Patent classifications
G01N2021/1736
FAST LABEL-FREE METHOD FOR MAPPING CARDIAC PHYSIOLOGY
A system and method for mapping metabolic data of a heart. The system has a light source directing light onto the heart, one or more lenses for focusing an image of the heart, and a fluorescent detector receiving the focused image and generating transients and/or waves to map metabolic cardiac data.
Arrangement for measuring gas concentrations
An arrangement for measuring gas concentrations in a gas absorption method, wherein the arrangement includes a plurality of light sources, a measuring cell, at least one measuring receiver and an evaluation apparatus. The measuring cell has a narrow, longitudinally-extended beam path with an entrance-side opening diameter B and an absorption length L with L>B, wherein the measuring cell has a gas inlet and a gas outlet wherein a plurality of light sources of different wavelength spectra is grouped into a first light source group wherein an optical homogeniser is interposed between the first light source group and the measuring cell, wherein, in particular, the homogeniser is coupled to the light source group directly or via a common optical assembly.
Method and system for measuring steam mass flow
A method and system for measuring steam mass flow in a conduit by simultaneously measuring absorbance and variable steam patterns by light detectors receiving coherent light.
DEFORMOMETER FOR DETERMINING DEFORMATION OF AN OPTICAL CAVITY OPTIC
A deformometer includes: a cavity body; entry and exit optical cavity optics, such that the optical cavity produces filtered combined light from combined light; a first laser that provides first light; a second laser that provides second light; an optical combiner that: receives the first light; receives the second light; combines the first light and the second light; produces combined light from the first light and the second light; and communicates the combined light to the entry optical cavity optic; a beam splitter that: receives the filtered combined light; splits the filtered combined light; a first light detector in optical communication with the beam splitter and that: receives the first filtered light from the beam splitter; and produces a first cavity signal from the first filtered light; and a second light detector that: receives the second filtered light; and produces a second cavity signal from the second filtered light.
METHOD AND SYSTEM FOR MEASURING STEAM MASS FLOW
A method and system for measuring steam mass flow in a conduit by simultaneously measuring absorbance and variable steam patterns by light detectors receiving coherent light.
INSPECTION METHOD OF WORKPIECE AND INSPECTION APPARATUS
An inspection method of a workpiece includes a separation layer forming step of forming a separation layer composed of a modified layer parallel to an upper surface and cracks that extend from the modified layer inside the workpiece, an irradiation step of irradiating the whole of the upper surface of the workpiece in which the separation layer has been formed with light with such a wavelength as to be transmitted through the workpiece and reflect at the crack of the separation layer after the separation layer forming step is executed, a light reception step of receiving reflected light resulting from the irradiation in the irradiation step and reflection by the crack, and a determination step of determining the state of the separation layer on the basis of the intensity of the reflected light received in the light reception step.
FLUORESCENCE AND SCATTER AND ABSORPTION SPECTROSCOPIC APPARATUS WITH A SAPPHIRE TUBE AND METHOD FOR ANALYZING INLINE LOW LEVEL HYDROCARBON IN A FLOW MEDIUM
An apparatus and method of inline measurement of low-concentration hydrocarbons overlaps fluorescence, scatter and absorption spectroscopy devices so as to measure scatter and absorption of fluorescing oil and the excited fluorescence itself. The apparatus includes a fitting, an input port, an output port, and a sapphire tube having a hollow interior in fluid connection with the input port and the output port. Flow medium passes through the input port, the sapphire tube, and the output port. The apparatus also includes a light emitter, a first detector, and a second detector. The light emitter can include a lens, an absorption and scatter wavelength emitter, and a fluorescence wavelength emitter. An incident absorption and scatter beam and an incident fluorescence beam from the light emitter and parallel so as to determine free hydrocarbon, dissolved hydrocarbons, and solids in a sample within the sapphire tube.
Sensitive optical metrology in scanning and static modes
A metrology system may include a metrology tool to selectively perform metrology measurements in a static mode in which one or more metrology targets on a sample are stationary during a measurement or a scanning mode in which one or more metrology targets are in motion during a measurement, and a controller communicatively coupled to the translation stage and at least one of the one or more detectors. The controller may receive locations of metrology targets on the sample to be inspected, designate the metrology targets for inspection with the static mode or the scanning mode, direct the metrology tool to perform metrology measurements on the metrology targets in the static mode or the scanning mode based on the designation, and generate metrology data for the sample based on the metrology measurements on the metrology targets.
Apparatus, Optical system, and Method for digital holographic and polarization microscopy
A microscope, a method, and a system are provided. A system includes a first optical system, a second optical system, and one or more processors. The first optical system is configured to generate an optical phase signal associated with a first image of a sample in a first field of view. The second optical system is configured to generate a polarized signal associated with a second image of the sample in a second field of view. The one or more processors is configured to generate a co-registered phase and polarization information map based on the optical phase signal and the polarized signal. The first field of view is the same as the second field of view. The first image and the second image are captured sequentially.
METHOD AND APPARATUS FOR SPECTROSCOPIC ANALYSIS, IMPLEMENTING INFRARED AND FLUORESCENCE MULTICHANNEL PROCESSING OF SPECTRAL DATA
Method for analysing at least one sample, implementing a method for analysing spectroscopic data based on a multiway statistical model, characterised in that it comprises: a) the illumination of said or of each sample to be analysed by a first light source and by a second light source, said at least one second light source being separate from said first light source; b) the acquisition of fluorescence spectrums from said or from each sample, said fluorescence spectrums resulting from the illumination of said or of each sample by one or more light beams emitted by said first light source; c) the acquisition of transmittance and/or reflectance spectrums from said or from each sample, said transmittance and/or reflectance spectrums resulting from the illumination of said or of each sample by one or more light beams emitted by said second light source; d) the organisation of said fluorescence spectrums acquired into a first acquisition data cube; e) the organisation of said transmittance and/or reflectance spectrums into a second acquisition data cube; f) the amalgamation of acquisition data of said first cube and acquisition data of said second cube into a third amalgamated data cube; g) the decomposition of the amalgamated data from said third cube by applying said multiway statistical model; h) the determination of at least one indicator characterising said or each sample, from the data coming from applying said multiway statistical model to said amalgamated data. Device for the implementation of such a method.