Abstract: A bracket body releasably secures a compression element to the compression arm of a breast imaging system. A pair of parallel lateral arms extends from a rigid frame which extends from the bracket. A span connects the ends of the lateral arms opposite the bracket and a flexible membrane extends from the span towards the bracket body.

Abstract: This relates to systems and methods for measuring a concentration and type of substance in a sample at a sampling interface. The systems can include a light source, optics, one or more modulators, a reference, a detector, and a controller. The systems and methods disclosed can be capable of accounting for drift originating from the light source, one or more optics, and the detector by sharing one or more components between different measurement light paths. Additionally, the systems can be capable of differentiating between different types of drift and eliminating erroneous measurements due to stray light with the placement of one or more modulators between the light source and the sample or reference. Furthermore, the systems can be capable of detecting the substance along various locations and depths within the sample by mapping a detector pixel and a microoptics to the location and depth in the sample.

Abstract: The present disclosure provides a detector substrate and a flat panel detector, the detector substrate includes a substrate base and detector pixel units on the substrate base, each detector pixel unit includes: a driver circuit; a photoelectric conversion device disposed on a side, away from the substrate base, of the driver circuit, the photoelectric conversion device including at least two photoelectric conversion structures connected in series, a bottom electrode of a first photoelectric conversion structure being electrically connected with the driver circuit, and a top electrode of an nth photoelectric conversion structure being electrically connected with a bottom electrode of an (n+1)th photoelectric conversion structure, with n being greater than or equal to 1; and a bias voltage line on a side of the photoelectric conversion device away from the substrate base, the bias voltage line being electrically connected to a top electrode of a last photoelectric conversion structure.

Abstract: A photon counting detector includes a plurality of detector sub-modules. Each detector sub-module includes a semiconductor substrate. Each detector sub-module also includes a plurality of active pixels configured to act as detector elements disposed on the semiconductor substrate. Each detector sub-module further includes a plurality of traces extending from the plurality of active pixels to readout circuitry. Each active pixel of the plurality of active pixels is coupled to a respective trace of the plurality of traces. Each active pixel includes an amplification stage configured to generate an output signal based on a current pulse output generated by the active pixel. The photon counting detector also includes the readout circuitry configured to directly read out the output signals from the plurality of active pixels, wherein the readout circuitry is separate from the plurality of detector sub-modules.

Abstract: The disclosure provides a detection substrate and a ray detector, the detection substrate including a base substrate, an average atomic number of a material used for the base substrate being less than 30, a ray mass attenuation coefficient of the material used for the base substrate being positively correlated with power of 3-4 of the average atomic number, and the base substrate including a ray incident side; a photodiode on a side of the base substrate, and the side of the base substrate with the photodiode facing away from the ray incident side; and a scintillator layer on a side of the layer of the photodiode away from the base substrate.

Abstract: Air sample chamber designs for improving electrostatic detection of particles by increasing the sensitivity of detecting radon gas in an air sample chamber. Examples includes convex shaped conductive elements disposed around a detector surface within an electrostatic participation detector chamber that form an effective electrostatic lens arrangement that increases an angle from which particles in the chamber are directed to the detector surface, which thereby increases the volume of the chamber above the detector surface from which charged particles can be captured.

Abstract: An X-ray CT apparatus of an embodiment includes a gantry and a control device held by the gantry. The control device includes processing circuitry. The processing circuitry is configured to collect data corresponding to energy of a material, adjust conditions for the data at the time of collecting the data, bundle the data distinguished in some of a plurality of energy bins, aggregate the collected data and the bundled data, and switch between the aggregation of the collected data and the aggregation of the bundled data.

Abstract: A phantom system is disclosed that includes a phantom and at least one removable phantom attachment configured to be attached to the phantom so that the phantom system may have an orientation, location and/or anthropomorphic feature identifiable to an imaging device.

Abstract: There is herein provided a method of identifying an isocentre of a radiotherapy apparatus. The method includes capturing illumination of respective dummy point images at rotational positions of a component of the radiotherapy apparatus at an image capture device mounted on the radiotherapy apparatus and deriving the isocentre from the captured dummy point images.

Abstract: A beating spectroscopy device includes: first and second quantum cascade lasers; a quantum cascade detector; and a sample holder configured to hold a sample on an optical path between the second quantum cascade laser and the quantum cascade detector. Lights from the first and second quantum cascade lasers are detected by the quantum cascade detector while a wavelength of the light from the second quantum cascade laser is changed to scan a frequency of a beating signal having a frequency in accordance with a wavelength difference between the lights from the first and second quantum cascade lasers.

Abstract: A system for radiographic inspection includes a line source that emits a fan shaped beam of x-rays and a linear x-ray detector that detects the fan shaped beam of x-rays. The system further includes a first movable platform that positions the line source to emit the fan shaped beam of x-rays towards the linear x-ray detector. A second movable platform positions the linear x-ray detector to detect the fan shaped beam of x-rays after transmission through the structure or component being inspected. Synchronized movement of the first movable platform and the second movable platform significantly reduces the time of inspection while the fan shaped beam of x-rays minimizes health risks. The system further includes a first filter that blocks x-rays below a first energy threshold, and a second filter that blocks x-rays below a second energy threshold. The filters provide the system the ability to inspect structures and components formed of multiple types of materials, for example, foreign object debris.

Abstract: A bolometer includes a first electrode including a plurality of first extending portions having a plurality of first inner surfaces arranged in an arrangement direction, each of the first inner surfaces extending in an extension direction intersecting the arrangement direction, a second electrode facing the first electrode while being separated from the first electrode in the extension direction, and a sensor including a sensor film and a connection portion, in which the first electrode, the sensor film, and the second electrode are arranged in order in the extension direction, the connection portion extends in the extension direction, is provided between the plurality of first inner surfaces, and electrically connects the plurality of first inner surfaces and the sensor film, and the sensor includes carbon nanotubes.

Abstract: A thermometer system includes a photonic thermometer; and an optomechanical thermometer configured to calibrate the photonic thermometer, thereby making the thermometer system an optomechanically calibrated photonic thermometer.

Abstract: A medical imaging device for use in imaging a subject using both gamma rays and light rays emanating from the subject, the device comprising: separation means to separate gamma rays and light rays emanating from the subject into a gamma ray channel comprising gamma rays and a light ray channel comprising light rays; first sensor means arranged to receive and detect gamma rays from the gamma ray channel and to generate first signals for use in forming a first image of the subject; second sensor means arranged to receive and detect light rays from the light ray channel and to generate second signals for use in forming a second image of the subject; wherein the first sensor means and the second sensor means are arranged to receive gamma rays and light rays, respectively, which propagate from the subject upon substantially coincident paths.

Abstract: Obtaining an X-ray CT image of a biological sample includes a step of penetrating a contrast agent into the biological sample and solidifying the contrast agent to provide a contrast image of the biological sample, the contrast agent comprising wax and having a density of 0.95 g/cm3 or less in its solidified state after penetration into the biological sample, and having a melting point of 40° C. to 80° C., a step of melting and resolidifying the solidified contrast agent, and a step of acquiring an X-ray CT image by irradiating the resolidified biological sample with an X ray having an energy of 4 to 12 keV, the shape of the biological sample being a shape with which a maximum optical path length of the X ray in the biological sample in the step of acquiring an X-ray CT image is 2 mm or less.

Abstract: Systems and methods of automatically generating synthetic X-ray scan data include generating scan data corresponding to a frame holding or supporting an object, wherein the frame and hence the object is manipulated, without manual intervention, to be positioned in a plurality of orientations in three dimensional space. Subsequently, X-ray scan data corresponding to the object is isolated and extracted from the X-ray scan data corresponding to the frame, the X-ray scan data corresponding to the object is adjusted and finally each of the adjusted X-ray scan data corresponding to the object is inserted into X-ray scan data of a cargo container in order to generate a plurality of X-ray scan data of the cargo container embedded with the object.

Abstract: A radiographic inspection device and a method of inspecting an object are provided. The radiographic inspection device includes a support frame, where an inspection space applicable to inspect an object is formed within the support frame, and the inspection space has a first opening connecting to an outside; a transfer mechanism applicable to carry the object to move through the inspection space; a shielding curtain mounted at the first opening; and a driving mechanism mounted on the support frame and configured to drive the shielding curtain to move, so as to open or close the first opening. Since the driving mechanism drives the shielding curtain to rise or fall, it is possible to ensure that the lightweight object for inspection may smoothly enter the inspection space for subsequent radiographic scanning.

Abstract: A radiation imaging apparatus includes a radiation detector, a control circuit board, a support base, a wiring circuit board, and a first shield member. The radiation detector detects radiation and the control circuit board controls the radiation detector. The support base has a first surface and a second surface opposite to the first surface and holds the radiation detector on the first surface and the control circuit board on the second surface. The wiring circuit board connects the radiation detector and the control circuit board to each other at a side surface of the support base. The wiring circuit board has a surface-mount component mounted on the wiring circuit board. The first shield member blocks the radiation and disposed between the surface-mount component and the support base.

Abstract: An imaging control apparatus includes a hardware processor that acquires a first imaging condition set as a imaging condition for a preliminary exposure performed prior to a main exposure that performs an exposure of radiation on a subject, and the hardware processor performs control based on compatibility of the acquired first imaging condition and a second imaging condition input as an imaging condition for the subject.

Abstract: An x-ray based cement evaluation tool for measurement of the density of material volumes within single, dual and multiple-casing wellbore environments is provided, the tool including at least an internal length comprising a sonde section, wherein said sonde section further comprises an x-ray source; a radiation shield for radiation measuring detectors; sonde-dependent electronics; and a plurality of tool logic electronics and PSUs, wherein the tool uses x-rays to illuminate the formation surrounding a borehole and a plurality of detectors are used to directly measure the density of the cement annuli and any variations in density within. Detectors used to measure casing standoff such that other detector responses are compensated for tool stand-off and centralization; a plurality of reference detectors is used to monitor the output of the x-ray source, and a shortest-axial offset detector is configured to distribute incoming photons into energy classifications such that photoelectric measurements may be made.