ClassID:

164200

G01B9/02043 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by particular imaging or detection techniques Imaging of the Fourier or pupil or back focal plane, i.e. angle resolved imaging

Recent Application in this class:
#1
20250354872
2025-11-20

METHODS AND SYSTEMS FOR TWO-DIMENSIONAL DETERMINATION OF THE SIZE AND SHAPE OF A BRIGHT, MICRON-SIZE LIGHT SOURCE USING INTERFEROMETRY WITH A TWO-DIMENSIONAL NON-REDUNDANT APERTURE MASK, INCLUDING METHODS AND SYSTEMS FOR WAVEFRONT SENSING

#2
20240401927
2024-12-05

ABSOLUTE MEASUREMENT METHOD FOR THE PHASE OF THE COMPLEX COHERENCE COEFFICIENT

#3
20240280914
2024-08-22

Scanning overlay metrology with high signal to noise ratio

#4
20240197171
2024-06-20

Imaging Target Movement Compensation in a Fourier-domain Optical Coherence Tomography Imaging System

#5
20240167806
2024-05-23

PUPIL IMAGE MEASURING DEVICE AND METHOD

#6
20240115128
2024-04-11

FREQUENCY-DOMAIN INTERFEROMETRIC BASED IMAGING SYSTEMS AND METHODS

#7
20240068804
2024-02-29

MULTI-PITCH GRID OVERLAY TARGET FOR SCANNING OVERLAY METROLOGY

#8
20230101855
2023-03-30

Automatic optical path adjustment in home OCT

#9
20230098439
2023-03-30

SYSTEMS AND METHODS FOR CONCURRENT MEASUREMENTS OF INTERFEROMETRIC AND ELLIPSOMETRIC SIGNALS OF MULTI-LAYER THIN FILMS

#10
20230069303
2023-03-02

Local shape deviation in a semiconductor specimen

#11
20230035415
2023-02-02

Thin films and surface topography measurement using polarization resolved interferometry

#12
20220034652
2022-02-03

Grey-mode scanning scatterometry overlay metrology

#13
20220003535
2022-01-06

Ellipsometer

#14
20210389116
2021-12-16

Optical coherence tomography apparatus, imaging method, and non-transitory computer readable medium storing imaging program

#15
20210348912
2021-11-11

SWEPT SOURCE OPTICAL COHERENCE TOMOGRAPHY IMAGING SYSTEM

#16
20210156671
2021-05-27

Three dimensional (3D) imaging using optical coherence factor (OCF)

#17
20210007601
2021-01-14

Frequency-domain interferometric based imaging systems and methods

#18
20200260949
2020-08-20

Automatic optical path adjustment in home OCT

#19
20200141715
2020-05-07

Methods and systems of holographic interferometry

#20
20200107718
2020-04-09

Automatic optical path adjustment in home OCT

#21
20190376783
2019-12-12

Physical parameter estimating method, physical parameter estimating device, and electronic apparatus using sampling theorem in the fractional fourier transform domain

#22
20190265024
2019-08-29

Sample shape measuring apparatus for calculating a shape of a sample disposed between an illumination optical system and an observation optical system

#23
20190226829
2019-07-25

System for Performing Dual Path, Two- Dimensional Optical Coherence Tomography(OCT)

#24
20190195615
2019-06-27

Cascade Fourier domain optical coherence tomography

#25
20180347965
2018-12-06

Optical measurement apparatus and optical measurement method

#26
20180347964
2018-12-06

Optical measurement apparatus and optical measurement method

#27
20180257786
2018-09-13

Device and method for determining the water content in the atmosphere, device and method for detecting icing conditions and computer programs

#28
20180209778
2018-07-26

Dynamic mode switching for multi-mode ophthalmic optical coherence tomography

#29
20180156597
2018-06-07

Scanning white-light interferometry system for characterization of patterned semiconductor features

#30
20180112964
2018-04-26

Interferometer

#31
20180058994
2018-03-01

Method for determining the water content in the atmosphere, method for detecting icing conditions and computer programs

#32
20180008147
2018-01-11

Systems and methods for endoscopic angle-resolved low coherence interferometry

#33
20180003482
2018-01-04

Methods and Apparatus for Swept-Source Optical Coherence Tomography

#34
20170363414
2017-12-21

Edge registration for interferometry

#35
20170261308
2017-09-14

System for performing dual path, two-dimensional optical coherence tomography (OCT)

#36
20170160072
2017-06-08

ROTARY FOURIER TRANSFORM INTERFEROMETER SPECTROMETER INCLUDING A MULTI-FACETED OPTICAL ELEMENT

#37
20170105618
2017-04-20

Frequency-domain interferometric based imaging systems and methods

#38
20160320170
2016-11-03

Method and apparatus for performing optical imaging using frequency-domain interferometry

#39
20160223453
2016-08-04

Real-time label-free high-throughput cell screening in flow

#40
20150369587
2015-12-24

SD-OCT Flatten Coherence Length by Controlling Spatial Dispersion

#41
20150292859
2015-10-15

ROTARY FOURIER TRANSFORM INTERFEROMETER SPECTROMETER INCLUDING A MULTI-FACETED OPTICAL ELEMENT

#42
20150192405
2015-07-09

Methods and apparatus for swept-source optical coherence tomography

#43
20150184995
2015-07-02

Spectral filtering of k-clock signal in OCT system and method

#44
20150168125
2015-06-18

System for performing dual path, two-dimensional optical coherence tomography (OCT)

#45
20150159992
2015-06-11

Image registration, averaging, and compounding for high speed extended depth optical coherence tomography

#46
20150124259
2015-05-07

Method For Biodynamic Spectroscope Imaging

#47
20150110376
2015-04-23

Methods, systems and computer program products for dynamic optical histology using optical coherence tomography

#48
20150109621
2015-04-23

Swept source OCT system and method with phase-locked detection

#49
20150077755
2015-03-19

Method and apparatus for performing optical imaging using frequency-domain interferometry

#50
20150062591
2015-03-05

APPARATUSES, SYSTEMS, AND METHODS FOR LOW-COHERENCE INTERFEROMETRY (LCI)

#51
20150045677
2015-02-12

Systems and methods for endoscopic angle-resolved low coherence interferometry

#52
20150002853
2015-01-01

MINIATURE SCAN-FREE OPTICAL TOMOGRAPHY SYSTEM

#53
20140340503
2014-11-20

Observation device

#54
20140218748
2014-08-07

Systems and methods of angle-resolved low coherence interferometry based optical correlation

#55
20140111791
2014-04-24

Phase characterization of targets

#56
20140028974
2014-01-30

Line-field holoscopy

#57
20130010304
2013-01-10

OPTICAL TOMOGRAPHY SYSTEM

#58
20120127475
2012-05-24

APPARATUSES, SYSTEMS, AND METHODS FOR LOW-COHERENCE INTERFEROMETRY (LCI)

#59
20120089365
2012-04-12

DATA INTERPOLATION METHODS FOR METROLOGY OF SURFACES, FILMS AND UNDERRESOLVED STRUCTURES

#60
20120069326
2012-03-22

Interferometric methods for metrology of surfaces, films and underresolved structures

#61
20110299091
2011-12-08

Method and apparatus for performing optical imaging using frequency-domain interferometry

#62
20110216325
2011-09-08

Methods and apparatus for swept-source optical coherence tomography

#63
20110157596
2011-06-30

Systems and methods for endoscopic angle-resolved low coherence interferometry

#64
20110101207
2011-05-05

Methods and apparatus for swept-source optical coherence tomography

#65
20110032535
2011-02-10

Interferometer for determining overlay errors

#66
20100309477
2010-12-09

Method and apparatus for performing optical imaging using frequency-domain interferometry

#67
20100195112
2010-08-05

Interference microscope with scan motion detection using fringe motion in monitor patterns

#68
20100134786
2010-06-03

Interferometer with multiple modes of operation for determining characteristics of an object surface

#69
20090073456
2009-03-19

APPARATUSES, SYSTEMS, AND METHODS FOR LOW-COHERENCE INTERFEROMETRY (LCI)

#70
20090027689
2009-01-29

Method and apparatus for performing optical imaging using frequency-domain interferometry

#71
20090027686
2009-01-29

Optical heterodyne fourier transform interferometer

#72
20090021723
2009-01-22

Generating model signals for interferometry

#73
20090015844
2009-01-15

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#74
20080174784
2008-07-24

Apparatus and method for measuring characteristics of surface features

#75
20080165366
2008-07-10

Methods and apparatus for swept-source optical coherence tomography

#76
20080088849
2008-04-17

Interferometry for determining characteristics of an object surface, with spatially coherent illumination

#77
20070247637
2007-10-25

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#78
20070201033
2007-08-30

Methods and systems for performing angle-resolved fourier-domain optical coherence tomography

#79
20070081167
2007-04-12

Interferometry method for ellipsometry, reflectometry, and scatterometry measurements, including characterization of thin film structures

#80
20060244973
2006-11-02

Method and apparatus for performing optical imaging using frequency-domain interferometry

#81
20060158659
2006-07-20

Interferometer for determining characteristics of an object surface

#82
20060158658
2006-07-20

Interferometer with multiple modes of operation for determining characteristics of an object surface

#83
20060158657
2006-07-20

Interferometer for determining characteristics of an object surface, including processing and calibration

#84
20060061770
2006-03-23

Heterodyning time resolution boosting method and system

#85
13308110
2014-12-16

Apparatus and techniques for enhanced resolution imaging