ClassID:

167130

G01M11/336 - 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 being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face by measuring polarization mode dispersion [PMD]

Recent Application in this class:
#1
20250003831
2025-01-02

APPARATUS AND METHOD FOR MEASURING THE DELAY TIME DIFFERENCE BETWEEN PROPAGATION MODES

#2
20210239568
2021-08-05

Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing

#3
20200408637
2020-12-31

Measuring polarization extinction ratio (PER) using a reference master test jumper (MTJ)

#4
20200378864
2020-12-03

Monitorable hollow core optical fiber

#5
20200132551
2020-04-30

Optical characteristic evaluation method and optical characteristic evaluation system

#6
20200096416
2020-03-26

Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing

#7
20190170610
2019-06-06

Method and system for multi-fiber cable testing

#8
20180283985
2018-10-04

Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing

#9
20180241468
2018-08-23

Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cables

#10
20160161397
2016-06-09

Determining a polarization-related characteristic of an optical link

#11
20140029938
2014-01-30

Optical transmission system and method for monitoring polarization dependent characteristics of optical transmission line

#12
20130201473
2013-08-08

Polarization mode dispersion measurement by observation of data-bearing signals

#13
20120084057
2012-04-05

Methods and systems for predicting an optical fiber performance parameter

#14
20110051126
2011-03-03

Method for increasing accuracy of measurement of mean polarization mode dispersion

#15
20100239245
2010-09-23

Polarization Mode Emulators and Polarization Mode Dispersion Compensators Based on Optical Polarization Rotators with Discrete Polarization States

#16
20100134788
2010-06-03

Method for increasing accuracy of measurement of mean polarization mode dispersion

#17
20100128257
2010-05-27

Method for measuring polarization characteristics of optical fiber, drawing method, method for identifying abnormal point, and method for configuring optical fiber transmission line

#18
20100123896
2010-05-20

Method and apparatus for measuring the birefringence autocorrelation length in optical fibers

#19
20100073667
2010-03-25

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

#20
20090317079
2009-12-24

Dispersion determining apparatus and automatic dispersion compensating system using the same

#21
20090268198
2009-10-29

Polarization mode dispersion measurement using an improved fixed analyzer method

#22
20090147244
2009-06-11

Method and apparatus for measuring the birefringence autocorrelation length in optical fibers

#23
20090135408
2009-05-28

Method for reducing the uncertainty of the measured average PMD of a long fiber

#24
20090109437
2009-04-30

Method and device for measuring polarization state and polarization mode dispersion in photonic transmission systems

#25
20090066937
2009-03-12

Method of measuring the differential group delay of an optical fiber connection

#26
20090046747
2009-02-19

External Cavity for Generating a Stimulus Signal and Filtering a Response Signal Received From a Dut

#27
20080297768
2008-12-04

Polarization Mode Dispersion Analyzer

#28
20080151232
2008-06-26

Methods and systems for controlling fiber polarization mode dispersion (PMD)

#29
20080079941
2008-04-03

Differential Geomety-Based Method and Apparatus for Measuring Polarization Mode Dispersion Vectors in Optical Fibers

#30
20080068607
2008-03-20

Measuring polarization mode dispersion

#31
20080007719
2008-01-10

Method for Increasing Accuracy of Measurement of Mean Polarization Mode Dispersion

#32
20070201810
2007-08-30

Methods and systems for controlling fiber polarization mode dispersion (PMD)

#33
20070189656
2007-08-16

Method and apparatus for the evaluation of polarization mode dispersion in optical fibers

#34
20070159638
2007-07-12

Optical signal measurement system

#35
20070064221
2007-03-22

Apparatus and method for measuring an optical characteristic without adverse effects of a deviation of a polarized component

#36
20070058158
2007-03-15

Measurement and characterization of nonlinear phase shifts

#37
20070031147
2007-02-08

Processes and devices for the determination of a PMD-induced outage probability of an optical transmission system

#38
20060181696
2006-08-17

Methods and apparatus for automation of the testing and measurement of optical fiber

#39
20060164652
2006-07-27

Method and apparatus for measuring polarization mode dispersion

#40
20060114471
2006-06-01

Interferometric optical analyzer and method for measuring the linear response of an optical component

#41
20060098989
2006-05-11

SYSTEM FOR MINIMIZING OR COMPENSATING PMD-INDUCED DISTORTION IN OPTICAL TRANSMISSION SYSTEMS AND TRANSMISSION FIBRES IN PARTICULAR

#42
20060038981
2006-02-23

Determination of polarization dependent properties

#43
20060023224
2006-02-02

Method and apparatus for measuring the polarization mode dispersion of an optical fiber

#44
20050225746
2005-10-13

Device method and program for measuring polarization mode dispersion and recording medium recording the program

#45
20050174577
2005-08-11

Heterodyne optical network analysis that utilizes signal modulation

#46
20050174564
2005-08-11

Methods and systems for controlling fiber polarization mode dispersion (PMD)

#47
20050140965
2005-06-30

Method for increasing accuracy of measurement of mean polarization mode dispersion

#48
20050052638
2005-03-10

Polarization mode dispersion measuring device, method, recording medium

#49
20050030522
2005-02-10

Characterization of active and passive optical properties of an optical device