Nothing Special   »   [go: up one dir, main page]

Xu et al., 2019 - Google Patents

Reflective optical fiber sensor based on light polarization modulation for hydrogen sensing

Xu et al., 2019

View HTML
Document ID
3356380222805223601
Author
Xu B
Chang R
Li P
Wang D
Zhao C
Li J
Yang M
Duan L
Publication year
Publication venue
Journal of the Optical Society of America B

External Links

Snippet

A simple reflective hydrogen-sensing system based on polarization modulation is proposed and experimentally demonstrated. The sensing unit consists of a polarizer, a polarization control, and a sensing head composed of a short segment of polarization-maintaining fiber …
Continue reading at opg.optica.org (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G01N21/7703—Systems 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
    • G01N21/774—Systems 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G01N2021/7769—Measurement method of reaction-produced change in sensor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems 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
    • G01N21/78—Systems 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 producing a change of colour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02066—Gratings having a surface relief structure, e.g. repetitive variation in diameter of core or cladding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths
    • G—PHYSICS
    • G02—OPTICS
    • G02F—DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • 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

Similar Documents

Publication Publication Date Title
Xu et al. Hybrid Fabry-Perot interferometer for simultaneous liquid refractive index and temperature measurement
Bao et al. Modeling and performance evaluation of in-line Fabry-Perot photothermal gas sensors with hollow-core optical fibers
Li et al. Guanidine derivative polymer coated microbubble resonator for high sensitivity detection of CO2 gas concentration
He et al. High performance all-fiber temperature sensor based on coreless side-polished fiber wrapped with polydimethylsiloxane
Li et al. All-fiber Mach-Zehnder interferometers for sensing applications
Ran et al. Laser-micromachined Fabry-Perot optical fiber tip sensor for high-resolution temperature-independent measurement of refractive index
Xu et al. Fiber-tip gas pressure sensor based on dual capillaries
Yan et al. Novel Knob-integrated fiber Bragg grating sensor with polyvinyl alcohol coating for simultaneous relative humidity and temperature measurement
Yang et al. High sensitivity of taper-based Mach–Zehnder interferometer embedded in a thinned optical fiber for refractive index sensing
Zhang et al. Simultaneous measurement of temperature and refractive index based on a hybrid surface plasmon resonance multimode interference fiber sensor
Caucheteur et al. Hybrid fiber gratings coated with a catalytic sensitive layer for hydrogen sensing in air
Liu et al. Humidity-insensitive temperature sensor based on a quartz capillary anti-resonant reflection optical waveguide
Du et al. Highly sensitive hydrogen sensor based on an in-fiber Mach-Zehnder interferometer with polymer infiltration and Pt-loaded WO3 coating
Sun et al. Ultrasensitive sensing in air based on Sagnac interferometer working at group birefringence turning point
Yang et al. Highly sensitive fiber-optic temperature sensor with compact hybrid interferometers enhanced by the harmonic Vernier effect
Cai et al. Multiplexing of anti-resonant reflecting optical waveguides for temperature sensing based on quartz capillary
Ding et al. On-chip simultaneous sensing of humidity and temperature with a dual-polarization silicon microring resonator
Zhang et al. Fiber-optic refractometer based on a phase-shifted fiber Bragg grating on a side-hole fiber
Bai et al. Simultaneous measurement of relative humidity and temperature using a microfiber coupler coated with molybdenum disulfide nanosheets
Tang et al. Self-compensated microstructure fiber optic sensor to detect high hydrogen concentration
Wang et al. Sensitive hydrogen sensor based on selectively infiltrated photonic crystal fiber with Pt-loaded WO3 coating
Xu et al. Reflective optical fiber sensor based on light polarization modulation for hydrogen sensing
Sanjida Alam et al. FEM based highly sensitive dual core temperature sensor: design and analysis
Cicek et al. Single-slot hybrid microring resonator hydrogen sensor
Qiu et al. Ultrasensitive cascaded in-line Fabry-Perot refractometers based on a C-shaped fiber and the Vernier effect