Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

Abstract: A three-dimensional detection method for red tide algae based on holographic imaging is provided, including: constructing a coaxial optical path based on a structure of a Mach-Zehnder interferometer; determining reconstruction distances of the system under different object distances; constructing an original hologram database of the algae; selecting an original hologram, and two reconstructed holograms with different reconstruction distances as a three-dimensional spatial sample of the original hologram; labeling algae in sample, and recording species and bounding boxes of the algae; training a target detection network with the sample of the holograms and a label file; detecting, with the trained target detection neural network, the sample of the algae to obtain species and a quantity of plankton in imaged water. The disclosure further provides a three-dimensional detection device for red tide algae. The method can improve a detection speed and detection accuracy of the red tide algae.

Abstract: An embodiment provides a method for measuring zinc in an aqueous sample, including: adding an iron chelating agent to the aqueous sample; chelating an amount of iron in the aqueous sample with the iron chelating agent; and measuring the amount of zinc in the aqueous sample by measuring a change in intensity of the absorbance of the iron chelated aqueous sample. Other aspects are described and claimed.

Abstract: A diagnostic optical microscope according to the present embodiment includes at least one laser light source (11) configured to generate laser light for illuminating a sample (40) containing a light absorbing material, a lens configured to focus the laser light to be focused on the sample (40), scanning means for changing a focusing position of the laser light on the sample (40), and a light detector (31) configured to detect laser light transmitted through the sample (40) as signal light. A laser light intensity is changed to obtain a nonlinear region in which the laser light intensity and a signal light intensity have a nonlinear relation due to occurrence of saturation of absorption in the light absorbing material when the laser light intensity is maximized. An image is generated based on a nonlinear component of the signal light based on the saturation of absorption in the light absorbing material.

Abstract: A moisture content measurement method that calculates moisture content of dehydrated sludge using a calibration curve for calculating the moisture content of the dehydrated sludge, the calibration curve being obtained by performing multivariate regression analysis after first-order differential processing or an offset correction is performed on absorbance for reflected light or reflectance for infrared rays from dehydrated sludge, the absorbance or the reflectance being obtained by measuring the dehydrated sludge using an infrared measurement apparatus provided with a light-receiving unit that can receive at least infrared rays reflected from a target object to be measured and a light source that has a plurality of infrared LEDs that can emit infrared rays having respectively different wavelengths or a light source having an infrared-region tungsten lamp or halogen lamp.

Abstract: Aspects of the present invention relate to methods for characterizing a multi-layered tire tread. In one example, a method comprises providing a first rubber composition having a first refractive index and providing a second rubber composition having a second refractive index. The method further comprises determining a difference between the first refractive index and the second refractive index and comparing the difference to a threshold refractive index. In addition, the method comprises adding a refractive index modifier to the first rubber composition and/or second rubber composition in case the comparison provides that the difference is lower than the threshold refractive index, so that the difference is greater than, or equal to, the threshold refractive index.

Abstract: A terahertz-wave signal input unit 11 configured to input a terahertz-wave signal from a spectroscopic apparatus 200 for detecting a terahertz wave acting on a photoresist, and a terahertz-wave signal analysis unit 12 configured to analyze a terahertz-wave signal input by the terahertz-wave signal input unit 11 to acquire characteristic information of the photoresist are included, and spectroscopic processing using a terahertz wave is performed on a photoresist to acquire characteristic information of the photoresist (a characteristic value or a correlation characteristic indicating a relationship between a plurality of elements including the characteristic value).

Abstract: A detection device including: a holding block that holds a transparent tubular body having a curved surface shape; an accommodating hole that is formed in the holding block and in which the tubular body is inserted and accommodated; an optical sensor that includes a light projecting unit which emits detection light for detecting whether or not the tubular body is accommodated in the accommodating hole and a light receiving unit which receives the detection light; and an optical path of the detection light that has a tunnel structure covered with a wall surface, the optical path linearly extending inside the holding block in a direction intersecting with the accommodating hole and being formed at a position away from a radial center of the accommodating hole, in which a wall surface of the accommodating hole and a wall surface of the optical path have a light reflectivity of 30% or less.

Abstract: A fluorescent colored image can be detected in an image on an article. This fluorescent colored image is obtained from applying an aqueous colored pigment-based ink that is capable of fluorescence, onto a suitable non-UV fluorescent substrate. This aqueous colored pigment-based ink has 1-7 weight % of a pigment colorant; and 0.1-2 weight % of a non-polymeric fluorophore that when excited by fluorescence-exciting radiation having a peak of at least 200 nm and up to and including 400 nm, exhibits an emission peak of at least 400 nm and up to and including 750 nm. This aqueous colored pigment-based ink that is capable of fluorescence can be applied using inkjet printing, onto non-UV fluorescent substrates to provide images that can be detected when excited as noted above, which images can be provided on articles such as security documents, currency, and lottery tickets.

Abstract: This invention relates to a novel method and a device for quantitative concentration measurements of protein bound and middle sized uremic toxins and advanced glycation end-products in the biological fluids, preferably in the spent dialysate. Invention combines unique spectral ranges of fluorescence and absorption to determine concentration of uremic toxins, such as indoxyl sulphate, beta-2-microglobulin and 4-pyridoxic acid in a way that provides significantly higher precision than previously known solutions.

Abstract: A method includes providing a gelant including a cross-linkable polymer, a crosslinking agent and an aqueous fluid, adding one or more fluorescent rare earth elements to the gelant to provide a fluorescent gelant solution in which a fluorescence emission is quenched, and initiating crosslinking of the gelant to form a gel by heating the fluorescent gelant solution. The intensity of the fluorescence emission of the fluorescent gelant solution is monitored as an indicator of gelation status and a gelation point of the gelant may be identified based on the intensity of the fluorescent emission of the fluorescent gelant solution.

Abstract: The present disclosure is directed to an improved methods and systems using autofluorescence of naturally-occurring components in a sample embedded in an embedding medium. Methods and systems are provided for determining an amount of tissue or cell preparation exposed at a surface of an embedded sample, and for preparing a tissue specimen comprising a region of interest (ROI) from an embedded sample. Methods and systems are also provided for imaging a sample of a biological tissue, and for identifying different cell types in an embedded tissue sample.

Abstract: There is described a method for performing a Raman spectroscopy measurement on a sample. The method generally has sequentially illuminating an area of said sample with first and second excitation signals, said first excitation signal being slightly spectrally spaced-apart from said second excitation signal, resulting in said area sequentially emitting first and second emission signals; upon receiving said first emission signal, measuring a first intensity value being indicative of optical intensity of said first emission signal within at least a detection band; upon receiving said second emission signal, measuring a second intensity value being indicative of optical intensity of said second emission signal within said detection band; and performing said Raman spectroscopy measurement by comparing said first intensity value to said second intensity value.

Abstract: A test strip detecting system includes a test strip, a test strip detecting carrier and a mobile communication apparatus. The test strip detecting carrier includes a container structure, positioning markers and colorimetric calibrating blocks, and the colorimetric calibrating blocks are embedded inside the positioning markers. The test strip is placed in the container structure and reacts with a specimen to generate color blocks. The mobile communication apparatus controls an image capture unit to capture an original image of the test strip placed in the test strip detecting carrier; detects the positioning markers in the original image to obtain a plurality of coordinates of the positioning markers; performs image coordinate calibration according to the plurality of coordinates to generate a calibrated image; and performs a colorimetric calibration for the color blocks and the colorimetric calibrating blocks according to the calibrated image so as to generate a test result.

Abstract: Nephelometric measuring devices are described. The nephelometric measuring devices can be configured such that an amount of scattered light having different pathlengths impingent upon one or more scattered-light detectors from a beam propagating through a suspension can result in substantially equivalent sensitivity and in correlation between the scattered-light detectors' response and a turbidity value of the suspension. The response of the scattered-light detector(s) receiving scattered light at a nephelometric angle of 85-110° from a beam of light propagating through the suspension can be in accordance to an equation selected from a group of non-linear equations where: x/y=aoxn+ ++a2x2+aix+ao; where “n” is an integer greater than 0; “x” is equal to the turbidity value of the suspension; “y” is equal to the response of the scattered-light detector; and “an” are calibration coefficients.

Abstract: An optical device 1 includes: an optical element block 10 including optical elements that form an optical path P of light used for optical measurement, arranged around a measurement subject S so that the optical path P intersects the measurement subject S; and a rotation mechanism 20 configured to change an angle of the optical element block 10 relative to the measurement subject S so that the total length of the portion of the optical path P coincident with the measurement subject S changes.

Abstract: Systems and methods here may be used for a setup of image capturing of a gemstone, such as a diamonds that are of high clarity grades. The present embodiments can provide methods to capture a diamond surface and internal clarity features from a diamond table and through and of other facets. Systems and methods may be used to convert gemstone dimension information into azimuth, slope, and distance information and adjust the motorized stage accordingly for surface imaging. Further, a calibration method can consider the offsets between design and actual system alignment. A calibration process can be used to compensate the offsets. Further, an additional conversion can be derived to compensate the offset caused by the geometry of the gemstone. The methods can automatically capture surface reflection images on facets of the gemstone and internal features taken through facets of the gemstone.

Abstract: This disclosure provides more effective and/or efficient techniques for detecting faults with physical components using an example of selectively causing output of light into a cover and capturing an image of the cover to determine whether the light is visible in the image. Some techniques are described herein for detecting misalignment of one or more physical components (e.g., a cover or a camera). Other techniques are described herein for detecting contaminants (e.g., substances at or near a surface of a physical component and/or a physical change to the physical component, such as a deformation or a crack of the cover) affecting data captured by a sensor.

Abstract: This disclosure provides more effective and/or efficient techniques for detecting faults with physical components using an example of selectively causing output of light into a cover and capturing an image of the cover to determine whether the light is visible in the image. Some techniques are described herein for detecting misalignment of one or more physical components (e.g., a cover or a camera). Other techniques are described herein for detecting contaminants (e.g., substances at or near a surface of a physical component and/or a physical change to the physical component, such as a deformation or a crack of the cover) affecting data captured by a sensor.

Abstract: A device for inspecting a foil-type transparent object. The device has a camera and at least one light source. The light source is arranged such that the electromagnetic radiation emitted by the light source illuminates a line-shaped area of a first surface of the object from above or a second surface of the object from below. The illumination is at a predetermined angle (?) to the respective illuminated surface. The camera is arranged to detect the intensity of the back-reflected electromagnetic radiation in at least a portion of the line-shaped area. The predetermined angle (?) is less than or equal to 15° and the electromagnetic radiation emitted by the light source (20) is predominantly linear and s-polarized. Also a method of inspection.

Abstract: Methods and systems for calibrating simulated measurement signals generated by a parametric measurement model are described herein. Regression on real measurement signals is performed using a parametric model. The residual fitting error between the real measurement signals and simulated measurement signals generated by the parametric model characterizes the error of the parametric model at each set of estimated values of the one or more floating parameters. Simulated measurement signals are generated by the parametric model at specified values of the floating parameters. A residual fitting error associated with the simulated measurement signals generated at the specified values of the floating parameters is derived from the residual fitting errors calculated by the regression on the real measurement signals. The simulated measurement signals are calibrated by adding the residual fitting error to the uncalibrated, simulated measurement signals.

Abstract: Provided is a defect analysis device which may include a light source that irradiates an analysis target layer of an element with light, a position adjuster that adjusts a position in the analysis target in the analysis target to be irradiated with the light, a detector that measures a current value of current flowing between a source area of the element electrically connected to one end of the analysis target layer and a drain area of the element electrically connected to the other end of the analysis target layer in the element, and an analyzer that acquires quantitative data related to a defect in the analysis target layer on the basis of the current value in which, in a first mode, a plurality of areas of the analysis target layer are sequentially irradiated with the light.

Abstract: A dielectric spectroscopy measuring device includes a signal generation unit that generates electromagnetic waves, a signal separation unit that separate the electromagnetic waves according to a transmission direction and outputs the separated electromagnetic waves to an output destination corresponding to the transmission direction, a changeover switch unit that receives the electromagnetic waves generated by the signal generation unit via the signal separation unit, switches an output destination, and outputs the received electromagnetic waves, and outputs electromagnetic waves returning from the output destination to the signal separation unit, a sensor unit that irradiates a measurement target with the electromagnetic waves output by the changeover switch unit, and outputs measurement target waves obtained by irradiation to the changeover switch unit, a calibration standard unit including a circuit for calibration standard, the circuit outputting reflected waves for calibration generated by receiving the

Abstract: An X-ray radiation imaging system is for imaging a tubular object. The X-ray radiation imaging system may include an enclosure, and a motorized base configured to rotate the tubular object within the enclosure. The X-ray radiation imaging system may further include an X-ray source adjacent the motorized base. The X-ray source may be configured to irradiate the tubular object with X-ray radiation while the motorized base rotates the tubular object. The X-ray radiation imaging system may also include an X-ray detector adjacent the tubular object, and the X-ray detector may receive the X-ray radiation from the tubular object. The X-ray radiation imaging system may include a processor coupled to the X-ray source and the X-ray detector and configured to generate an image of the tubular object.

Abstract: An X-ray phase imaging apparatus includes an X-ray source; a detector; a plurality of gratings; a rotation mechanism; an image processor configured to generate a phase contrast image and to generate a preview image prior to capture of the phase contrast image; and a controller configured to control function of displaying on a display the preview image, and function of discriminatively displaying on the display an image coverage area for the phase contrast image that is associated with a relative rotation angle between the plurality of gratings and a subject.

Abstract: An X-ray phase imaging apparatus includes a control device configured or programmed to make a notification prompting a user to update or generate a corresponding second X-ray image when determining that a decrease in an image quality of an X-ray phase contrast image generated based on a first X-ray image obtained by imaging a subject and a second X-ray image obtained by imaging without the subject arranged does not fall within a predetermined allowable range and/or determining that the second X-ray image associated with an imaging condition has not been stored.

Abstract: A method for scanning a target object is provided. The method includes generating a scanning path including source poses at which a target object is scanned by a scanning source. The method also includes moving the target object along the scanning path and emitting a beam towards a region of interest (ROI) on the target object at each source pose. The method further includes receiving data characterizing the ROI based on the emitted beam and generating scanning data representing a geometrical position and an orientation of the ROI of the target object for each source pose. Pose information can be extracted based on the source poses and a 3D model of the target object can be reconstructed using the pose information and the scanning data and provided for display. Related systems and non-transitory computer readable mediums are also provided.

Abstract: A method may include generating, via radiation, an image representing an object; determining physical properties of the object; and associating determined physical properties of the object with one or more of: the image generated by the X-ray scanner system, a segmented image from the image generated by the X-ray scanner system, or a passenger identifier.

Abstract: A defect inspection system includes an X-ray generator that generates X-ray to be irradiated to a structure, and an X-ray detector that detects the X-ray generated by the X-ray generator and transmitted through the structure. In particular, the X-ray generator is configured to be moved by a first transporting means, and the X-ray detector is configured to be moved by a second transporting means. The system further includes a control unit configured to control and operate the first transporting means and the second transporting means.

Abstract: A method for determining parameters of nanostructures, wherein the method includes steps as follows: Firstly, an X-ray reflection intensity measurement curve of a nanostructure to be tested is obtained by radiating the nanostructure to be tested with X-ray. The X-ray reflection intensity measurement curve is compared with an X-ray reflection intensity standard curve to obtain a comparison result. Subsequently, at least one parameter existing in the nanostructure to be tested is determined according to the comparison result.

Abstract: A process for determining the type of a diamond having spin properties and physical properties, said process including the steps of: (i) determining the spin properties of a diamond of unknown type, using optically detected magnetic resonance to measure the spin properties of said diamond of an unknown type, wherein the spin properties are indicative of the physical properties of the diamond; (ii) comparing the spin properties of said unknown diamond with the spin properties of a plurality of diamonds of known types; and (iii) determining the type of said diamond of unknown type upon a predetermined threshold of correlation between the spin properties of said diamond of unknown type with the spin properties of a diamond of known type of said plurality of diamonds known types.

Abstract: Disclosed is a thermal conductivity measuring device including a sample fixing member that fixes a sample, an elastic member that presses the sample fixed to the sample fixing member downwards, and first auxiliary heat emitting part that is spaced apart from the sample fixing member upwards while the elastic member being interposed therebetween.

Abstract: A method for measuring degradation of a thermal resistance between a power semiconductor and a heat sink of a power module assembly where the power semiconductor has an internal gate resistance, including measuring a first initial parameter related to the power semiconductor junction temperature, and heating the internal gate resistance and measuring a second initial parameter, related to the junction temperature after the heating, after discrete time intervals during the lifetime of the power module assembly measuring a first subsequent parameter related to the power semiconductor junction temperature heating the internal gate resistance and measuring a second subsequent parameter, related to the junction temperature after the heating, and calculating a thermal resistance degradation, ?RTh with the subsequent parameters related to junction temperature and the initial parameters and raising a fault flag in case ?RTh is above a limit value.

Abstract: Provided is a method and apparatus for the identification of one or more liquid and/or gaseous components in a fluid using Electrochemical Impedance Spectroscopy with a wide range of frequencies. In the preferred embodiment the method of measuring the concentration and/or constituents of a sample including heavy metal ions, uses two or more frequency bands. The measurements from the first frequency band are combined with measurements in the second frequency band such that the concentration of a certain constituent is established in real time (or near real time). A-priori knowledge is used in the combination, and the a-priori knowledge is related to measurements of certain materials at earlier times.

Abstract: A non-invasive time domain reflection probe calibration method includes: using different volume ratio of ethanol and deionized water mixed solution to calculate a test target's medium weight coefficient and waveguide length of the non-invasive time domain reflection probes; using different concentrations of NaCl solutions to calibrate a waveguide geometric dimensioning of the non-invasive time domain reflection probes; preparing compacted soil samples with known different moisture contents and densities, and calibrating a correlation parameter of compacted soil samples' dielectric constant and conductivity with moisture content and density. The method not only determines the sensitivity of the test target medium of the non-invasive time domain reflection probes, but also obtains the waveguide length and geometric dimensioning of the probe, and realizes an accurate test of moisture content and density of the soil.

Abstract: A sensor for detecting a target pathogen (e.g., a virus or a bacterium) in a specimen is disclosed, which includes at least two sensing units one of which is configured to detect at least one protein (such as a structural protein) associated with the target pathogen and another one is configured to detect at least one genetic component (e.g., an RNA or a DNA segment) associated with that pathogen (e.g., an RNA segment that is unique to that pathogen).

Abstract: In an electrochemical gas sensor (10), a first sensing element (21) is stored in a first storage portion (31). A moisture permeable film (24) is disposed in a first introduction inlet (31A) of the first storage portion (31). The moisture permeable film (24) substantially prevents a to-be-detected gas from permeating therethrough. A second sensing element (22) is disposed in a space into which water vapor and the to-be-detected gas contained in a target gas flow. In such a configuration, the electrochemical gas sensor (10) is capable of detecting a to-be-detected gas having a concentration of 0 or more and 1 ppm or less.

Abstract: Various example embodiments described herein relate to a sensor assembly. The sensor assembly includes a first sensor cover and a second sensor cover. The first sensor cover is disposed on a first end of the sensor assembly and the second sensor cover is disposed on a second end of the sensor assembly. The first sensor cover defines a first capillary and the second sensor cover defines a second capillary therethrough. The sensor assembly further includes a first sensing unit, a second sensing unit, and a filter. The first sensing unit and the second sensing unit are disposed between the first sensor cover and the second sensor cover. In some example embodiments, the filter is reactive to a target gas and thereby prevents an inflow of the target gas through the second capillary into the sensor assembly.

Abstract: An IC structure includes a biologically sensitive field-effect transistor (BioBET) in a semiconductor substrate, and a dielectric layer over a backside surface of the semiconductor substrate. The dielectric layer has a sensing well extending through the dielectric layer to a channel region of the BioFET. The IC structure further includes a biosensing film, a plurality of fluid channel walls, and a first heater. The biosensing film lines the sensing well in the dielectric layer. The fluid channel walls are over the biosensing film and define a fluid containment region over the sensing well of the dielectric layer. The first heater is in the semiconductor substrate. The first heater has at least a portion overlapping with the fluid containment region.

Abstract: An embodiment provides a method for measuring an amount of total organic fluoride content of a PFAS containing sample, including: placing a sample comprising a PFAS compound in a measurement device, wherein the measurement device comprises an oxidation cell and a non-oxidation cell, wherein the oxidation cell comprises a boron-doped diamond electrode; measuring, using the measurement device, an amount of total inorganic fluoride of the sample before an oxidation; applying an electrical potential to a portion of the sample in the oxidation cell, wherein the electrical potential oxidizes the PFAS compound; measuring, using the measurement device, an amount of total organic fluoride of the sample after the oxidation to provide a measurement signal of the total organic fluoride; and determining a first derivative of the measurement signal of the total organic fluoride. Other aspects are described and claimed.

Abstract: Provided are a sample analysis method comprising: separating hemoglobin in a sample from the sample comprising the hemoglobin, in an alkaline solution by capillary electrophoresis, wherein the alkaline solution comprises a cationic polymer having a secondary amino group and a quaternary ammonium base.

Abstract: First product ion spectrum data is acquired by dissociating a precursor ion derived from a sample component by collision between the precursor ion and an inert gas molecule to generate product ions, and detecting the product ions after separating the product ions according to a mass-to-charge ratio; second product ion spectrum data is acquired by dissociating the precursor ion by a reaction of the precursor ion with hydrogen radicals to generate product ions, and detecting the product ions after separating the product ions according to a mass-to-charge ratio; and a set of product ions having a predetermined mass difference is extracted in the first product ion spectrum data and the second product ion spectrum data.

Abstract: Disclosed is an eddy current flaw detection system based on a NV (nitrogen-vacancy) color center quantum sensing technology, relating to the technical field of quantum sensing. The system includes a laser transceiver processing unit, a quantum sensor, an excitation coil, a power supply unit, a microwave coil, and a microwave unit. The diamond NV color center precision measurement technology and the eddy current nondestructive flaw detection technology are combined in accordance with the present disclosure. Compared with the traditional technology, the remarkable performance of the diamond NV color center can improve the accuracy of eddy current nondestructive flaw detection and achieve the accurate detection of fine crack defects. Meanwhile, a detection method for an alternating current magnetic field is designed according to the characteristics of the eddy current nondestructive flaw detection.

Abstract: A tool for eddy current inspection is configured to be used with an inspection device, and includes one or more guides, wherein the, or each, guide is a disc, which may be a plastic disc. Each disc includes an adhesive on one of its surfaces, the adhesive being a detachable adhesive, i.e., it is a weak adhesive that allows removal of the disc after inspection and re-use of the disc again at another fastener position.

Abstract: A molecular sensor includes: a base; and a sensitive film provided above the base and containing a metal organic framework and a hydrophobic polymer, a contact angle respect to water of the hydrophobic polymer being larger than that of the metal organic framework. The metal organic framework is on the base side of the sensitive film, and the hydrophobic polymer is above the metal organic framework in the sensitive film.

Abstract: A detection method based on a battery defect detection system, a system and a storage medium are disclosed. The detection method includes: acquiring a scanning trigger signal, and controlling an ultrasonic transceiver and a motion control platform to work, so that the ultrasonic transceiver receives waveform data of ultrasonic waves passing through a cell; controlling an oscilloscope to collect the waveform data; receiving the waveform data and performing imaging processing to obtain an imaging diagram; and detecting whether or not the cell has a defect according to the imaging diagram.

Abstract: A vibration test device (100) is a vibration test device for testing vibration of a pipeline (10) attached to a structure. The vibration test device includes a plurality of support members (101a, 101b) that are joined to a wall surface with a predetermined gap therebetween and support the pipeline, a first fixing member (102a) that fastens the pipeline to a first support member at a position where one end of the pipeline protrudes from the first support member, a second fixing member (102b) that fastens the pipeline to a second support member at a position where another end of the pipeline protrudes from the second support member, a vibration-applying portion (103) that applies vibration force to one of the support members, a detection unit (104) that detects vibration of the pipeline, and a measurement unit (105) that measures a vibration characteristic of the pipeline.

Abstract: An ultrasonic probe holder includes a probe holder frame, an arc plate, a follower plate, and a plurality of contacts. The frame can have at least one aperture extending therethrough, open in the downward direction, and defining an open lower end of the frame. The arc plate can be positioned within the aperture, extend between opposed, curved lateral edges, and couple to the frame. The follower plate can be mounted to a lower end of the arc plate and include arms extending laterally outward from a vertical axis in the plane of the arc plate. The contacts can be slidably mounted to the arms of the follower plate and extend in the vertical direction. The arc plate can be constrained in the plane of the frame and to pivot with respect to the frame in response to vertical movement of one or more of the plurality of contacts.

Abstract: A UNDT Device (1) comprising a dual EMAT/laser-pulse matrix array for scanning ultrasonically and for identifying discontinuities (D) in a conductive metal object (2), which device comprises a) a Pulsed Laser Input Source (4) that produces a Pulsed Laser Input Beam (ILB); b) a Matrix Multi Beams Laser Transmitter comprising i) mechanical Beam-Steering Means (17, 17a) configured to be struck by the Laser Input Beam (ILB) and to periodically diffract it into Secondary Laser Beams (18, 18a, 18b, 18c); and ii) Mechanical Beam-Leaping Means (19) intended to be struck by the Secondary Laser Beams and to periodically diffract them into n Pulsed Laser Output Beams (OLBk) and to focus these onto n Pulse Points (SPk) located at the centre of n Pulse Cells (EPk) of a periodic Laser Pulses Array (LEA); and c) a Receivers Assembly (SE) made up of EMAT Receivers (Emi) that are organised into n Sensors Groups (SGi) that are arranged in n Detection Cells (RWi) of a periodic EMAT Receivers Array (ERA).

Abstract: A method including providing an acoustic resonator having an absorption element with a surface portion, providing a sample fluid or a fluid mixture containing the sample fluid with at least one absorption fluid or particles such that the acoustic resonator is filled with the same, the surface portion of the absorption element being in contact with the sample fluid. Irradiating the surface portion of the absorption element with a first electromagnetic radiation such that the absorption element at least partly absorbs the first electromagnetic radiation in the region of the surface portion, or irradiating the fluid mixture with a first electromagnetic radiation such that the absorption fluid or the absorption particles at least partly absorb(s) the first electromagnetic radiation, and so, by way of the absorption, pressure energy is generated in the sample fluid or the fluid mixture, with the first electromagnetic radiation being amplitude modulated or frequency modulated with a modulation frequency.