ClassID:

164227

G01B9/02075 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers; Reduction or prevention of errors; Testing; Calibration of particular errors

Sub-classes:
Recent Application in this class:
#1
20250383193
2025-12-18

IMAGE-PLANE SELF-CALIBRATION IN INTERFEROMETRY USING CLOSED TRIAD IMAGING

#2
20250369745
2025-12-04

REDUNDANT CORE IN MULTICORE OPTICAL FIBER FOR SAFETY

#3
20250271252
2025-08-28

Optical coherence tomography instrument and optical coherence tomography method

#4
20250044073
2025-02-06

THIN FILM THICKNESS ADJUSTMENTS FOR THREE-DIMENSIONAL INTERFEROMETRIC MEASUREMENTS

#5
20240426594
2024-12-26

REFLECTIVE CO-AXIAL INTERFEROMETER SYSTEMS AND METHODS THEREOF

#6
20240418497
2024-12-19

Relative intensity noise Cat's-eye swept source laser for OCT and spectroscopy

#7
20240377184
2024-11-14

Systems and Methods for 1-Micron Frequency Comb Optical Coherence Tomography

#8
20240183650
2024-06-06

OPTICAL MEASUREMENT DEVICE

#9
20230160684
2023-05-25

Simultaneous phase-shift point diffraction interferometer and method for detecting wave aberration

#10
20230144331
2023-05-11

SYSTEMS AND METHODS FOR SEMICONDUCTOR CHIP SURFACE TOPOGRAPHY METROLOGY

#11
20220283294
2022-09-08

PHASE UNWRAPPING DEVICE AND PHASE UNWRAPPING METHOD

#12
20220221266
2022-07-14

OPTICAL INTERFERENCE MEASURING APPARATUS AND OPTICAL INTERFERENCE MEASURING METHOD

#13
20220146675
2022-05-12

Locking a self-homodyne mixed beat frequency to an external frequency in a LIDAR system

#14
20210310787
2021-10-07

Method and systems for the non-invasive optical characterization of a heterogeneous medium

#15
20210196126
2021-07-01

System, method, and computer-accessible medium for subsurface capillary flow imaging by wavelength-division-multiplexing swept-source optical doppler tomography

#16
20210102802
2021-04-08

Analysis apparatus, analysis method, and interference measurement system

#17
20210038074
2021-02-11

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

#18
20200271784
2020-08-27

Method for generating a linear chirp from a laser light source

#19
20200041248
2020-02-06

Systems for and methods of measuring photomask flatness with reduced gravity-induced error

#20
20190383596
2019-12-19

Length metrology apparatus and methods for suppressing phase noise-induced distance measurement errors

#21
20190170500
2019-06-06

Accurate chirped synthetic wavelength interferometer

#22
20190033057
2019-01-31

Interferometer measurement device and control method therefor

#23
20170343333
2017-11-30

Length metrology apparatus and methods for suppressing phase noise-induced distance measurement errors

#24
20170167845
2017-06-15

TEC module having laser diode as an interferometer laser beam source in a laser tracker

#25
20170082422
2017-03-23

Apparatus to reduce pressure and thermal sensitivity of high precision optical displacement sensors

#26
20170074639
2017-03-16

Method for resisting noise of co-phasing system of dispersed fringe sensor and optical system

#27
20170031101
2017-02-02

Field-programmable optical component

#28
20170023350
2017-01-26

High-speed optical coherence tomography using multiple interferometers with suppressed multiple scattering cross-talk

#29
20160320170
2016-11-03

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

#30
20160313112
2016-10-27

Optical coherence tomography using polarization information

#31
20160123720
2016-05-05

Length metrology apparatus and methods for suppressing phase noise-induced distance measurement errors

#32
20160123718
2016-05-05

Accurate chirped synthetic wavelength interferometer

#33
20160106312
2016-04-21

DATA PROCESSING METHOD AND OCT APPARATUS

#34
20160097632
2016-04-07

Tomographic image capturing apparatus and method with noise reduction technique

#35
20150342456
2015-12-03

Optical interference tomographic apparatus, and method for controlling optical interference tomographic apparatus

#36
20150233701
2015-08-20

Enhanced OCT Measurement and Imaging Apparatus and Method

#37
20150204651
2015-07-23

Detection of missampled interferograms in frequency domain OCT with a k-clock

#38
20150100279
2015-04-09

Processing data from a distributed fibre-optic interferometric sensor system

#39
20150094978
2015-04-02

Optical coherence tomography device

#40
20150092196
2015-04-02

Optical measurement apparatus for measuring a target using signal, reference, and control beams

#41
20150077755
2015-03-19

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

#42
20150049343
2015-02-19

Portable interferometric device

#43
20150009507
2015-01-08

Swept source optical coherence tomography and method for stabilizing phase thereof

#44
20140327917
2014-11-06

Method and apparatus for processing polarization data of polarization sensitive optical coherence tomography

#45
20130247589
2013-09-26

POSITION MEASURING SYSTEM AND METHOD

#46
20130242311
2013-09-19

White-light interferometric measuring device

#47
20120257214
2012-10-11

Optical displacement measurement device with optimization of the protective film

#48
20110299091
2011-12-08

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

#49
20100309477
2010-12-09

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

#50
20090027689
2009-01-29

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

#51
20080247066
2008-10-09

Method and apparatus for compensation of mechanical disturbances in optical interferometers

#52
20060244973
2006-11-02

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

#53
16352724
2020-09-15

Light source failure identification in an optical metrology device

#54
14494878
2018-01-02

Multi-mode frequency sweeping interferometer and method of using same