167135 ⎘
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 from both sides of the fiber or waveguide end-face
BIDIRECTIONAL LOOPBACK AMPLIFIER FOR OPTICAL SENSING APPLICATIONS
#2Duplex visual tester for fiber optics
#3Optical fiber evaluation method and optical fiber evaluation apparatus
#4Long-distance optical fiber detecting method, apparatus, device and system, and storage medium
#5Optical sensing system
#6Optical fiber test method and optical fiber test device
#7Light intensity distribution measurement method and light intensity distribution measurement device
#8Method and system for determining deformation in a cable
#9Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing
#10Optical fiber characterization measurement systems and methods
#11Propagation characteristic analysis device and propagation characteristic analysis method
#12Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing
#13Nonlinearity measuring method and nonlinearity measuring device
#14Measurement method, measurement device, and non-transitory recording medium
#15Fiber-optic testing source and fiber-optic testing receiver for multi-fiber cable testing
#16Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cables
#17Spectrally efficient optical frequency-domain reflectometry using I/Q detection
#18Optical fiber property measuring device and optical fiber property measuring method
#19Method and system for an ultimately fast frequency-scanning brillouin optical time domain analyzer
#20Bi-directional multi-pulsewidth optical time-domain reflectometer
#21BOTDA system that combined optical pulse coding techniques and coherent detection
#22Bi-directional multi-pulsewidth optical time-domain reflectometer
#23Sensor and method of sensing
#24Sagnac interferometer event sensing and locating device
#25Fast brillouin optical time domain analysis for dynamic sensing
#26Optical fiber characteristics measurement device and method
#27METHOD AND APPARATUS FOR CENTRAL FREQUENCY ESTIMATION
#28Measuring method of longitudinal distribution of bending loss of optical fiber, measuring method of longitudinal distribution of actual bending loss value of optical fiber, test method of optical line, manufacturing method of optical fiber cable, manufacturing method of optical fiber cord, and manufacturing method of optical fiber
#29Redundant optical fiber system and method for remotely monitoring the condition of a pipeline
#30Distributed optical fiber sensor system
#31Optical fiber characteristic measuring device and method
#32Optical fiber feature distribution sensor
#33Optical-fiber-characteristic measuring device and optical-fiber-characteristic measuring method
#34Method for measuring polarization characteristics of optical fiber, drawing method, method for identifying abnormal point, and method for configuring optical fiber transmission line
#35Methods and devices for testing an optical fiber
#36Apparatus and method for using a counter-propagating signal method for locating events
#37Optical-fiber-characteristic measuring apparatus and optical-fiber-characteristic measuring method
#38Measurement of optical fiber length and determination of chromatic dispersion over the optical fiber
#39Method for mapping of dispersion and other optical properties of optical waveguides
#40Apparatus and method for using a counter-propagating signal method for locating events
#41System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
#42Spectral measurement apparatus and measurement method utilizing Brillouin scattering
#43Apparatus and method for using a counter-propagating signal method for locating events
#44Phase responsive optical fiber sensor
#45System and method for measurement of optical parameters and characterization of multiport optical devices
#46System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber
#47Intrusion detection system for use on single mode optical fiber using a storage register for data
#48Apparatus and method for using a counter-propagating signal method for locating events
#49Optical spectrum analyzing device by means of Brillouin scattering and associated measurement process
#50Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement
#51Distributed fiber sensor with detection and signal processing using polarization state management
#52System and method for resolution enhancement of a distributed sensor
#53Distributed fiber sensor with interference detection and polarization state management
#54Determination of optical properties of a device under test in both directions in transmission and in reflection
#55Method and system for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber, method of manufacturing optical fibers, method of measuring wavelength-dispersion distribution, method of compensating for measurement errors, and method of specifying conditions of measurement