[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Sudhan et al., 2019 - Google Patents

An Optimized Multiplexing System for Remote Sensing Optical Signals

Sudhan et al., 2019

Document ID
10013216524457223416
Author
Sudhan M
Abhilash K
PS S
Publication year
Publication venue
2019 International Conference on Recent Advances in Energy-efficient Computing and Communication (ICRAECC)

External Links

Snippet

In this paper, we demonstrate an optimized multiplexing method for remote sensing systems. The main component of this system is Optical Time Domain Reflectometry (OTDR). A multi- wavelength lasing system is used for long distance communication. OTDR is used to check …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31Testing 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
    • G01M11/3109Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light
    • G01D5/32Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/353Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
    • G01D5/35383Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infra-red, visible, or ultra-violet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31Testing 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
    • G01M11/319Reflectometers using stimulated back-scatter, e.g. Raman or fibre amplifiers

Similar Documents

Publication Publication Date Title
US5592282A (en) Suppression of stimulated scattering in optical time domain reflectometry
JP5600850B2 (en) Self-reference optical fiber sensor by stimulated Brillouin scattering
KR100930342B1 (en) Distribution fiber optic sensor system
US7595865B2 (en) Optical time domain reflectometry for two segment fiber optic systems having an optical amplifier therebetween
CN111373613A (en) Customized distributed amplification for fiber sensing
US9234790B2 (en) Apparatus and methods utilizing optical sensors operating in the reflection mode
CN103502771A (en) Distributed Brillouin sensing systems and methods using few-mode sensing optical fiber
CN103597328B (en) A kind of sensor for sensing and method
AU2008223936B2 (en) A dynamic sensor of physical quantities with optical waveguide with optically pumped amplifier medium
US10775246B2 (en) Single-band distributed temperature sensing
Bravo et al. Hybrid OTDR-fiber laser system for remote sensor multiplexing
Alahbabi et al. Long-range distributed temperature and strain optical fibre sensor based on the coherent detection of spontaneous Brillouin scattering with in-line Raman amplification
Sudhan et al. An Optimized Multiplexing System for Remote Sensing Optical Signals
Kee et al. Technique for measuring distributed temperature with 35-cm spatial resolution utilizing the Landau-Placzek ratio
Lee et al. Raman amplifier based long-distance, remote FBG strain sensor with EDF broadband source recycling residual Raman pump
JP2004361284A (en) System for measuring reflected wavelength
KR102644918B1 (en) sensitiveness improvement type distributed acostic sensor
KR100670870B1 (en) Optical device having phase-shifted fiber grating
KR20230008463A (en) distributed optical fiber sensor for detection distance enhancement
Allousch et al. Repeaterless Distributed Acoustic Sensing using Phase-OTDR with All-Optical Amplification for 200 km Sensing Range
CA3035884A1 (en) Distributed fibre optic sensor
Tikhomirov et al. DFB FL sensor multiplexing noise
Hu et al. 100-km long distance FBG vibration sensor based on matching filter demodulation
RU170925U1 (en) EXTENDED DISTRIBUTED FIBER OPTICAL SENSOR
RU170943U1 (en) DISTRIBUTED FIBER OPTICAL SENSOR