ClassID:

164169

G01B9/02007 - page 2 - CPC Classification

Classification description:

Instruments as specified in the subgroups and characterised by the use of optical measuring means; Interferometers characterised by controlling or generating intrinsic radiation properties Two or more frequencies or sources used for interferometric measurement

Recent Application in this class:
#301
20070109552
2007-05-17

Optical interferometer

#302
20070103694
2007-05-10

INTERFEROMETRY SYSTEM

#303
20070086016
2007-04-19

Interferometer using integrated retarders to reduce physical volume

#304
20070024869
2007-02-01

Diffraction grating based interferometric systems and methods

#305
20070024867
2007-02-01

Statistical method of generating a synthetic hologram from measured data

#306
20070024863
2007-02-01

Absolute position measurement apparatus

#307
20070024862
2007-02-01

Absolute position measurement apparatus

#308
20070024860
2007-02-01

Dual laser high precision interferometer

#309
20070024859
2007-02-01

Method for determining the refractive index during interferometric length measurement and interferometric arrangement therefor

#310
20070024856
2007-02-01

Optical coherence imaging systems having a reduced effective linewidth and methods of using the same

#311
20070008547
2007-01-11

Cyclic error compensation in interferometry systems

#312
20070004026
2007-01-04

Electronically modulated dynamic optical phantoms for biomedical imaging

#313
20060279741
2006-12-14

Optical characteristic measuring apparatus

#314
20060262315
2006-11-23

Position-measuring device for determining the position of two objects movable with respect to each other along a measuring direction, and method for forming a reference pulse for such a position-measuring device

#315
20060227340
2006-10-12

Position sensing apparatus, and position sensing method

#316
20060206102
2006-09-14

Integrated scanning and ocular tomography system and method

#317
20060187464
2006-08-24

Interferometry systems and methods of using interferometry systems

#318
20060181714
2006-08-17

Method for processing multiwavelength interferometric imaging data

#319
20060146339
2006-07-06

Optical tomographic apparatus

#320
20060132792
2006-06-22

Fiber optic sensor

#321
20060132790
2006-06-22

Optical coherence tomography with 3d coherence scanning

#322
20060119857
2006-06-08

Method and apparatus for monitoring an interferometer

#323
20060103850
2006-05-18

Single trace multi-channel low coherence interferometric sensor

#324
20060098205
2006-05-11

Optical connection for interferometry

#325
20060092429
2006-05-04

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

#326
20060087659
2006-04-27

Low walk-off interferometer

#327
20060077395
2006-04-13

Optical image measuring apparatus and optical image measuring method

#328
20060072204
2006-04-06

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

#329
20060072118
2006-04-06

Optical image measuring apparatus

#330
20060061771
2006-03-23

Compensation for effects of beam misalignments in interferometer metrology systems

#331
20060058682
2006-03-16

Method and apparatus for improving both lateral and axial resolution in ophthalmoscopy

#332
20060001887
2006-01-05

Interferometric optical assemblies and systems including interferometric optical assemblies

#333
20050270542
2005-12-08

Direct combination of fiber optic light beams

#334
20050264826
2005-12-01

Diffraction grating based interferometric systems and methods

#335
20050264822
2005-12-01

Differential interferometer with improved cyclic nonlinearity

#336
20050244096
2005-11-03

Interferometric signal conditioner for measurement of absolute static displacements and dynamic displacements of a Fabry-Perot interferometer

#337
20050237538
2005-10-27

Optical MEMS cavity having a wide scanning range for measuring a sensing interferometer

#338
20050237535
2005-10-27

Vibration resistant interferometry

#339
20050237534
2005-10-27

Vibration resistant interferometry

#340
20050231730
2005-10-20

Interferometric signal conditioner for measurement of the absolute length of gaps in a fiber optic Fabry-Perot interferometer

#341
20050231728
2005-10-20

Q-point stabilization for linear interferometric sensors using tunable diffraction grating

#342
20050225772
2005-10-13

Interferometric servo control system for stage metrology

#343
20050219544
2005-10-06

Optical image measuring apparatus

#344
20050206906
2005-09-22

Optical image measuring apparatus for forming an image of an object to be measured based on interference light

#345
20050185192
2005-08-25

Method of full-color optical coherence tomography

#346
20050185190
2005-08-25

Active control of two orthogonal polarizations for heterodyne beam delivery

#347
20050168755
2005-08-04

Spatial filtering in interferometry

#348
20050166118
2005-07-28

Cyclic error compensation in interferometry systems

#349
20050111007
2005-05-26

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

#350
20050105097
2005-05-19

Systems and methods for phase measurements

#351
20050088660
2005-04-28

Downhole optical sensor system with reference

#352
20050083537
2005-04-21

Reconfigurable interferometer system

#353
20050057756
2005-03-17

Systems and methods for phase measurements

#354
20050036150
2005-02-17

Method for optical coherence tomography imaging with molecular contrast

#355
20050030549
2005-02-10

Spatial filtering in interferometry

#356
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

#357
20050008322
2005-01-13

Direct combination of fiber optic light beams

#358
20050008298
2005-01-13

Manipulators for fiber optic cable assemblies

#359
20050007601
2005-01-13

Optical characterization of surfaces and plates

#360
19050210
2025-08-19

Littrow grating interferometry device and use thereof

#361
18896369
2025-03-04

Bidirectional Littrow two-degree-of-freedom grating interference measurement device based on double gratings

#362
18595318
2025-04-29

Heterodyne laser interferometer based on integrated dual polarization beam-splitting assembly and measurement method thereof

#363
16936294
2021-12-07

Dynamic optical interferometer locking using entangled photons

#364
16287613
2020-07-07

Multi-beam laser coordinate measuring system

#365
16264710
2022-06-07

Interferometry with pixelated color discriminating elements combined with pixelated polarization masks

#366
15959006
2020-10-27

Wavelength shifting in spectrally-controlled interferometry

#367
15017829
2017-06-06

Modulated laser for atom interferometers

#368
14541609
2018-05-08

Narrow bandwidth detection of vibration signature using fiber lasers

#369
13283330
2015-02-03

Method for compensating for wafer shape measurement variation due to variation of environment temperature