Abstract: An analyzer analyzes a measurement sample on the basis of spectrum data obtained by irradiating light to the measurement sample. The analyzer includes a main analysis part, a correlation data storage part and a concentration calculation part. The main analysis part calculates a concentration of a predetermined hydrocarbon component contained in the measurement sample on the basis of the spectrum data of the measurement sample. The correlation data storage part stores therein a plurality of correlation data each indicating a correlation between a concentration of the predetermined hydrocarbon component or the spectrum data and a THC concentration. The concentration calculation part selects at least one correlation data from among a plurality of correlation data stored in the correlation data storage part according to the concentration of the predetermined hydrocarbon component, and calculates a concentration of the total hydrocarbon components in the measurement sample by using correlation data thus selected.

Abstract: Disclosed herein is a radiation detector comprising: an electronics layer comprising a first set of electric contacts and a second set of electric contacts; a radiation absorption layer configured to absorb radiation; a first set of electrodes and a second set of electrodes, wherein the first set of electrodes and the second set of electrodes are interdigitated and extend into the radiation absorption layer in a direction of thickness thereof; wherein the electronics layer and the radiation absorption layer are bonded such that the first set of electrodes are electrically connected to the first set of electric contacts and the second set of electrodes are electrically connected to the second set of electric contacts.

Abstract: A radiation detector comprising a semiconductor radiation sensing surface having N radiation sensing surface segments of equal size, each radiation sensing surface segment being connected to a respective sensor circuit that outputs one of N output analog signals in response to radiation of a first type impinging on the radiation sensing surface segment connected to the sensor circuit; and a signal processor arrangement having N signal processing circuits that each receive and process one of said N first analog signals, where N is an integer larger than 1.

Abstract: A radiation detector (100) adapted for detecting leakage currents is disclosed and comprises a direct conversion material (101) for converting incident radiation, at least one first electrode (108) and a plurality of second electrodes (103) connected to surfaces of the direct conversion material (101) for collecting each generated charges upon application of an electric field, at least one current measurement device (201), and a plurality of signal processing chains (210, 220, 230). Each signal processing chain comprises a readout unit (215, 216, 217, 218, 219) for discriminating between energy values with respect to the incident radiation, and a switching element (214) for sending signals on a first signal path (2141) electrically connecting one of the plurality of second electrodes with the readout unit, or on a second signal path electrically connecting the one of the plurality of second electrodes with an input to one of the at least one current measurement devices.

Abstract: There is provided a design of a device consisting of a patterned semiconductor material to provide enhanced detection bandwidth and efficiency of terahertz (THz) pulses with an electro-optic sampling. One device has a semiconductor crystal having a patterned grating on a surface of the semiconductor. In a system, there could optionally be a quarter-wave plate after the semiconductor crystal, followed by a prism. A pair of balanced photodiodes can optionally be provided after the prism. A pulse laser having a NIR beam and THz beam is sent through the semiconductor crystal to the quarter-wave plate to the prism to the photodiodes, wherein the patterned grating on the semiconductor crystal diffracts the NIR beam while the THz remains unaffected. The photodiodes can detect the result.

Abstract: According to one embodiment, a radiation detector includes a photo-electric conversion substrate, a scintillator layer containing a main material and a dope material and a light reflective layer or a moisture barrier layer, formed on a front surface side of the scintillator layer along a shape of the front surface of the scintillator layer. The scintillator layer includes a mixed layer portion formed of the main material the dope material on the photo-electric conversion substrate, and a dope material layer portion formed of only the dope material on a front surface side of the mixed layer portion. A front surface of at least the dope material layer portion is formed into relatively coarse shape compared to the mixed layer portion.

Abstract: An enhanced fluorescence imaging system includes a light source for emitting non-visible and visible light and a visible light image sensor and a non-visible light image sensor. Each pixel of the visible light image sensor corresponds to a pixel of the non-visible light image sensor. Data processing hardware performs operations that include, for each pixel in the visible light image sensor, determining an intensity of visible light received by the pixel. The operations also include determining, based on the intensity, an amount of unwanted non-visible light captured by the corresponding pixel of the non-visible light image sensor. The unwanted non-visible light originates from sources other than the non-visible light source. The operations also include reducing an intensity of non-visible light in non-visible image data captured by the corresponding pixel based on the determined amount of unwanted non-visible light.

Abstract: A product includes a transparent scintillator material, a beta emitter material having an end-point energy of greater than 225 kiloelectron volts (keV), and a photovoltaic portion configured to convert light emitted by the scintillator material to electricity.

Abstract: Methods and systems for detecting a three-dimensional position of a scintillation event converting a radiation into a light. For example, a system includes a crystal array including a plurality of crystal elements, a light sensor array including a plurality of light sensors, a first crystal pair of the plurality of crystal pairs corresponds to a first light sensor pair of the plurality of light sensor pairs; a second crystal pair of the plurality of crystal pairs corresponds to a second light sensor pair of the plurality of light sensor pairs; and a third crystal pair of the plurality of crystal pairs corresponds to the first light sensor pair and the second light sensor pair such that a scintillation event in the third crystal pair is detected by both the first light sensor pair and the second light sensor pair.

Abstract: A method of fabricating a semiconductor detector device to exhibit a target sensitivity to incident radiation in a predetermined energy range is described, the method comprising: providing a semiconductor detector; defining on a detector surface of the semiconductor detector a large plurality of pixels; wherein the detector is geometry is controlled with reference to the size of the said pixels such that a single interaction event in the predetermined energy range will produce a detectable signal in each of a plurality of adjacent pixels making up a cluster of at least three pixels. A detector fabricated by such a method and a method of obtaining spectral information about incident radiation using such a detector are also described.

Abstract: A radiation detector includes a halide semiconductor sandwiched a cathode and an anode and a buffer layer between the halide semiconductor and the anode. The anode comprises a composition selected from: (a) an electrically conducting inorganic-oxide composition, (b) an electrically conducting organic composition, and (c) an organic-inorganic hybrid composition. The buffer layer comprises a composition selected from: (a) a composition distinct from the composition of the anode and including at least one other electrically conducting inorganic-oxide composition, electrically conducting organic composition, or organic-inorganic hybrid composition; (b) a semi-insulating layer selected from: (i) a polymer-based composition; (ii) a perovskite-based composition; (iii) an oxide-semiconductor composition; (iv) a polycrystalline halide semiconductor; (v) a carbide, nitride, phosphide, or sulfide semiconductor; and (vi) a group II-VI or III-V semiconductor; and (c) a component metal of the halide-semiconductor.

Abstract: A dental x-ray sensor holder 1 and sheath 4 for affixing a sensor to a backing plate 2 of the holder 1. The dental x-ray sensor holder 1 and sheath 4 generally includes a sensor holder 1 with a backing plate 2, having one or more spring arms 3, and affixed to or formed contiguously with a proximal end of a bite block 9 of the holder 1. It also includes a sensor sheath adapted to secure a sensor to the backing plate for X-ray acquisition.

Abstract: A device for detecting a defect in an insulating material to be measured, may include a case having a test chamber in which the insulating material is accommodated; a withstand voltage tester applying a voltage to the insulating material accommodated in the test chamber; a plurality of X-ray modules disposed in the test chamber and irradiating X-rays toward different regions or in different directions; and a partial discharge sensor measuring a partial discharge generated from the insulating material accommodated in the test chamber.

Abstract: A scintillator system is disclosed for detecting incoming radiation. The system makes use of a scintillator structure having first and second dissimilar materials. The first dissimilar material emits a first color of light and the second dissimilar material emits a second color of light different from the first color of light. Either one, or both, of the first or second colors of light are emitted in response to receipt of the incoming radiation. A plurality of light detectors is disposed in proximity to the scintillator structure for detecting the first and second different colors of light and generating output signals in response thereto. A detector electronics subsystem is responsive to the output signals and provides an indication of colors emitted by the scintillator structure to infer at least one property of the incoming radiation.

Abstract: An imaging system based on an imaging device and/or a cooling system is provided. The imaging system may include a control module, an imaging device, and/or a cooling system. The imaging device may include a first portion and a second portion. The cooling system may include a cooling module configured to generate a cooling medium, and/or a cooling medium passage configured to spread the cooling medium. The cooling medium passage may belong to a closed loop. At least part of the cooling system may be located within the imaging device such that the cooling medium may be in direct contact with the at least part of the imaging device.

Abstract: Disclosed herein is a radiation detector comprising: an electronics layer comprising a first set of electric contacts and a second set of electric contacts; a radiation absorption layer configured to absorb radiation; a first set of electrodes and a second set of electrodes, wherein the first set of electrodes and the second set of electrodes are interdigitated and extend into the radiation absorption layer in a direction of thickness thereof; wherein the electronics layer and the radiation absorption layer are bonded such that the first set of electrodes are electrically connected to the first set of electric contacts and the second set of electrodes are electrically connected to the second set of electric contacts.

Abstract: An apparatus and a method for analysing samples taken by biopsy, which make it possible to perform the analysis of these samples whilst the patient is still positioned in the position for taking samples, in such a way as to make the overall procedure for taking and analysing the samples faster, reducing the inconvenience for the patient and the risk of a new examination, and also reducing in the majority of cases exposure of the patient to X-rays.

Abstract: A radiation detection device includes a circuit board, a light receiving sensor having a light receiving region and a plurality of circuit regions, an FOP, a scintillator layer, and a plurality of wires. The FOP includes a first portion facing the light receiving region and fixed to the light receiving sensor, a second portion facing the circuit region while separated from the light receiving sensor, and a second portion facing the circuit region while separated from the light receiving sensor. The second portions are integrally formed with the first portion. One end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion, and one end of the wire is connected to the circuit region in a region between the light receiving sensor and the second portion.

Abstract: There is provided a radiation transmissive window having high radiation transmissivity. The radiation transmissive window includes: an outer frame having an opening; a radiation transmissive film closing off the opening; and a grid member that partitions the opening into a plurality of small opening portions. The grid member has a first portion, a second portion at a smaller distance to the center of the opening than the first portion, and a third portion at a smaller distance to the center of the opening than the second portion. The first portion is greater in width than the second portion. The second portion is greater in width than the third portion.

Abstract: A calibration method includes: acquiring eight error models obtained after a preliminary calibration of a Terahertz frequency band system; based on the eight error models, determining a first mathematical model according to a first S parameter related to a first calibration piece, the first mathematical model comprising parallel crosstalk terms between probes, and determining a second mathematical model according to a second S parameter related to a second calibration piece, the second mathematical model comprising series crosstalk terms between the probes; determining a third mathematical model according to a third S parameter related to a measured piece; and solving and obtaining a Z parameter of the measured piece based on the first mathematical model, the second mathematical model and the third mathematical model, and acquiring an S parameter of the measured piece according to the Z parameter of the measured piece.