ClassID:

164191

G01B9/02032 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by the beam path configuration generating a spatial carrier frequency, e.g. by creating lateral or angular offset between reference and object beam

Recent Application in this class:
#1
20240361253
2024-10-31

OPTICAL PHASE MEASUREMENT METHOD AND SYSTEM

#2
20240167806
2024-05-23

PUPIL IMAGE MEASURING DEVICE AND METHOD

#3
20240115128
2024-04-11

FREQUENCY-DOMAIN INTERFEROMETRIC BASED IMAGING SYSTEMS AND METHODS

#4
20240003672
2024-01-04

SINGLE FRAME-TILTED WAVE INTERFEROMETER

#5
20220397392
2022-12-15

Device and method for imaging and interferometry measurements

#6
20220349699
2022-11-03

Surface shape measurement device and surface shape measurement method

#7
20220307815
2022-09-29

System for spatial multiplexing

#8
20210364451
2021-11-25

OPTICAL PHASE MEASUREMENT METHOD AND SYSTEM

#9
20210172721
2021-06-10

Method and system for determining the separation distance between a body and the surface of an object by means of low coherence optical interferometry techniques under distortion due to sub-sampling

#10
20210038074
2021-02-11

Full-field OCT method and system for generating an imaging of an ocular fundus

#11
20210007601
2021-01-14

Frequency-domain interferometric based imaging systems and methods

#12
20200408505
2020-12-31

Arrangement and method for robust single-shot interferometry

#13
20200393236
2020-12-17

Method for generating a two-dimensional interferogram using a michelson-type open-beam interferometer

#14
20200141715
2020-05-07

Methods and systems of holographic interferometry

#15
20190234729
2019-08-01

System and method for a displacement measurement

#16
20190226829
2019-07-25

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

#17
20190154594
2019-05-23

Optical phase measurement method and system

#18
20190086192
2019-03-21

Optical delay line for coherence imaging

#19
20190011247
2019-01-10

Method for phase resolved heterodyne shearographic measurements

#20
20180348703
2018-12-06

Methods and systems of holographic interferometry

#21
20180328711
2018-11-15

Interferometer using tilted object waves and comprising a Fizeau interferometer objective

#22
20180235461
2018-08-23

Method and device for exposing at least one sectional face inside a light scattering object

#23
20180224266
2018-08-09

Method and apparatus for phase resolved heterodyne shearographic measurements

#24
20180168445
2018-06-21

Systems and methods for wide field-of-view optical coherence tomography

#25
20180128591
2018-05-10

Noise reduction techniques, fractional bi-spectrum and fractional cross-correlation, and applications

#26
20180106591
2018-04-19

Interferometric measuring arrangement

#27
20180024008
2018-01-25

Optical system phase acquisition method and optical system evaluation method

#28
20180003484
2018-01-04

System and method for a displacement measurement

#29
20170363415
2017-12-21

Multichannel optical receivers

#30
20170261308
2017-09-14

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

#31
20170105618
2017-04-20

Frequency-domain interferometric based imaging systems and methods

#32
20170016835
2017-01-19

Optical phase measurement method and system

#33
20160061725
2016-03-03

Device for optical coherence tomography

#34
20150241210
2015-08-27

Metrology method

#35
20150168125
2015-06-18

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

#36
20150077760
2015-03-19

Robust one-shot interferometer

#37
20150062592
2015-03-05

Method and apparatus for motility contrast imaging

#38
20150055139
2015-02-26

In situ calibration of interferometers

#39
20150049343
2015-02-19

Portable interferometric device

#40
20140320865
2014-10-30

Apparatus for detecting a 3D structure of an object

#41
20140268162
2014-09-18

Lensless imaging with reduced aperture

#42
20130229664
2013-09-05

Measurement apparatus for measuring shape of test object and measurement method

#43
20130063730
2013-03-14

In situ calibration of interferometers

#44
20130057935
2013-03-07

Apparatus for the exact reconstruction of the object wave in off-axis digital holography

#45
20130003152
2013-01-03

INTERFEROMETRY-BASED STRESS ANALYSIS

#46
20120307258
2012-12-06

Method and arrangement for robust interferometry for detecting a feature of an object

#47
20120307035
2012-12-06

Single shot full-field reflection phase microscopy

#48
20120242999
2012-09-27

Interferometric quasi-autocollimator

#49
20120120485
2012-05-17

INTERFERENCE MICROSCOPE AND MEASURING APPARATUS

#50
20120105861
2012-05-03

DEVICE AND METHOD FOR DETERMINING OPTICAL PATH LENGTHS

#51
20110299064
2011-12-08

Deformation measuring apparatus and deformation measuring method

#52
20110255093
2011-10-20

Interferometric system with spatial carrier frequency capable of imaging in polychromatic radiation

#53
20100331672
2010-12-30

Method and apparatus for motility contrast imaging

#54
20100309485
2010-12-09

Arrangement and method for measuring relative movement

#55
20100277743
2010-11-04

PHOTOREFRACTIVE INTERFEROMETER

#56
20100094576
2010-04-15

Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

#57
20090219541
2009-09-03

Lensless imaging with reduced aperture

#58
20090027688
2009-01-29

Multi-channel laser interferometric method and apparatus for detection of ultrasonic motion from a surface

#59
20090009771
2009-01-08

Diffraction grating based interferometric systems and methods

#60
20090002789
2009-01-01

Interferometer

#61
20080170225
2008-07-17

Apparatus and method for ranging and noise reduction of low coherence interferometry (LCI) and optical coherence tomography (OCT) signals by parallel detection of spectral bands

#62
20080152353
2008-06-26

Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

#63
20080100837
2008-05-01

Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

#64
20080097709
2008-04-24

Apparatus and method for rangings and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

#65
20080062433
2008-03-13

Measuring apparatus sensitive to rotational but not translational or vibrational movement

#66
20080024865
2008-01-31

Interferometric device

#67
20070024869
2007-02-01

Diffraction grating based interferometric systems and methods

#68
20070008550
2007-01-11

Systems and methods for tilt and range measurement

#69
20060187465
2006-08-24

Interferometry systems and methods using spatial carrier fringes

#70
20060154156
2006-07-13

Lensless imaging with reduced aperture

#71
20060146336
2006-07-06

Interferometer arrangement and interferometric measuring method

#72
20060061768
2006-03-23

Low-coherence interferometry optical sensor using a single wedge polarization readout interferometer

#73
20050274894
2005-12-15

Tomography imaging apparatus

#74
20050264826
2005-12-01

Diffraction grating based interferometric systems and methods

#75
20050200856
2005-09-15

Interferometry systems and methods

#76
20050177339
2005-08-11

Precision surface measurement

#77
20050018201
2005-01-27

Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands

#78
17458024
2025-10-14

Phase compensation method for digital holography systems