[go: up one dir, main page]

Chiang et al., 2013 - Google Patents

pH Value Detection with CLPFG Sensor

Chiang et al., 2013

Document ID
8991381736082525997
Author
Chiang C
Hsu C
Ou C
Publication year
Publication venue
Applied Mechanics and Materials

External Links

Snippet

Detection of pH value plays an important role in many fields; the precise measurement of pH value is very useful in Living systems, Chemistry and Biochemistry. The purpose of this paper is to measure pH value in solution by using Corrugated Long Period Fiber Grating …
Continue reading at www.scientific.net (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
    • G01N21/78—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
    • G01N21/80—Indicating pH value
    • 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators

Similar Documents

Publication Publication Date Title
Hromadka et al. Multi-parameter measurements using optical fibre long period gratings for indoor air quality monitoring
Rajan et al. A fast response intrinsic humidity sensor based on an etched singlemode polymer fiber Bragg grating
Gupta et al. A long-range fiber optic pH sensor prepared by dye doped sol-gel immobilization technique
Thomas et al. A high response polyimide fiber optic sensor for distributed humidity measurements
Mishra et al. Wide-range pH sensor based on a smart-hydrogel-coated long-period fiber grating
Arjmand et al. A sensitive tapered-fiber optic biosensor for the label-free detection of organophosphate pesticides
Khijwania et al. An evanescent-wave optical fiber relative humidity sensor with enhanced sensitivity
Yeo et al. Characterisation of a polymer-coated fibre Bragg grating sensor for relative humidity sensing
Gupta A novel probe for a fiber optic humidity sensor
Berruti et al. Radiation hard humidity sensors for high energy physics applications using polyimide-coated fiber Bragg gratings sensors
Guo et al. In-situ detection of density alteration in non-physiological cells with polarimetric tilted fiber grating sensors
Gupta et al. Fabrication and characterization of U-shaped fiber-optic pH probes
Hartings et al. Humidity responsive photonic sensor based on a carboxymethyl cellulose mechanical actuator
JP4660543B2 (en) Long-period grating sensor method and apparatus
Alvarado-Méndez et al. Design and characterization of pH sensor based on sol–gel silica layer on plastic optical fiber
Caponero et al. Polymer-coated FBG humidity sensors for monitoring cultural heritage stone artworks
Lu et al. Polymer-coated fiber Bragg grating sensors for simultaneous monitoring of soluble analytes and temperature
Wales et al. An investigation into relative humidity measurement using an aluminosilicate sol–gel thin film as the active layer in an integrated optical Bragg grating refractometer
CN106644959A (en) Evanescent wave coupling humidity sensing optical fiber and preparation method thereof
Bey et al. Chloride ion optical sensing using a long period grating pair
Mathews et al. A fiber optic biosensor for the detection of cholesterol levels based on chitosan coated long period grating
Tao et al. Grapefruit photonic crystal fiber sensor for gas sensing application
Chiang et al. pH Value Detection with CLPFG Sensor
Wang et al. Humidity characteristics of a weak fiber Bragg grating array coated with polyimide
Liang et al. Study on sensitivity improving of fiber Bragg grating based pH sensor