ClassID:

167131

G01M11/337 - 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 dependent loss [PDL]

Recent Application in this class:
#1
20260016372
2026-01-15

POLARITY, INSERTION LOSS AND RETURN LOSS TESTER FOR MULTI-CORE OPTICAL FIBER

#2
20250207998
2025-06-26

ON-SILICON INTEGRATED TEST STRUCTURE FOR THE CHARACTERIZATION OF THE PDL OF A FIBER/SILICON OPTICAL COUPLER WITH A TWO-DIMENSIONAL DIFFRACTION GRATING

#3
20240007187
2024-01-04

RECEIVER-BASED FIBER-OPTIC LINK MONITOR

#4
20220390322
2022-12-08

Techniques for providing a swept wavelength (SW) measurement for acquiring polarization dependent loss (PDL) in a single scan

#5
20220034750
2022-02-03

HYBRID AUTOMATED TESTING EQUIPMENT FOR TESTING OF OPTICAL-ELECTRICAL DEVICES

#6
20210356359
2021-11-18

Polarization dependent loss measurement

#7
20200408637
2020-12-31

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

#8
20200378864
2020-12-03

Monitorable hollow core optical fiber

#9
20190280457
2019-09-12

Referencing insertion loss using back-facet monitor from lasers

#10
20180266918
2018-09-20

Optical connector polarity and loss measurement using an integrating sphere-equipped optical measurement device

#11
20180202895
2018-07-19

Mode-dependent loss measurement method and measurement device

#12
20140218733
2014-08-07

In-line arrangement for measuring polarization extinction ratio

#13
20140029938
2014-01-30

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

#14
20130229648
2013-09-05

Testing of passive optical components

#15
20110116080
2011-05-19

Method of measuring optical loss and apparatus for measuring optical loss

#16
20110096328
2011-04-28

Multi-Signal Determination of Polarization Dependent Characteristic

#17
20090310207
2009-12-17

Polarization Controller with Minimum Wavelength Dependency

#18
20090213453
2009-08-27

Measurements of polarization-dependent loss (PDL) and degree of polarization (DOP) using optical polarization controllers

#19
20090141274
2009-06-04

Polarization Dependent Loss Analyzer

#20
20090046747
2009-02-19

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

#21
20090033944
2009-02-05

Coded polarization-dependent interferometry

#22
20080007718
2008-01-10

Polarization diversity detection without a polarizing beam splitter

#23
20070242270
2007-10-18

Determining mode spectra for principal states of polarization

#24
20070146721
2007-06-28

System and method for measurement of optical parameters and characterization of multiport optical devices

#25
20070002321
2007-01-04

Method and system for determining a polarization dependent characteristics of optical and opto-electrical devices

#26
20060238770
2006-10-26

Elementary matrix based optical signal/network analyzer

#27
20060164627
2006-07-27

Polarization diversity detection without a polarizing beam splitter

#28
20060115199
2006-06-01

Measurements of polarization-dependent loss (PDL) and degree of polarization (DOP) using optical polarization controllers

#29
20060114471
2006-06-01

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

#30
20060038981
2006-02-23

Determination of polarization dependent properties

#31
20050174577
2005-08-11

Heterodyne optical network analysis that utilizes signal modulation

#32
20050174562
2005-08-11

Determining measuring uncertainty or error of a PDL-tester

#33
20050030522
2005-02-10

Characterization of active and passive optical properties of an optical device