Sudhan et al., 2019 - Google Patents
An Optimized Multiplexing System for Remote Sensing Optical SignalsSudhan 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 …
- 230000003287 optical 0 title description 11
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
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING 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
- G01D5/00—Mechanical 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
- G01D5/26—Mechanical 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
- G01D5/32—Mechanical 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
- G01D5/34—Mechanical 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
- G01D5/353—Mechanical 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
- G01D5/35383—Mechanical 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
-
- 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
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 |