Pineiro et al., 2022 - Google Patents
Compensation of phase-noise in pulse-compression phase-sensitive OTDR sensorsPineiro et al., 2022
- Document ID
- 8760104112182213726
- Author
- Pineiro E
- Sagues M
- Eyal A
- Loayssa A
- Publication year
- Publication venue
- Optical Fiber Sensors
External Links
Snippet
Compensation of phase-noise in pulse-compression phase-sensitive OTDR sensors Page 1
Compensation of phase-noise in pulse-compression phase-sensitive OTDR sensors Enrique
Pineiro 1, Mikel Sagues 1, Avishay Eyal 2 and Alayn Loayssa 1 1Institute of Smart Cities and …
- 238000007906 compression 0 title abstract description 13
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
- G01M11/3136—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR for testing of multiple fibers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/319—Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/39—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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves
- G01S17/325—Systems determining position data of a target for measuring distance only using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves using transmission of frequency-modulated waves and the received signal, or a signal derived therefrom, being heterodyned with a locally-generated signal related to the contemporaneous transmitted signal to give a beat-frequency signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/95—Lidar systems specially adapted for specific applications for meteorological use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6342019B2 (en) | Distributed optical fiber acoustic wave detector | |
Sun et al. | Distributed fiber-optic vibration sensor using a ring Mach-Zehnder interferometer | |
Wang et al. | High-sensitivity distributed dynamic strain sensing by combining Rayleigh and Brillouin scattering | |
Iida et al. | Distributed measurement of acoustic vibration location with frequency multiplexed phase-OTDR | |
Shang et al. | Optical fiber distributed acoustic sensing based on the self-interference of Rayleigh backscattering | |
JP7435160B2 (en) | Optical fiber vibration detection device and vibration detection method | |
Shi et al. | Distributed fiber sensing system with wide frequency response and accurate location | |
Pineiro et al. | Compensation of phase-noise in pulse-compression phase-sensitive OTDR sensors | |
Iida et al. | Advances in distributed vibration sensing for optical communication fiber state visualization | |
CN114543973A (en) | Distributed ultrahigh frequency vibration signal measuring method and optical fiber sensor | |
Piñeiro et al. | Compensation of phase noise impairments in distributed acoustic sensors based on optical pulse compression time-domain reflectometry | |
JP5849056B2 (en) | Optical pulse test apparatus and optical pulse test method | |
Tang et al. | Distributed acoustic sensors with wide frequency response based on UWFBG array utilizing dual-pulse detection | |
US11543287B2 (en) | Distributed acoustic sensing using multi-band time-gated digital orthogonal frequency domain reflectometry | |
Huang et al. | Hybrid distributed fiber-optic sensing system by using Rayleigh backscattering lightwave as probe of stimulated Brillouin scattering | |
Li et al. | Analysis and compensation of vibration induced beat frequency shift in OFDR based fiber-optic distributed acoustic sensor | |
CN116953778A (en) | Pulse modulation optical fiber distributed acoustic sensing earthquake monitoring method and system | |
Muanenda et al. | A φ-OTDR sensor for high-frequency distributed vibration measurements with minimal post-processing | |
Peled et al. | Distributed and dynamic monitoring of 4km/sec waves using a Brillouin fiber optic strain sensor | |
Liu et al. | Distributed quantitative vibration demodulation with direct-detection based phase-sensitive OTDR assisted by acousto-optic phase shifting technique | |
Aldoğan et al. | Development of a phase-OTDR interrogator based on coherent detection scheme | |
Sandah et al. | Spectral Shadowing Compensation in Double-pulse FBG-assisted φ-OTDR | |
Yang et al. | Digitalized phase demodulation scheme of φ-OTDR based on cross-coherence between Rayleigh back-scattering beat signals | |
Ishimaru et al. | Single-end vibration measurement in fast BOTDA method based on broadband light with fiber mirror reflector | |
Dorize et al. | Vibration identification over 50km SSMF with Pol-Mux coded phase-OTDR |