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

Zhang et al., 2024 - Google Patents

Simultaneous measurement of temperature, liquid level and axial strain based on torsional taper Mach-Zehnder interferometer with Vernier effect

Zhang et al., 2024

Document ID
15550175915628845119
Author
Zhang W
Lu Y
Publication year
Publication venue
Measurement

External Links

Snippet

A novel and simple highly-sensitive temperature, liquid level and axial strain sensor based on a torsional taper Mach-Zehnder interferometer (MZI) with Vernier effect is proposed. An interesting finding, which is the linear relationships between the wavelength shifts of …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • 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
    • 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
    • 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
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress in general
    • G01L1/24—Measuring 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
    • G01L1/241—Measuring 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 by photoelastic stress analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12—Measuring 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
    • G01K11/125—Measuring 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
    • 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
    • G01N21/21—Polarisation-affecting properties
    • G01N21/23—Bi-refringence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/32—Measuring 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
    • G01K11/3206—Measuring 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 at discrete locations in the fibre, e.g. by means of Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring 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

Similar Documents

Publication Publication Date Title
Zhang et al. Highly sensitive temperature and strain sensor based on fiber Sagnac interferometer with Vernier effect
Zhao et al. Simultaneous measurement of RI and temperature based on the combination of Sagnac loop mirror and balloon-like interferometer
Ma et al. Birefringence sensitivity to temperature of polarization maintaining photonic crystal fibers
Wang et al. Comparative analyses of bi-tapered fiber Mach–Zehnder interferometer for refractive index sensing
Shao et al. High-sensitivity temperature sensor based on polarization maintaining fiber Sagnac loop
Zhou et al. A multi-core fiber based interferometer for high temperature sensing
Liu et al. Directional torsion and strain discrimination based on Mach-Zehnder interferometer with off-axis twisted deformations
Su et al. Simultaneous magnetic field and temperature measurement based on no-core fiber coated with magnetic fluid
Li et al. Simultaneous measurement of RI and temperature based on a composite interferometer
Ding et al. Temperature-compensated balloon-like fiber magnetic field sensor with FP structure based on PDMS
Gang et al. A novel strain sensor using a fiber taper cascaded with an air bubble based on Fabry–Pérot interferometer
Lin et al. High-temperature measurement based on highly-sensitive miniature cascaded FPIs and the harmonic Vernier effect
Huang et al. Highly sensitive temperature sensor based on all-fiber polarization interference filter with Vernier effect
Li et al. Highly-sensitive fiber-optic FP salinity sensor based on vernier effect
Li et al. Simultaneous detection of magnetic field and temperature using micro-nanofiber cascaded fiber Bragg grating structure
Shu et al. Simultaneous measurement three parameters of temperature, strain, and curvature by thin-core fiber based-Mach-Zehnder interferometer
Zuo et al. Ultrasensitive temperature sensor based on cascading a polarization mode interferometer with a Fabry-Perot interferometer
Zhang et al. An inline Mach-Zehnder interferometer for simultaneously measuring liquid level and temperature
Wang et al. S-shaped refractometer based on dual tapered no-core fiber for low-range refractive index measurement
Jin et al. A strain sensor with low temperature crosstalk based on re-modulation of D-shaped LPFG
Zhang et al. Simultaneous measurement of temperature, liquid level and axial strain based on torsional taper Mach-Zehnder interferometer with Vernier effect
Su et al. A highly sensitive torsion sensor based on symmetrically polished SMS fiber structure
Li et al. Ultrasensitive measurement of gas refractive index based on cascaded Mach–Zehnder interferometers and Vernier effect
Wei et al. High sensitivity compact Mach Zehnder interferometer based on the cascade application of seven-core fiber and graded index multimode fiber
Li et al. High-sensitivity twist sensor based on Sagnac interference with a helical elliptical core fiber