Abstract: A particle analyzer, comprising a source of a substantially nondiffracting light beam; a flow path configured to produce in a flowcell a ribbon-like core stream having a specific cross-sectional aspect ratio; the flowcell being configured to expose a segment of the core stream to the light beam; a detector configured to receive a signal resulting from an interaction of a particle in the core stream with the light beam; a first sorting actuator connected with the flowcell, downstream of the exposed segment of core stream; a plurality of sorting channels in fluid connection with the flow path and downstream of the first actuator; the actuator having multiple actuation states, each state configured to direct at least one part of the core stream to a corresponding channel; a second sorting actuator connected with the flowcell, opposite the first actuator, and operable in coordination with the first actuator.

Abstract: Systems having an unfiltered light scatter detector configured to detect scattered light from a sample in a flow stream are provided. Systems according to certain embodiments include a light source having two or more lasers, a light detection system having an unfiltered light scatter detector and a processor having memory operably coupled to the processor where the memory includes instructions which when executed by the processor, cause the processor to generate one or more data signals in response to scattered light from each of the two or more lasers detected by the unfiltered light scatter detector; and determine one or more parameters of data acquisition based on the generated data signals from the unfiltered light scatter detector. Methods for determining one or more parameters for data acquisition with the subject systems are also described.

Abstract: A system, method, and apparatus are provided for cytometer fluidics. In one example, a pressure regulation system is provided for a cytometer fluidics system. The pressure regulation system includes a pressure regulator and a transducer. The pressure regulator pressurizes sheath fluid in a fluid path. The transducer senses a measured pressure in the fluid path independently of the sheath tank. The transducer converts the measured pressure into a voltage. The transducer communicates the voltage to the pressure regulator. The pressure regulator translates the voltage to a regulated pressure that substantially matches the measured pressure. The pressure regulator is the only pressure regulation source in the cytometry fluidics system.

Abstract: A Raman multi-gas detection system including an enhancement unit coupled between a light source and a detector. The enhancement unit includes a nanongrid having a plurality of nanogaps. A gas is coupled to the enhancement unit and is configured to flow through the plurality of nanogaps of the nanogrid. The nanogrid comprises one or more plasmon-active materials. The light source is configured to generate plasmon-enhanced electric fields in the plurality of nanogaps of the nanogrid to induce enhanced Raman scattering of the constituent molecules in the gas within the plurality of nanogaps such that a plurality of different constituent molecules in the gas can be detected. In one embodiment, a molecule in the gas is configured to scatter the light from the light source at a rate more than 1000 times greater than in the free space in the enhancement unit.

Abstract: Light detection systems for measuring light (e.g., in a flow stream) are described. Light detection systems according to embodiments include a light scatter detector, a brightfield photodetector and an optical adjustment component configured to convey light to the light scatter detector and to the brightfield photodetector. Systems and methods for measuring light emitted by a sample (e.g., in a flow stream) and kits having a light scatter detector, a brightfield photodetector and a beam splitter component are also provided.

Abstract: Improved inspection techniques are described herein for checking for the presence of and identifying surface defects on a honeycomb body. The improved inspection utilizes measurement of travel of an outer surface of the honeycomb body to collect images of the outer surface. The images are combined into a composite image showing the outer surface of the honeycomb body. The composite image is analyzed to identify surface defects.

Abstract: A polarized Raman Spectrometric system for defining parameters of a polycrystalline material, said system comprising: a polarized Raman Spectrometric apparatus, a computer-controlled sample stage for positioning a sample at different locations, and a computer comprising a processor and an associated memory.

Abstract: Aspects of the present disclosure include methods for adjusting a particle classification index in response to one or more saturated data signals from light detected from particles in a flow stream. Methods according to certain embodiments include detecting light from particles in a flow stream; generating a plurality of data signals from the detected light; identifying one or more saturated data signals; generating a saturated signal index that corresponds to the identified saturated data signals; and applying the saturated signal index to a particle classification index to generate an adjusted particle classification index. In some embodiments, methods include determining one or more parameters of a particle (e.g., for use in a particle sort decision) by calculating an adjusted spectral unmixing matrix for the fluorescence of the particle that excludes one or more saturated data signals. Systems and integrated circuit devices (e.g.

Abstract: An analysis threshold determination device includes a threshold determination unit for determining a pair of or plural pairs of thresholds used for analysis in accordance with a pair of thresholds generated by a calculation unit and a count value output from a pulse count unit. The calculation unit repeatedly generates a new pair of thresholds in which at least one of the pair of thresholds is changed every time the pulse count unit counts the pulse until reaching a predetermined value. The threshold determination unit chooses a class of a measure of central tendency according to a frequency distribution defining each pair of thresholds generated as a class and the count value output from the pulse count unit as a frequency. The threshold determination unit determines a pair of or plural pairs of thresholds corresponding to a class of a predetermined range from the class of measure of central tendency.

Abstract: A component analysis device includes a data acquisition circuit that acquires spectral data of an analyte containing components, the spectral data being obtained by measuring a spectrum of the analyte with a sensor, a type acquisition circuit that acquires information indicating a type of the analyte, a storage that stores a reference spectral data set including multiple spectral data of substances each of which is estimated to be included in the analyte, the reference spectral data set corresponding to the type of the analyte, and an analysis circuit that performs a parallel factor analysis by using, as input data, the spectral data of the analyte and the reference spectral data set.

Abstract: The present invention relates to a method of non-destructively measuring a thickness of a reinforcement membrane, and more particularly, to a method of non-destructively measuring a thickness of a hydrogen ion exchange reinforcement membrane for a fuel cell, in which the reinforcement membrane has a symmetric three-layer structure including a reinforcement base layer and pure water layers disposed at opposing sides of the reinforcement base layer, including performing total non-destructive inspection and omitting a process of analyzing a position by means of a thickness peak of a power spectrum of the respective layers of the reinforcement membrane.

Abstract: Methods and systems for image analysis are provided, and in particular for identifying a set of base-calling locations in a flow cell for DNA sequencing. These include capturing flow cell images after each sequencing step performed on the flow cell, and identifying candidate cluster centers in at least one of the flow cell images. Intensities are determined for each candidate cluster center in a set of flow cell images. Purities are determined for each candidate cluster center based on the intensities. Each candidate cluster center with a purity greater than the purity of the surrounding candidate cluster centers within a distance threshold is added to a template set of base-calling locations.

Abstract: A micromechanical sensor device and a corresponding manufacturing method are described. The micromechanical sensor device is fitted with a substrate including a front side and a rear side; a micromechanical sensor chip including a sensor area attached to the front side of the substrate; and a capping unit attached to the front side of the substrate, which is formed at least partially by an ASIC chip. The capping unit surrounds the micromechanical sensor chip in such a way that a cavity closed toward the front side of the substrate is formed between the sensor area of the micromechanical sensor chip and the ASIC chip. A mold package is formed above the capping unit.

Abstract: An inspection device having a plurality of functions is achieved. The performance of an inspection device is improved. A structure of an inspection device is simplified. A structure of an imaging device is simplified. The inspection device includes a light source having a function of emitting infrared light, a light source having a function of emitting visible light, and an imaging portion which are provided over a substrate having flexibility, and inspects a fruit or vegetable. A first image based on light including reflected light of the infrared light, and a second image and a third image based on tight including reflected light of the visible light are captured by the imaging portion. The inspection device has a function of detecting one or more of the sugar content, the acidity, and a physiological disorder of a fruit or vegetable on the basis of the first image.

Abstract: An Attenuated total reflection measuring apparatus capable of Raman spectral measurement has an infrared optical instrument and a Raman module. The infrared optical instrument is disposed on an ATR prism side of a sample, and is provided to irradiate the ATR prism with an infrared light, and collect the infrared light from the ATR prism. The Raman module is disposed on a side opposite to the ATR prism side relative to the sample, and has a guide tube that outputs an excitation light from an excitation light source to the sample, and a lens portion disposed inside thereof. An end of the guide tube is in a position to push the sample to the ATR prism. The Raman module has a lens position adjustment mechanism that moves the lens portion along an optical axis, and a spectroscope that detects a Raman scattering light collected by the lens portion.

Abstract: Flow cytometers including light collection modules are provided. In embodiments, the subject flow cytometers include a light source for irradiating a particle passing through a flow cell at an interrogation point, an objective lens for focusing particle-modulated light, and a light collection module for collecting objective lens focused light. In some embodiments, the light collection module includes a fiber optic light conveyor and a refractive optical element positioned between the objective lens and the fiber optic light conveyor. In such embodiments, the refractive optical element is configured to direct the objective lens focused light onto the surface of the fiber optic light conveyor by refracting the objective lens focused light such that it propagates along a single optical axis. Methods for using the flow cytometers are also provided.

Abstract: A multimode biological sample inspection apparatus and method is provided. The apparatus includes an illumination hardware arrangement comprising transmission and sensing hardware configured to inspect a biological sample using at least two modes from a group comprising a fluorescence imaging mode, a reflectance imaging mode, a scattering imaging mode, and a Raman imaging mode, and processing hardware configured to operate the illumination hardware arrangement according to a protocol comprising inspection settings of the at least two modes. The processing hardware receives scan results from the illumination hardware arrangement and identifies attributes of the biological sample by constructing a multidimensional dataset comprising at least one spatial dimension and at least one spectral dimension from the scan results and analyzing the multidimensional dataset. The processing hardware is configured to employ the attributes of at least one biological sample and alter the protocol.

Abstract: A measurement device to measure a physical quantity of a measurement target having a sheet-like shape is provided, including: a first integrating sphere which is separated by a gap from a first surface of the measurement target, has a first opening facing the first surface, and is not provided with a light detector to detect an intensity of light; a second integrating sphere which is separated by a gap from a second surface of the measurement target, where the second surface is positioned opposite to the first surface, and has a second opening facing the first opening with the measurement target sandwiched therebetween; a light source to emit light into the first integrating sphere; a light detecting unit to detect an intensity of light inside the second integrating sphere; and a calculating unit to calculate the physical quantity of the measurement target based on the intensity of the detected light.

Abstract: A paper sheet detection device includes: an optical sensor that includes a light-emitting portion that emits light, and a light-receiving portion that receives the emitted light; a storage portion that stores a first threshold value used for determining whether or not a paper sheet is present in a path of the emitted light, a target light-receiving level set as a target value of a level of the light received by the light-receiving portion in a state where the paper sheet is not present, and a second threshold value that is set to a value that is greater than the first threshold value and less than the target light-receiving level; an estimating portion that determines whether the level of the light received by the light-receiving portion is equal to or greater than the first threshold value and less than the second threshold value, and that estimates whether or not the paper sheet is present; and a light amount adjusting portion that adjusts an amount of the light emitted by the light-emitting portion so that

Abstract: Provided are an inspection method, a program, and an inspection system capable of improving accuracy of inspecting a color of a surface of an object. The inspection method includes acquisition step and comparison step. Acquisition step is a step of acquiring a target image of a surface of an object obtained by an imaging system imaging the surface of the object illuminated by an illumination system. Comparison step is a step of comparing a color of an attention region on the target image with a color of a reference region. The reference region is a region of a reference image of a surface of a reference object as a reference of a color of the object, and a region corresponding to a combination of an incident angle of light from the illumination system and a reflection angle of light to the imaging system in the attention region.

Abstract: A signal acquisition apparatus includes a light source that irradiates a living tissue with light and a detector that acquires signals from light returned from the living tissue to generate output data on the basis of the signals. The detector includes circuitry that acquires the signals and characteristic data regarding the signals and generates the output data on the basis of the characteristic data. The circuitry is implemented in a single semiconductor chip. Further, the present technology also provides a signal acquisition system including the signal acquisition apparatus and an analysis unit configured to analyze output data output from the image acquisition apparatus.

Abstract: According to one embodiment, a measuring device includes a support body, a first light source, a second light source, a first sensor, and a second sensor. The support body is configured to support an end portion of a measurement target. The first light source is disposed on a front surface side of the support body. The second light source is disposed on a rear surface side of the support body. An optical axis of the second light source coincides with an optical axis of the first light source. The first sensor is configured to acquire an image of a mark in the measurement target in accordance with light from the first light source. The second sensor is configured to acquire an image of the mark in the measurement target in accordance with light from the second light source.

Abstract: A measurement device, for measuring the shape of an interface to be measured of an optical element having a plurality of interfaces, the device including a measurement apparatus with at least one interferometric sensor illuminated by a low-coherence source, for directing a measurement beam towards the optical element to pass through the plurality of interfaces, and to detect an interference signal resulting from interferences between the measured measurement beam reflected by the interface and a reference beam, a positioning apparatus configured for relative positioning of a coherence area of the interferometric sensor at the level of the interface to be measured, and a digital processor for producing, based on the interference signal, an item of shape information of the interface to be measured according to a field of view.

Abstract: An optical probe and method for analysing a soil located in an underground area are provided. The optical probe includes a probe head insertable into the underground area, the probe head including a transparent wall defining a hollow chamber within the probe head; a light source mounted in the hollow chamber, configured to generate an illumination beam towards the soil, the illumination beam passing through the transparent wall to irradiate the soil, thereby producing a resulting light emanating from the soil, a portion of the resulting light returning towards the probe head and being guided in the transparent wall by total internal reflection along the optical path; a detector configured to receive the portion of the resulting light and outputting an output signal representative of characteristic(s) of the soil; and an optical element guiding the portion of the resulting light from the transparent wall to the detector.

Abstract: Described herein is a device for optically surveilling at least one area. The device includes a sender unit and a receiver unit. The sender unit has at least one illumination source. The illumination source is designed to generate at least one light beam having a beam profile. Each light beam is designated for propagating to the receiver unit, thereby traversing at least one area for surveillance. The receiver unit includes at least one transfer device, at least two optical sensors, and at least one evaluation device.

Abstract: An optical arrangement receives output light emanating from an object disposed within a fluid column that crosses an optical refraction boundary of the fluid column between the object and the optical arrangement. The optical arrangement modifies the output light such that the modified output light has an intensity that is more uniform than the output light.

Abstract: A system is described wherein multiple lasers are used to irradiate particles in a flow cytometer's flow stream. In certain embodiments, a light source having a first laser configured for continuous irradiation of a flow stream and one or more second lasers configured for irradiation of the flow stream in discrete intervals where each discrete interval of irradiation by the second laser is triggered by irradiation of one or more particles in the flow stream with the first laser. Methods for modulating the laser irradiation and measuring light intensity are also described. Also described is the computations and systems required to operate the one or more second lasers.

Abstract: An embodiment provides a system and method for sample labeling. During operation, the system obtains a plurality of historical loss assessment images and obtains a plurality of candidate samples from the plurality of loss assessment images. A respective candidate sample comprises an image of a candidate damage area detected in a corresponding historical loss assessment image. The system clusters the plurality of candidate samples into a plurality of class clusters. For a respective class cluster, the system determines a center candidate sample set corresponding to a class cluster center of the respective class cluster, receives a manual labeling result associated with candidate samples in the determined center candidate sample set, and performs, according to the manual labeling result, damage classification labeling on other unlabeled candidate samples in the respective class cluster to obtain a plurality of labeled samples.

Abstract: A method of testing a photonics die at the wafer level includes providing a sacrificial waveguide and a grating coupler at least partially in a scribe line between dies of a wafer, performing one or more tests on the dies of the wafer via the sacrificial waveguide and grating coupler in the scribe line, and removing the sacrificial waveguide during separation of the dies of the wafer.

Abstract: To provide a technique that enables the risk of contamination to be reduced. Provided is a microparticle measuring apparatus including at least: a relay unit that enables a flow path through which microparticles flow and a cleaning fluid storage unit to communicate with each other; a sheath fluid tube that causes the flow path and a sheath fluid storage unit to communicate with each other; and a cleaning fluid tube that causes the relay unit and the cleaning fluid storage unit to communicate with each other, in which the relay unit includes a first connector that can be connected to a joint portion on the sheath fluid storage unit side of the sheath fluid tube.

Abstract: A water contamination detection system. The system may include a device processor; and a non-transitory computer readable medium including instructions executable by the device processor to perform the following steps: receiving information indicative of the presence of one or more contaminants in water within a geographic region; determining a characterization of water contamination within the geographic region; and sending information regarding water contamination to a plurality of users of the system.

Abstract: An aspirating detector system includes a detector and a controller. The detector includes a chamber, a light source adjacent the chamber, and a sensor adjacent the chamber. The sensor is operable to emit sensor signals responsive to received light from interaction of a light beam from the light source with an analyte in the chamber. The controller is connected to receive the sensor signals. The controller is configured to determine whether a target substance is present in the analyte based on an intensity of the received light.

Abstract: A method of analysing a sample in the form of a droplet provided on a sample-receiving surface includes providing a light source and a detector in a housing, positioning said sample-receiving surface in or on the housing, and focussing an incident beam of light to a focal point in the vicinity of the sample. Light is detected from the sample resulting from an interaction with the sample, the sample-receiving surface, or the atmosphere surrounding the sample. At least one parameter of the detected light is measured, and the sample-receiving surface is translated relative to the housing such that the focal point is at a different region of the sample, the sample-receiving surface, or the atmosphere surrounding the sample. The step of measuring one or more parameters of the detected light is repeated following the translating step.

Abstract: Substrate processing apparatus including a wafer transport apparatus with a transport arm including an end effector, an arm pose deterministic feature integral to the substrate transport apparatus and disposed so that a static detection sensor of the substrate processing apparatus detects at least one edge of the at least one arm pose deterministic feature on the fly with radial motion of the transport arm, and a controller configured so that detection of the edge effects a determination of a proportion factor identifying at least a thermal expansion variance of the transport arm on the fly and includes a kinematic effects resolver configured to determine, from the detection of the edge on the fly, a discrete relation between the determined proportion factor and each different discrete variance respective to each different link of the transport arm determining at least the thermal expansion variance of the transport arm on the fly.

Abstract: A method of scanning a substrate and determining scratches of the substrate includes transmitting a converging beam of light that comprises multiple wavelengths to the substrate. Each wavelength of the multiple wavelengths focuses at a different distance in a focus interval around and including a surface of the substrate. The method also includes receiving reflected light from the surface of the substrate and determining a height or depth of the surface of the substrate based on a wavelength of the reflected light having a highest intensity.

Abstract: A biophotonic medical device for detection of abnormalities in human tissue. A method for noninvasive detection of a failed breast implant. A method for medical diagnosis of abnormalities in human tissue by adjusting the positioning of a light source and an adjacent light detector on a single surface of a target region.

Abstract: Flow cytometric droplet dispensing systems and methods for using the same to flow cytometrically dispense droplets into partitions are provided. Aspects of embodiments of the systems include sorting flow cytometers configured to sort both particle-occupied and particle-unoccupied droplets into a partition. Also provided are methods of using the systems. Systems and methods of the invention find use in a variety of applications.

Abstract: Various systems and methods for implementing LiDAR-based object detection and classification are described herein. An object detection system includes a feature extraction and object identification (FEOI) circuit to: receive segmented data of an environment around the object detection system, the segmented data obtained using a light imaging detection and ranging (LiDAR) system, oriented with respect to a direction of travel; compute spatial and structural parameters of a segment of the segmented data; and use the spatial and structural parameters with a machine learning model to obtain a classification of the segment.

Abstract: A warning receiver includes an anamorphic lens positioned to receive light within a field-of-view (FOV) defined by first and second angles that are orthogonal to each other and compress the light along the first orthogonal angle into a single line along the second orthogonal angle. A dispersive element is positioned to separate the single line of light into a plurality of wavelengths to produce a two-dimensional light field indexed by the second orthogonal angle and wavelength. A pixelated detector is positioned to receive the light field and readout electrical signals indexed by the second orthogonal angle and wavelength. A processor coupled to the pixelated detector process the electrical signals to detect and characterize an optical source within the FOV.

Abstract: Gas exchange analysis methods and systems utilize a water vapor buffering component including a material configured to buffer water vapor in a flow of a gas, whereby fluctuations in the water vapor content in the flow of the gas are slowed for components downstream from the water vapor buffering component. Components downstream of the water vapor buffering component may include: a first water vapor sensor configured to receive the flow of the gas from the water vapor buffering component and configured to measure a first concentration of water vapor in the gas; a sample chamber configured to receive the gas exiting the water vapor buffering component or the first water vapor sensor and to hold a sample capable of adding or removing water vapor from the gas; and a second water vapor sensor configured to measure a second concentration of water vapor in the gas exiting the sample chamber.

Abstract: A method of measuring the concentration of a gas in a target environment using a laser lidar system, comprises directing a laser beam towards an environment containing the gas, tuning the laser wavelength over a wavelength range including the absorption line of the gas, and measuring intensity of laser light returned from the environment containing the gas, as a result of scattering as a function of time. The intensity vs time is then converted into gas absorption vs wavelength, and the gas absorption vs wavelength is used to determine the concentration of the gas in the target environment.

Abstract: An intraoral scanner comprises a light source, a moveable opto-mechanical module, an axial actuator, and an image sensor. The light source is configured to generate light that is to be output onto an object external to the intraoral scanner. The moveable opto-mechanical module comprises integrated projection/imaging optics and an exit pupil, the projection/imaging optics having an optical axis, wherein the projection/imaging optics are entirely integrated into the moveable opto-mechanical module. The axial actuator is coupled to the projection/imaging optics and configured to move the moveable opto-mechanical module comprising an entirety of the projection/imaging optics in the optical axis to achieve a plurality of focus settings. The image sensor is configured to receive reflected light that has been reflected off of the object external to the intraoral scanner for the plurality of focus settings.

Abstract: There is a demand for low-cost robust method to detect corrosion for estimating corrosion inhibitor (CI) concentration sensing. This disclosure herein relates to method and system for estimating corrosion inhibitor (CI) concentration using a multi-electrode array sensor. The method initially obtains a plurality of electrochemical signals using the multi-electrode array sensor from the corroding environment. Further, the plurality of electrochemical signals are analyzed to obtain a plurality of parameters. Further, the method analyses a plurality of features from the plurality of parameters for estimating the corrosion inhibitor (CI) concentration using a trained machine learning model. The method is capable of estimating the corrosion inhibitor concentration of any unknown liquid using the regression model and the classification model.

Abstract: A system for three-dimensional hyperspectral imaging includes an illumination source configured to illuminate a target object; a dispersive element configured to spectrally separate light received from the target object into different colors; and a light detection and ranging focal plane array (FPA) configured to receive the light from the dispersive element, configured to acquire spatial information regarding the target object in one dimension in the plane of the FPA, configured to acquire spectral information in a second dimension in the plane of the FPA, wherein the second dimension is perpendicular to the first dimension, and configured to obtain information regarding the distance from the FPA to the target object by obtaining times of flight of at least two wavelengths, thereby imaging the target object in three dimensions and acquiring spectral information on at least one 3D point.

Abstract: A sensor rod assembly includes a master stick and an extension stick, where the master stick and the at least one extension stick are couplable together via at least one of a physical coupling, an electrical coupling, or a communicative coupling. The sensor rod assembly includes a controller with one or more processors, where the one or more processors are communicatively coupled to at least one set of detection circuitry and a user interface, where the one or more processors are configured to execute a set of program instructions configured to cause the one or more processors to receive one or more detection signals from at least one of the master stick or the extension stick and configured to cause the one or more processors to determine an elevation of a laser light based on the received one or more detection signals.

Abstract: A method for identifying an object, an optical sensing apparatus and a system are provided. A controller of the system drives multiple light sources of the optical sensing apparatus to emit the multiple light beams with different beam angles, controls a light sensor to sense the lights reflected by the object, and performs the method for identifying the object. In the method, the light sensor is used to sense a first light emitted by a first light source with a first beam angle reflected by the object, and sense an intensity of the reflected first light. The light sensor is also used to sense a second light emitted by a second light source with a second beam angle reflected by the object and sense another intensity of the reflected second light. Therefore, the object can be identified by integrating information of the intensities obtained by the light sensor.

Abstract: A passive microscopic flow sensor includes a three-dimensional microscopic optical structure formed on a cleaved tip of an optical fiber. The three-dimensional microscopic optical structure includes a post attached off-center to and extending longitudinally from the cleaved tip of the optical fiber. A rotor of the three-dimensional microscopic optical structure is received for rotation on the post. The rotor has more than one blade. Each blade has a reflective undersurface that reflects a light signal back through the optical fiber when center aligned with the optical fiber, the blades of the rotor shaped to rotate at a rate related to a flow rate.

Abstract: A measurement system is disclosed. A measurement system includes an illumination module, a mirror module, a stage, and a detector. The illumination module includes a light source, an optical fiber, a collimating mirror, a polarization state generator, a beam control mirror, and a relay mirror. The mirror module includes a first beam splitter and a reflective objective mirror. The beam control mirror is movable to relay light received from the polarization state generator to various positions on the relay mirror.

Abstract: The invention relates to a method for examining a liquid which contains at least one cell and/or at least one particle using a first and a second measurement signal emanating from a liquid region, wherein the method has the following steps: (a) reading the first measurement signal and analysing the first measurement signal; and (b) determining based on the analysed first measurement signal (15) whether a detection of the second measurement signal (20) is carried out and a reading of the detected second measurement signal is completed, or whether a reading of the detected second measurement signal (20) is completed, or whether a reading of the detected second measurement signal (20) is interrupted.

Abstract: A method for improving an identification accuracy of mixture components by using a known mixture Raman spectrum is disclosed. After calculating a first similarity between a to-be-tested Raman spectrum characteristic vector group and a pure substance Raman spectrum characteristic vector group of an nth kind of pure substance in a Raman spectrum standard library, the method uses a known mixture library to calculate to obtain a second similarity between a to-be-identified substance Raman spectrum characteristic vector group and a spectral peak characteristic vector group with offset information corresponding to a pure substance in a known mixture, and determines a similarity between a to-be-tested mixture and the nth kind of pure substance according to the first similarity and all second similarities to thus obtain a component identification result. The present application uses the known mixture library to assist the Raman spectrum standard library in searching.