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

Liu et al., 2019 - Google Patents

Optical-resolution photoacoustic microscopy of oxygen saturation with nonlinear compensation

Liu et al., 2019

View HTML @Full View
Document ID
4679506037529319226
Author
Liu C
Liang Y
Wang L
Publication year
Publication venue
Biomedical optics express

External Links

Snippet

Optical-resolution photoacoustic microscopy (OR-PAM) of oxygen saturation (sO_2) offers high-resolution functional information on living tissue. Limited by the availability of high- speed multi-wavelength lasers, most OR-PAM systems use wavelengths around 532nm …
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
    • G01N21/62—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
    • G01N21/65—Raman scattering
    • G01N2021/653—Coherent methods [CARS]
    • 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
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases

Similar Documents

Publication Publication Date Title
Liu et al. Optical-resolution photoacoustic microscopy of oxygen saturation with nonlinear compensation
Zhou et al. Highly parallel, interferometric diffusing wave spectroscopy for monitoring cerebral blood flow dynamics
Faber et al. Light absorption of (oxy-) hemoglobin assessed by spectroscopic optical coherence tomography
Liang et al. 2 MHz multi-wavelength pulsed laser for functional photoacoustic microscopy
Laufer et al. Quantitative determination of chromophore concentrations from 2D photoacoustic images using a nonlinear model-based inversion scheme
Sethuraman et al. Spectroscopic intravascular photoacoustic imaging to differentiate atherosclerotic plaques
Hu et al. Second-generation optical-resolution photoacoustic microscopy with improved sensitivity and speed
Zeng et al. Label-free optical-resolution photoacoustic microscopy of superficial microvasculature using a compact visible laser diode excitation
Madsen et al. Portable, high-bandwidth frequency-domain photon migration instrument for tissue spectroscopy
Guo et al. Calibration-free absolute quantification of optical absorption coefficients using acoustic spectra in 3D photoacoustic microscopy of biological tissue
Hwang et al. Introduction: feature issue on phantoms for the performance evaluation and validation of optical medical imaging devices
Faber et al. Are quantitative attenuation measurements of blood by optical coherence tomography feasible?
Danielli et al. Single-wavelength functional photoacoustic microscopy in biological tissue
He et al. Lateral laser speckle contrast analysis combined with line beam scanning illumination to improve the sampling depth of blood flow imaging
Liang et al. Fast-scanning photoacoustic microscopy with a side-looking fiber optic ultrasound sensor
Märk et al. Photoacoustic imaging of fluorophores using pump-probe excitation
Yi et al. Fluorescence enhancement of small squaraine dye and its two-photon excited fluorescence in long-term near-infrared I&II bioimaging
Borycki et al. Reflectance-mode interferometric near-infrared spectroscopy quantifies brain absorption, scattering, and blood flow index in vivo
Kedarisetti et al. Label-free lipid contrast imaging using non-contact near-infrared photoacoustic remote sensing microscopy
Verdel et al. Noninvasive assessment of skin structure by combined photothermal radiometry and optical spectroscopy: coregistration with multiphoton microscopy
Zhu et al. Ultrasound modulated laser confocal feedback imaging inside turbid media
Zhou et al. Multi-exposure interferometric diffusing wave spectroscopy
Song et al. In vivo three-dimensional photoacoustic tomography of a whole mouse head
Estrada et al. Microvascular oxygen quantification using two-photon microscopy
Zhu et al. Ultrasound-modulated laser feedback tomography in the reflective mode