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

Sutapun et al., 1999 - Google Patents

Pd-coated elastooptic fiber optic Bragg grating sensors for multiplexed hydrogen sensing

Sutapun et al., 1999

Document ID
626111520314882387
Author
Sutapun B
Tabib-Azar M
Kazemi A
Publication year
Publication venue
Sensors and Actuators B: Chemical

External Links

Snippet

We report a new type of optical hydrogen sensor with a fiber optic Bragg grating (FBG) coated with palladium thin film. The sensing mechanism in this device is based on mechanical stress that is induced in the palladium coating when it absorbs hydrogen. The …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N21/774Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
    • 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using change of colour or translucency
    • G01K11/125Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using change of colour or translucency using change in reflectance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress in general
    • G01L1/24Measuring force or stress in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infra-red, visible light, ultra-violet
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmission, scattering or fluorescence in optical fibres
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
    • G01L11/02Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
    • 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
    • G01D5/268Mechanical 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 using optical fibres
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/02Optical fibre with cladding with or without a coating
    • G02B6/02057Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02076Refractive index modulation gratings, e.g. Bragg gratings
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00Measuring temperature based on the expansion or contraction of a material
    • G01K5/48Measuring temperature based on the expansion or contraction of a material the material being a solid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY

Similar Documents

Publication Publication Date Title
Sutapun et al. Pd-coated elastooptic fiber optic Bragg grating sensors for multiplexed hydrogen sensing
Wu et al. Optical fiber hydrogen sensor with single Sagnac interferometer loop based on vernier effect
Tien et al. Hydrogen sensor based on side-polished fiber Bragg gratings coated with thin palladium film
Zhao et al. Simultaneous measurement of RI and temperature based on the combination of Sagnac loop mirror and balloon-like interferometer
Wang et al. High sensitivity humidity fiber-optic sensor based on all-agar Fabry–Perot interferometer
Schroeder et al. Optical fiber Bragg grating hydrogen sensor based on evanescent-field interaction with palladium thin-film transducer
Tabib-Azar et al. Highly sensitive hydrogen sensors using palladium coated fiber optics with exposed cores and evanescent field interactions
James et al. Strain response of fibre Bragg grating sensors at cryogenic temperatures
Zalvidea et al. Hydrogen sensor based on a palladium-coated fibre-taper with improved time-response
Lai et al. Application of Fabry–Pérot and fiber Bragg grating pressure sensors to simultaneous measurement of liquid level and specific gravity
CN109709070B (en) Refractive index and temperature double-parameter measuring method by using composite fiber grating sensor
Hongo et al. Applications of fiber Bragg grating sensors and high‐speed interrogation techniques
Kreger et al. Distributed strain and temperature sensing in plastic optical fiber using Rayleigh scatter
Novais et al. Determination of thermo-optic coefficient of ethanol-water mixtures with optical fiber tip sensor
Wang et al. Measurements of thermo-optic coefficient of standard single mode fiber in large temperature range
Bock et al. Development of a polarimetric optical fiber sensor for electronic measurement of high pressure
Kacik et al. Toluene optical fibre sensor based on air microcavity in PDMS
Fukano et al. Sensitivity improvement of optical-fiber temperature sensor with solid cladding material based on multimode interference
Zhang et al. Encapsulation research of microfiber Mach-Zehnder interferometer temperature and salinity sensor in seawater
Fadeev et al. A fiber-optic sensor for simultaneous temperature and pressure measurements based on a Fabry–Perot interferometer and a fiber Bragg grating
Dai et al. Highly sensitive liquid-level sensor based on weak uniform fiber Bragg grating with narrow-bandwidth
Wang et al. Integrated and compact fiber-optic conductivity-temperature-depth (CTD) sensor for marine detection
Lu et al. Polymer-coated fiber Bragg grating sensors for simultaneous monitoring of soluble analytes and temperature
Neves et al. Humidity-insensitive optical fibers for distributed sensing applications
Shao et al. Temperature-independent gas refractometer based on an S-taper fiber tailored fiber Bragg grating