G01J2009/0253 - CPC Classification Index

ClassID:

166299 ⎘

G01J2009/0253 - CPC Classification

Classification description:

Measuring optical phase difference ; Determining degree of coherence; Measuring optical wavelength by interferometric methods with modulation of wavelength

Recent Application in this class:

20250347565

2025-11-13

SYSTEM AND METHOD FOR MEASURING INSTANTANEOUS FREQUENCY OF A LIGHT SIGNAL

20220326086

2022-10-13

Interferometer with at least one dispersive element

20220276098

2022-09-01

Laser interferometer

20210148764

2021-05-20

Coherent light detection system and method

20200249095

2020-08-06

System for Measuring Optical Phase of a Specimen Using Defocused Images Thereof

20190285481

2019-09-19

Method and device for analysing an electromagnetic wave in high definition

20180306575

2018-10-25

Radius-of-curvature measurement by spectrally-controlled interferometry

20180066932

2018-03-08

Closed-loop interferometric sensor using loop gain for determining interference contrast

20150204728

2015-07-23

Spatial-domain low-coherence quantitative phase microscopy

#10

15959579

2019-09-24

Optical alignment based on spectrally-controlled interferometry

#11

15959006

2020-10-27

Wavelength shifting in spectrally-controlled interferometry