ClassID:

167134

G01M11/37 - 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 in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof

Recent Application in this class:
#1
20260063509
2026-03-05

INSPECTION METHOD FOR OPTICAL FIBER RIBBON, INSPECTION DEVICE FOR OPTICAL FIBER RIBBON, AND MANUFACTURING METHOD FOR OPTICAL FIBER RIBBON

#2
20260043966
2026-02-12

OPTICAL MONITOR DEVICE, AND OPTICAL POWER AND WAVELENGTH MEASUREMENT METHOD

#3
20260043710
2026-02-12

CORE ELEMENT IDENTIFICATION FOR HETEROGENEOUS MULTICORE OPTICAL FIBERS

#4
20250086358
2025-03-13

OPTICAL CRITICAL DIMENSION METROLOGY AIDED BY DEEP LEARNING

#5
20250085193
2025-03-13

METHOD AND APPARATUS FOR SILICON PHOTONICS TESTING

#6
20250044191
2025-02-06

METHOD FOR DETERMINING DISTRIBUTED BIREFRINGENCE VARIATIONS IN A POLARIZATION- MAINTAINING OPTICAL FIBER

#7
20240369479
2024-11-07

ULTRA LOW-NA REFRACTIVE INDEX PROFILING SYSTEM AND METHOD FOR FILTERING OUT SEVERELY DISTURBING DIFFRACTION EFFECTS

#8
20240280776
2024-08-22

Techniques for azimuthally aligning a cross-section of an anti-resonant hollow core fiber when winding such fiber into a coil

#9
20240230464
2024-07-11

OPTICAL MONITOR DEVICE

#10
20230408773
2023-12-21

Method for estimating orientation of optical fiber and method for manufacturing optical-fiber component

#11
20220299696
2022-09-22

Systems And Methods Of Side Illumination Of Waveguides

#12
20210372881
2021-12-02

Systems, methods and apparatuses for launching laser beams into multiple fibers and/or combining beams

#13
20210215473
2021-07-15

Method of measuring optical fiber preform

#14
20210116367
2021-04-22

Measurement technique for refractive index inhomogeneity between plates of a lightguide optical element (LOE)

#15
20200200968
2020-06-25

Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

#16
20200141833
2020-05-07

Optical fiber termination using a reference source

#17
20190317293
2019-10-17

Devices, systems, and methods for flexible, deployable structure with optical fiber

#18
20190316988
2019-10-17

Method and apparatus for nondestructive determination of core size of hollow-core photonic bandgap fiber using Fabry-Perot interference

#19
20190128776
2019-05-02

Optical fiber termination using a reference source

#20
20190064432
2019-02-28

Method of making a distributed optical fiber sensor having enhanced Rayleigh scattering and enhanced temperature stability, and monitoring systems employing same

#21
20190025156
2019-01-24

Method and apparatus for inspecting intermittent connection type optical fiber ribbon and method for manufacturing intermittent connection type optical fiber ribbon

#22
20180350061
2018-12-06

Apparatus and Method for Terminating and Testing Connectors

#23
20180113052
2018-04-26

Method for determining the refractive index profile of a cylindrical optical object, particularly a preform for an optical fiber

#24
20180100812
2018-04-12

Inspection system and inspection method

#25
20170269322
2017-09-21

Multicore optical fibers and methods of manufacturing the same

#26
20170268977
2017-09-21

Spectrophotometer based on optical caustics

#27
20170234769
2017-08-17

Methods and apparatus for determining geometric properties of optical fiber preforms

#28
20170160167
2017-06-08

Optical power monitor device and optical power monitor method

#29
20170084050
2017-03-23

Apparatus and method for measurement of transparent cylindrical articles

#30
20170082535
2017-03-23

Methods and devices for measuring properties of coatings on optical fibers

#31
20160377818
2016-12-29

Alignment system and method for calibrating position of optical fiber bore ferrule

#32
20160298952
2016-10-13

Parameter measurement of phase objects using tomographic imaging

#33
20160187608
2016-06-30

Optical fiber that provides an indication that breakage is imminent, and method of manufacturing such as fiber

#34
20160139062
2016-05-19

Method for detecting defects in a rod-shaped transparent object

#35
20160123873
2016-05-05

High precision measurement of refractive index profile of cylindrical glass bodies

#36
20150292981
2015-10-15

SHG imaging technique for assessing hybrid EO polymer/silicon photonic integrated circuits

#37
20150253185
2015-09-10

Measuring parallelism in lightguide surfaces

#38
20150214122
2015-07-30

Wafer-scale testing of photonic integrated circuits using horizontal spot-size converters

#39
20150070688
2015-03-12

Systems and methods for inspecting wound optical fiber

#40
20150009320
2015-01-08

Visually inspecting optical fibers

#41
20140368811
2014-12-18

Parameter measurement of phase objects using tomographic imaging

#42
20140211198
2014-07-31

Method of fabricating surface nanoscale axial photonic devices

#43
20130182243
2013-07-18

System and method for measuring an optical fiber

#44
20120213474
2012-08-23

Fiber-based photonic microdevices with sub-wavelength scale variations in fiber radius

#45
20110277510
2011-11-17

Apparatus and method for thermal connection of optical waveguides

#46
20110265520
2011-11-03

Methods For Determining The Rotational Characteristics Of An Optical Fiber

#47
20110132037
2011-06-09

HOLE DIAMETER MEASURING METHOD AND DEVICE FOR HOLEY OPTICAL FIBER, AND MANUFACTURING METHOD AND DEVICE FOR HOLEY OPTICAL FIBER

#48
20110122401
2011-05-26

Method and Apparatus For Verifying the Termination Quality of an Optical Fiber Interface in a Fiber Optic Cable Connector

#49
20090274423
2009-11-05

Apparatus and method for thermal connection of optical waveguides

#50
20090180103
2009-07-16

Apparatus for measuring residual stress of optical fiber

#51
20090135305
2009-05-28

Video System for a Splicing Device and Method for Operating a Video System for a Splicing Device

#52
20080260379
2008-10-23

Transceiver optical subassembly

#53
20080217520
2008-09-11

Optical Apparatus with Light Sensing

#54
20080192239
2008-08-14

Measurement method of non-circularity of core optical fiber base material and apparatus therefor

#55
20080049216
2008-02-28

Method and apparatus for examining end faces of light guides

#56
20070188739
2007-08-16

Apparatus and method for detecting defect in optical fiber, and plastic optical fiber manufacturing apparatus

#57
20060266082
2006-11-30

Low profile system for joining optical fiber waveguides

#58
20060165343
2006-07-27

Method and apparatus for sensing light

#59
20050196115
2005-09-08

Optical fiber for high-speed fiber-drawing process and coating concentricity monitor

#60
20050162640
2005-07-28

On-line tension measurement in an optical fiber

#61
20050126227
2005-06-16

Process for determining the drawing tension in the manufacturing of an optical fibre

#62
20050100266
2005-05-12

Method and apparatus for wafer level testing of integrated optical waveguide circuits

#63
20050063633
2005-03-24

Optical waveguide monitoring

#64
15903586
2020-01-14

Wafer-scale testing of photonic integrated circuits using horizontal spot-size converters