ClassID:

164246

G01B9/02097 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers Self-interferometers

Sub-classes:
Recent Application in this class:
#1
20260078999
2026-03-19

OPTICAL MEASUREMENT DEVICE AND METHOD

#2
20250297849
2025-09-25

SEMICONDUCTOR MEASUREMENT DEVICE

#3
20240369345
2024-11-07

METHOD, INTERFEROMETER AND SIGNAL PROCESSING DEVICE, EACH FOR DETERMINING AN INPUT PHASE AND/OR AN INPUT AMPLITUDE OF AN INPUT LIGHT FIELD

#4
20240230314
2024-07-11

SEMICONDUCTOR MEASUREMENT APPARATUS

#5
20240133673
2024-04-25

SEMICONDUCTOR MEASUREMENT APPARATUS

#6
20240115128
2024-04-11

FREQUENCY-DOMAIN INTERFEROMETRIC BASED IMAGING SYSTEMS AND METHODS

#7
20240060766
2024-02-22

Self-mixing inteferometry sensor module, electronic device and method of determining an optical power ratio for a self-mixing inteferometry sensor module

#8
20230349811
2023-11-02

Method for determining a focal length of a particle in a medium

#9
20230152081
2023-05-18

Self-Mixing Interference Device for Sensing Applications

#10
20230073039
2023-03-09

Finger devices with self-mixing interferometric proximity sensors

#11
20230064721
2023-03-02

SCANNING SELF-MIXING INTERFEROMETRY WITH WAVEGUIDE

#12
20220244036
2022-08-04

Scanning self-mixing interferometry system and sensor

#13
20220221802
2022-07-14

Self-referencing interferometer and dual self-referencing interferometer devices

#14
20220099436
2022-03-31

Surface quality sensing using self-mixing interferometry

#15
20220091032
2022-03-24

Two-Dimensional Second Harmonic Dispersion Interferometer

#16
20220034645
2022-02-03

METHOD, INTERFEROMETER AND SIGNAL DEVICE, EACH FOR DETERMINING AN INPUT PHASE AND/OR AN INPUT AMPLITUDE OF AN INPUT LIGHT FIELD

#17
20220018649
2022-01-20

Methods and systems of holographic interferometry

#18
20210199575
2021-07-01

Two-dimensional second harmonic dispersion interferometer

#19
20210007601
2021-01-14

Frequency-domain interferometric based imaging systems and methods

#20
20210003385
2021-01-07

Self-mixing interference device for sensing applications

#21
20190219378
2019-07-18

Method for determining a phase of an input beam bundle

#22
20190145831
2019-05-16

Three-dimensional interferometer and method for determining a phase of an electric field

#23
20190049866
2019-02-14

Position sensing arrangement and lithographic apparatus including such an arrangement, position sensing method and device manufacturing method

#24
20180348703
2018-12-06

Methods and systems of holographic interferometry

#25
20180164506
2018-06-14

Interferometer based on a tilted MMI

#26
20180143010
2018-05-24

Rotation angle measuring system and machining system comprising the same

#27
20180128592
2018-05-10

Integrated fourier transform optical spectrometer

#28
20170268866
2017-09-21

Three-dimensional interferometer, method for calibrating such an interferometer and method for reconstructing an image

#29
20170191820
2017-07-06

Two-channel point-diffraction interferometer

#30
20170153434
2017-06-01

Portable interferometric device

#31
20170115110
2017-04-27

Compact portable double differential fiber optic Sagnac interferometer

#32
20170105618
2017-04-20

Frequency-domain interferometric based imaging systems and methods

#33
20170059301
2017-03-02

System and method for a self-referencing interferometer

#34
20170045349
2017-02-16

POLARIZATION-SENSITIVE SPECTRAL INTERFEROMETRY

#35
20160305761
2016-10-20

System and a method for quantitative sample imaging using off-axis interferometry with extended field of view or faster frame rate

#36
20160109216
2016-04-21

Optical position measuring device for generating wavelength-dependent scanning signals

#37
20160091372
2016-03-31

Method for detecting focal plane based on grating talbot effect

#38
20160061587
2016-03-03

Device for interferential distance measurement

#39
20160054112
2016-02-25

Methods for 3-dimensional interferometric microscopy

#40
20150168214
2015-06-18

Wavelength-encoded tomography

#41
20150049343
2015-02-19

Portable interferometric device

#42
20140374575
2014-12-25

Spatial frequency reproducing apparatus and optical distance measuring apparatus

#43
20140293015
2014-10-02

Method of 3-dimensional imaging of activated samples

#44
20140139842
2014-05-22

System and method for a self-referencing interferometer

#45
20120136259
2012-05-31

Polarization-sensitive spectral interferometry

#46
20120038927
2012-02-16

Light reflection mechanism, optical interferometer and spectrometric analyzer

#47
20120013908
2012-01-19

System and method for a virtual reference interferometer

#48
20110170200
2011-07-14

Optical interfering apparatus

#49
20110157552
2011-06-30

SS OCT interferometry for measuring a sample

#50
20110141451
2011-06-16

Displacement measurement device, exposure apparatus, and working device

#51
20110109913
2011-05-12

Short coherence interferometry for measuring distances

#52
20110096336
2011-04-28

Apparatus and method for measuring displacement

#53
20100312394
2010-12-09

Force sensor and industrial robot including the same

#54
20100302550
2010-12-02

DEVICE AND METHOD FOR THE OPTICAL MEASUREMENT OF RELATIVE DISTANCES

#55
20100280321
2010-11-04

Self-interfering tomography system

#56
20100271636
2010-10-28

Talbot interferometer, its adjustment method, and measurement method

#57
20100231922
2010-09-16

Three-dimensional interferometric microscopy

#58
20080291463
2008-11-27

Polarization-sensitive spectral interferometry

#59
20080158551
2008-07-03

Systems and methods for 3-dimensional interferometric microscopy

#60
20070236699
2007-10-11

Optical tomography method & device

#61
20070024854
2007-02-01

Heterodyne array detector

#62
20070008550
2007-01-11

Systems and methods for tilt and range measurement

#63
20060119861
2006-06-08

Method for measuring contour variations

#64
20050046863
2005-03-03

Common optical-path testing of high-numerical-aperture wavefronts

#65
19073498
2025-11-11

Self-referencing interferometric microscope

#66
15371933
2018-01-16

Interferometer based on a tilted MMI

#67
15330822
2019-10-08

High speed Michelson interferometer microscope