polarimetry

 #71
20140043612
2014-02-13

Method and apparatus for analyzing, identifying or imaging a target

 #72
20140021351
2014-01-23

Terahertz frequency domain spectrometer with heterodyne downconversion

 #73
20130314702
2013-11-28

Two-dimensional fourier transform spectrometer

 #74
20130089888
2013-04-11

System and method for nonlinear optical devices

 #75
20130087693
2013-04-11

Single-photon detection system comprising non-linear optical amplifier and related method of operation

 #76
20130087689
2013-04-11

System and method for nonlinear optical devices

 #77
20130027711
2013-01-31

Time domain-frequency domain optical coherence tomography apparatus and methods for use

 #78
20120327421
2012-12-27

Micro-machined imaging interferometer having a static interferometric cavity

 #79
20120326039
2012-12-27

Terahertz frequency domain spectrometer with phase modulation of source laser beam

 #80
20120281224
2012-11-08

SYSTEMS AND METHODS FOR ENDOSCOPIC ANGLE-RESOLVED LOW COHERENCE INTERFEROMETRY

 #81
20120281223
2012-11-08

Compact interferometer spectrometer

 #82
20120268745
2012-10-25

Ultra-compact snapshot imaging fourier transform spectrometer

 #83
20120105852
2012-05-03

Interferometric spectral imaging of a two-dimensional array of samples using surface plasmon resonance

 #84
20120050744
2012-03-01

Planar lightwave fourier-transform spectrometer measurement including phase shifting for error correction

 #85
20120026483
2012-02-02

Correlation interferometric methods, devices and systems for low cost and rugged spectroscopy

 #86
20110299089
2011-12-08

COMPACT LIQUID CRYSTAL BASED FOURIER TRANSFORM SPECTROMETER SYSTEM

 #87
20110267599
2011-11-03

SYSTEMS, METHODS, DEVICES, AND COMPUTER READABLE MEDIA FOR TERAHERTZ RADIATION DETECTION

 #88
20110228279
2011-09-22

Fabry-perot fourier transform spectrometer

 #89
20110199616
2011-08-18

Process and instrument for reconstruction of an irregularly sampled narrow-band signal

 #90
20110050845
2011-03-03

Miniaturized all-reflective holographic fourier transform imaging spectrometer based on a new all-reflective interferometer

 #91
20110032530
2011-02-10

Field compensated static interferometer for fourier transform spectroscopy

 #92
20110032529
2011-02-10

Stable monolithic interferometer for wavelenghth calibration

 #93
20100328648
2010-12-30

Broad band referencing reflectometer

 #94
20100315648
2010-12-16

Non-periodic wavefront dividing interferometer

 #95
20100314545
2010-12-16

Terahertz frequency domain spectrometer with frequency shifting of source laser beam

 #96
20100245831
2010-09-30

Planar lightwave fourier-transform spectrometer

 #97
20100208252
2010-08-19

Matched pulse stimulated raman scattering

 #98
20100171952
2010-07-08

Two-dimensional fourier transform spectrometer

 #99
20100051822
2010-03-04

Broad band referencing reflectometer

 #100
20100014090
2010-01-21

Systems and methods for endoscopic angle-resolved low coherence interferometry

 #101
20090323762
2009-12-31

High-speed spectrographic sensor for internal combustion engines

 #102
20090316159
2009-12-24

Slab waveguide spatial heterodyne spectrometer assembly

 #103
20090283680
2009-11-19

Terahertz frequency domain spectrometer with controllable phase shift

 #104
20090231592
2009-09-17

REFRACTIVE SPATIAL HETERODYNE SPECTROMETER

 #105
20090219543
2009-09-03

Contra-propagative wave spectograph

 #106
20090115997
2009-05-07

MEASUREMENT SYSTEMS AND METHODS FOR OXYGENATED HEMOGLOBIN SATURATION LEVEL

 #107
20090002711
2009-01-01

Broad band referencing reflectometer

 #108
20090002684
2009-01-01

High-speed spectrographic sensor for internal combustion engines

 #109
20080285031
2008-11-20

Use of crossed-beam spectral interferometry to characterize optical pulses

 #110
20080157750
2008-07-03

Method and apparatus for measuring terahertz time-domain spectroscopy

 #111
20080117435
2008-05-22

Coherence spectrometry devices

 #112
20080042071
2008-02-21

Broad band referencing reflectometer

 #113
20070182966
2007-08-09

Method and apparatus for conducting heterodyne frequency-comb spectroscopy

 #114
20070159634
2007-07-12

Compression assembly of spatial heterodyne spectrometer (SHS)

 #115
20070146720
2007-06-28

Spectrometer method and apparatus for near infrared to terahertz wavelengths

 #116
20070133002
2007-06-14

Systems and methods for endoscopic angle-resolved low coherence interferometry

 #117
20070077595
2007-04-05

Miniaturized spectrometer using optical waveguide and integrated Raman system on-chip

 #118
20070070354
2007-03-29

Electro-optic imaging Fourier transform spectrometer

 #119
20070030488
2007-02-08

Vacuum ultra-violet reflectometer with stray light correction

 #120
20060208198
2006-09-21

Vacuum ultraviolet reflectometer integrated with processing system

 #121
20060208190
2006-09-21

Chemical agent sensor having a stationary linear fringe interferometer

 #122
20060192958
2006-08-31

Vacuum ultraviolet reflectometer having collimated beam

 #123
20060055935
2006-03-16

Wavelength dispersive fourier transform spectrometer

 #124
20050006590
2005-01-13

Broad band referencing reflectometer

 #125
15919252
2019-01-22

Interferometric technique for measuring upper atmospheric Doppler winds utilizing projections of a satellite's velocity

 #126
15262158
2018-11-20

Method for snapshot interferometric spectrometry