G01B9/02056 - CPC Classification Index

ClassID:

164211 ⎘

G01B9/02056 - 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 Passive reduction of errors

Sub-classes:

G01B9/02057 » {by using common path configuration, i.e. reference and object path almost entirely overlapping} 306
G01B9/02058 » {by particular optical compensation or alignment elements, e.g. dispersion compensation} 110
G01B9/02059 » {Reducing effect of parasitic reflections, e.g. cyclic errors} 67
G01B9/02061 » {Reducing or preventing effect of tilt or misalignment, e.g. of object or reference mirror} 46

Recent Application in this class:

20260063413

2026-03-05

Swept source OCT system with multi spatial mode gain chip

20230213334

2023-07-06

Optical system using enhanced static fringe capture

20220120973

2022-04-21

Temperature-insensitive Mach-Zehnder interferometer

20220065613

2022-03-03

Laser interferometer having a vibrator to modulate light for displacement and vibration velocity measurement

20210199418

2021-07-01

Differential sinusoidal phase modulation laser interferometric nanometer displacement measuring apparatus and method

20210088320

2021-03-25

Laser interferometry systems and methods

20200056959

2020-02-20

Optical fiber distributed monitoring system and method

20200011651

2020-01-09

Telecentric and broadband achromatic objective lens systems

20190277621

2019-09-12

Optical measuring device

#10

20180143000

2018-05-24

Optical measurement device having a plurality of rotary shafts and displacement detectors for detecting axial displacement of each rotary shaft and using the detected axial displacement for three-dimensional image correction

#11

20170370698

2017-12-28

Measuring system and measuring method

#12

20170023350

2017-01-26

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

#13

20160273904

2016-09-22

Silicon based pressure and acceleration optical interferometric sensors with housing assembly

#14

20160209201

2016-07-21

Line-field imaging systems and methods incorporating planar waveguides

#15

20150377603

2015-12-31

Method for reducing interference from scattered light/reflected light of interference path by generating carrier through phase

#16

20150100279

2015-04-09

Processing data from a distributed fibre-optic interferometric sensor system

#17

20140160489

2014-06-12

Four-axis four-subdividing interferometer

#18

20140139924

2014-05-22

Optical module and production method for same

#19

20140125989

2014-05-08

Six-axis four-subdividing interferometer

#20

20140104687

2014-04-17

Production method for optical component and optical component

#21

20130321821

2013-12-05

Profile measuring instrument

#22

20130057872

2013-03-07

Device for determining distance interferometrically

#23

20120307255

2012-12-06

OPTICAL INTERFEROMETER SYSTEM WITH DAMPED VIBRATION AND NOISE EFFECT PROPERTY

#24

20120218558

2012-08-30

Apparatus and methods for optical coherence tomography and confocal microscopy

#25

20120133946

2012-05-31

Coaxial interferometer and inspection probe

#26

20120013908

2012-01-19

System and method for a virtual reference interferometer

#27

20110310378

2011-12-22

Interferometric measurement with crosstalk suppression

#28

20110181888

2011-07-28

High resolution extended depth of field optical coherence tomography

#29

20110170112

2011-07-14

High intensity Fabry-Perot sensor

#30

20110157595

2011-06-30

Rotary Interferometer

#31

20100128284

2010-05-27

Optical sensor for extreme environments

#32

20090079990

2009-03-26

Homodyne laser interferometer probe and displacement measurement system using the same

#33

20080297808

2008-12-04

Optical Sensor For Extreme Environments

#34

20070223005

2007-09-27

Polarising interferometer

#35

20070188767

2007-08-16

Optics system for an interferometer that uses a measuring mirror, a reference mirror and a beam deflector

#36

20070171426

2007-07-26

Low non-linear error displacement measuring interferometer

#37

20060290943

2006-12-28

High precision interferometer apparatus employing a grating beamsplitter

#38

20060250620

2006-11-09

Apparatus and method of in situ and ex situ measurement of spatial impulse response of an optical system using phase-shifting point-diffraction interferometry

#39

20060092429

2006-05-04

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#40

20060072204

2006-04-06

Catoptric and catadioptric imaging systems with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces

#41

20060066873

2006-03-30

Catoptric imaging systems comprising pellicle and/or aperture-array beam-splitters and non-adaptive and/or adaptive catoptric surfaces

#42

20050157310

2005-07-21

Method and apparatus for simultaneously measuring displacement and angular variations

#43

20050111007

2005-05-26

Catoptric and catadioptric imaging system with pellicle and aperture-array beam-splitters and non-adaptive and adaptive catoptric surfaces