ClassID:

167120

G01M11/3163 - CPC Classification

Classification description:

Testing of optical apparatus; Testing structures by optical methods not otherwise provided for; Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers; Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR by measuring dispersion

Recent Application in this class:
#1
20260029278
2026-01-29

DISPERSION MEASURING DEVICE, PULSE LIGHT SOURCE, DISPERSION MEASURING METHOD, AND DISPERSION COMPENSATING METHOD

#2
20250035510
2025-01-30

METHOD AND APPARATUS OF SINGLE-ENDED POLARIZATION MODE DISPERSION MEASUREMENT

#3
20240003744
2024-01-04

DISPERSION MEASURING DEVICE, PULSE LIGHT SOURCE, DISPERSION MEASURING METHOD, AND DISPERSION COMPENSATING METHOD

#4
20220299401
2022-09-22

Fiber optic test methods, fiber optic test equipment, and programs

#5
20220178752
2022-06-09

Dispersion measuring device, pulse light source, dispersion measuring method, and dispersion compensating method

#6
20210211193
2021-07-08

Optical fiber characterization measurement systems and methods

#7
20180359025
2018-12-13

Method for selecting wide-band multimode fibers from a single wavelength characterization

#8
20160161397
2016-06-09

Determining a polarization-related characteristic of an optical link

#9
20140226151
2014-08-14

Method of measuring multi-mode fiber optical properties during processing of the fiber

#10
20110158655
2011-06-30

Dispersion measurement of optical fibres during operation

#11
20100296102
2010-11-25

System and method to determine chromatic dispersion in short lengths of waveguides using a 3-wave interference pattern and a single-arm interferometer

#12
20100073667
2010-03-25

Method and Apparatus for Determining Differential Group Delay and Polarization Mode Dispersion

#13
20090231591
2009-09-17

Method, apparatus, and program for measuring wavelength dispersion of optical waveguide

#14
20090097036
2009-04-16

System and method to determine chromatic dispersion in short lengths of waveguides using a common path interferometer

#15
20060244949
2006-11-02

Method of estimating and measuring longitudinal dispersion in optical fibers

#16
20050179889
2005-08-18

Apparatus and method for measuring chromatic dispersion by variable wavelength

#17
20050094936
2005-05-05

Wavelength dispersion probing system