BIDIRECTIONAL LOOPBACK AMPLIFIER FOR OPTICAL SENSING APPLICATIONS

OPTICAL FIBER CHARACTERISTICS MEASUREMENT APPARATUS

OPTICAL FIBER CHARACTERISTIC MEASUREMENT DEVICE AND OPTICAL FIBER CHARACTERISTIC MEASUREMENT METHOD

SYSTEM AND METHOD FOR TESTING OPTICAL DEVICES USING AN OPTICAL TIME DOMAIN REFLECTOMETER (OTDR) DEVICE

OPTICAL FIBER CHARACTERISTICS MEASUREMENT APPARATUS AND METHOD OF MEASURING OPTICAL FIBER CHARACTERISTICS

MEASURING DEVICE, MEASURING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

Optical Fiber Measurement System

OPTICAL FIBER CHARACTERISTICS MEASUREMENT SYSTEM

Acoustic mode propagation speed measurement method and acoustic mode propagation speed measurement device

Raman gain efficiency distribution testing method, and Raman gain efficiency distribution testing device

Backscattering optical amplification device, optical pulse testing device, backscattering optical amplification method and optical pulse testing method

Optical pulse reflectometer and optical pulse reflectometry

Backscattering optical amplification device, optical pulse testing device, backscattering optical amplification method and optical pulse testing method

Optical fiber loss measurement device and optical fiber loss measurement method

Method and system for determining deformation in a cable

Optical fiber characterization measurement systems and methods

Amplifier dynamics compensation for brillouin optical time-domain reflectometry

Noise management for optical time delay interferometry

Optical fiber sensing systems, methods, structures and applications

Optical fiber characteristic measurement device and optical fiber characteristic measurement method

Detection of gainers and exaggerated losses in unidirectional OTDR traces

Method and system for optical fiber sensing

NOISE MANAGEMENT FOR OPTICAL TIME DELAY INTERFEROMETRY

Optical fiber characteristics measuring apparatus and optical fiber characteristics measuring method

Calibration device for distributing sensing technologies

Optical time-domain reflectometer device including combined trace display

Monitoring system for cold climate

Reflectometric vibration measurement system and relative method for monitoring multiphase flows

Raman amplifier system and method with integrated optical time domain reflectometer

Apparatus for distance and location of a stress attack on an entity

Systems and methods for distributed measurement

NOISE MANAGEMENT FOR OPTICAL TIME DELAY INTERFEROMETRY

Method and system for optical fiber sensing

Method and system for an ultimately fast frequency-scanning brillouin optical time domain analyzer

System and method for dynamic event based IP addressing

Real-time fiber optic interferometry controller

Noise management for optical time delay interferometry

Distributed sensing optical fiber multi-objective multi-degree-of-freedom static and dynamic test device and method

Raman amplifier system and method with integrated optical time domain reflectometer

In-service optical time domain reflectometry utilizing raman pump source

Long-distance polarization and phase-sensitive optical time-domain reflectometry based on random laser amplification

Sensor and method of sensing

Optical fiber line characteristic analysis apparatus and analysis method thereof

Raman amplifier system and method with integrated optical time domain reflectometer

Distributed optical fiber sensor system

Method for measuring nonlinear optical properties

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

Measuring Brillouin backscatter from an optical fibre using a tracking signal

Raman amplification in distributed optical fiber sensing systems

HIGH-POWER FIBER AMPLIFIER

Measuring a characteristic of a multimode optical fiber

Method for mapping of dispersion and other optical properties of optical waveguides

DETECTION AND LOCATION OF BREAKS IN DISTRIBUTED BRILLOUIN FIBER SENSORS

System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber

Determining a length of a carrier line deployed into a well based on an optical signal

Spectral measurement apparatus and measurement method utilizing Brillouin scattering

Apparatus for measuring the characteristics of an optical fiber

Optical time domain reflectometry for two segment fiber optic systems having an optical amplifier therebetween

Method for measuring nonlinear optical properties, and optical amplifier and optical transmission system using same

Optical telecommunications network terminal, an installation including the terminal, and a method of detecting a break in optical transmission means

Method and system for adjusting the sensitivity of optical sensors

Light Pulse Amplification In Long Optical Fibers

DISTORTION MEASURING APPARATUS, METHOD, PROGRAM, AND RECORDING MEDIUM

Distortion measuring device, method, program, and recording medium

System for measuring the wavelength dispersion and nonlinear coefficient of an optical fiber

Optical spectrum analyzing device by means of Brillouin scattering and associated measurement process

Method 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

Optical time domain reflectometry

Method of determining the gain characteristic of a distributed Raman amplifier

Method 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

Systems and methods for characterizing an optical fiber in a dense wavelength division multiplexing optical link

Light scattering parameter measurement system and its measurement method