Abstract: The present disclosure relates to the use of X-ray detector cassettes that may be abutted or overlapped to form a detector assembly suitable for imaging objects that are too large to image using a single X-ray detector cassette. Such a detector assembly may be customized in terms of the size and/or shape of the field-of-view (FOV). In certain embodiments the radiation-sensitive electronics (e.g., readout electronics) are positioned to the side of the X-ray detecting components (e.g., scintillator, TFT array, and so forth), allowing the cassette to be thin relative to other detector devices and allowing the electronics to remain outside the X-ray beam path.

Abstract: An opto-mechanical apparatus including a hollow housing member having a first end and a second end, the housing member having a longitudinal axis, a parabolic mirror positioned on a side of to the first end of the housing member, and a mirror adjustment mechanism attached to the second end of the housing member, the mirror adjustment mechanism connected to the parabolic mirror through the housing member, the mirror adjustment mechanism configured to adjust an axial position of the parabolic mirror along the longitudinal axis and to adjust a radial position of the parabolic mirror about the longitudinal axis.

Abstract: A method, apparatus and computer program product are provided to determine the fluorescence lifetime in an efficient manner. In the context of a method electric charge generated by fluorescence emission during two overlapping time periods of a single measurement cycle is stored to form first and second measures. The electric charge generated during that segment of the two time periods during which the two time periods overlap is incorporated in the first measure and in the second measure. The method also includes determining a fluorescence lifetime based at least in part upon the first and second measures.

Abstract: Disclosed is a calibration phantom for an x-ray imaging system having an x-ray source and an x-ray detector. The calibration phantom includes a combination of geometric objects of at least three different types and/or compositions including: a first object located in the middle, including a first material; a plurality of second objects arranged around the periphery of the first object, at least a subset of the second objects including a second material different than the first material, wherein the first object is relatively larger than the second objects; a plurality of third objects arranged around the periphery of the first object and/or around the periphery of at least a subset of the second objects, at least a subset of the third objects including a third material different than the first material and the second material, wherein the third objects are relatively smaller than the second objects.

Abstract: A method of normalizing detector elements in an imaging system is described herein. The method includes a line source that is easier to handle for a user, and decouples the normalization of the detector elements into a transaxial domain and an axial domain in order to isolate errors due to positioning of the line source. Additional simulations are performed to augment the real scanner normalization. A simulation of a simulated line source closely matching the real line source can be performed to isolate errors due to physical properties of the crystals and position of the crystals in the system, wherein the simulated detector crystals are otherwise modeled uniformly. A simulation of a simulated cylinder source can be performed to determine errors due to other effects stemming from gaps between the detector crystals.

Abstract: A method for tracking and irradiating a target using a radiotherapy apparatus, a device and a radiotherapy apparatus are provided. The radiotherapy apparatus includes a first ray source, a second ray source, and at least one detector. The method includes: moving the first ray source to a first location to emit a ray beam; receiving the ray beam emitted from the first ray source at the first location and generating first image data of a target according to the received ray beam, by the detector; and adjusting the second ray source according to the first image data to make the second ray source move to the first location and an emitted ray beam pass through the target, wherein a time taken for the second ray source to move to the first location is a positive integer multiple of a preset respiratory period of a patient.

Abstract: There is described an electronic device testing system for testing an electronic device having a substrate on which is printed a metamaterial structure using an ink. The electronic device testing system generally has: a terahertz radiation emitter configured to emit an incident terahertz radiation beam to be incident on the metamaterial structure of the substrate, the incident terahertz radiation beam having power at least at the terahertz resonance frequency of the metamaterial structure; a terahertz radiation receiver configured to receive an outgoing terahertz radiation beam outgoing from the metamaterial structure and to measure an amplitude of an electric field of the outgoing terahertz radiation beam at least at the terahertz resonance frequency; and a controller configured to determine a conductivity value indicative of a conductivity of the ink based on said amplitude of the electric field of the outgoing terahertz radiation beam.

Abstract: The present invention relates to a gantry of a CT scanning device comprising: a first housing having a first bore; a second housing having a second bore, disposed opposite to the first housing, wherein there is a gap between the first bore and the second bore, as a ray scanning bore; a scan window assembly comprising an annular window body having an inner surface and an outer surface, the scan window assembly being engaging-locked with the first housing and the second housing and sealing and covering the ray scanning bore. In this way, the engaging-lock can restrict deformation of the annular window body when an external force is applied on the scan window assembly, and the sealing can prevent liquid in the first and second housing from leaking out and prevent liquid inside the scan window assembly from leaking into the first and second housing.

Abstract: The present disclosure relates to the field of a cabinet x-ray incorporating an x-ray tube, an x-ray detector, and an optical camera for the production of organic and non-organic images. The computing device receives data including video data from an optical camera, a laser detector, an infrared detector, an ultrasonic detector, or a weight scale or pressure sensor, and determines automatically, based on the resultant data, if a sample/specimen has been left in the sample chamber. In particular, the disclosure relates to a system and method with corresponding apparatus for automatic detection if a sample/specimen has been left in the sample chamber without having to open the chamber door.

Abstract: A method of controlling an X-ray image capturing apparatus, including acquiring, using a camera, a first image by photographing a detector configured to receive X-rays emitted from an X-ray emission surface, generating a second image by performing a correction on the first image, wherein the correction includes changing a first detector shape in the first image to match a second detector shape photographed in a direction perpendicular to the X-ray emission surface, and displaying the second image.

Abstract: A user identification and contaminant detection system for a portable computer with the computer having a camera, an integral screen and central processing unit (CPU; a. an enclosure having at least one grasper disposed for coupling the system to the portable computer; b. a light emitter capable of generating light of with least one excitation wavelength for a contaminant present in its output spectrum with output of the emitter oriented into the field of view of the camera; c. electronic communication between the computer and the emitter; c.

Abstract: A fluorescent screen is configured to convert an X-ray into visible light to one embodiment. The screen includes a gadolinium oxysulfide phosphor activated with praseodymium and cerium. The phosphor contains praseodymium having a concentration of 0.01 mass % or more and 0.3 mass % or less and cerium having a concentration of 5 ppm or more and 30 ppm or less. An average particle diameter of the phosphor is 10 ?m or more and 20 ?m or less. A weight per unit area of the phosphor is 270 mg/cm2 or more and 380 mg/cm2 or less.

Abstract: A neutron detector including a plurality of layers of converter material and a plurality of layers of detector material. Each layer of converter material can be immediately adjacent to at least one layer of detector material and each layer of detector material can be immediately adjacent to at least one layer of converter material. The neutron detector may further include a read out integrated circuit (ROIC) that is electrically coupled to the plurality of layers of detector material. A value output by the ROIC may be indicative of a neutron interacting with a layer of converter material from amongst the plurality of layers of converter material.

Abstract: A radiation imaging system is provided. The system comprises: an imaging unit including a plurality of pixels configured to generate a radiation image and a detection unit configured to detect incident radiation to perform exposure control; an irradiation control unit configured to control radiation irradiation by a radiation source, an obtainment unit configured to obtain a delay time of communication between the imaging unit and the irradiation control unit; and a determination unit. The determination unit determines, based on a radiation irradiation condition set by an operator and the delay time obtained by the obtainment unit, whether to permit imaging by exposure control using a signal output from the detection unit.

Abstract: Embodiments of the present invention provide a method and system for processing microscopy images to enable localisation analysis of high density raw data, and thereby achieve higher spatial resolution than would otherwise be the case. This is achieved by exploiting temporal redundancies in the image data resulting from close-to emitters that would otherwise be resolved as a single emitter were they to emit or fluoresce at the same time, but which, by virtue of emitting or fluorescing at slightly different (yet potentially overlapping) times, can be subject to temporal filtering by different filters of different temporal bandwidth to resolve the two emitters. Effectively, the different temporal filters have different time constants which work together to effectively highlight the different emission or fluorescence times of the two emitters, to thereby allow the two close-to emitters to be separately resolved.

Abstract: A radiation imaging system includes a plurality of radiation imaging apparatuses each of which includes a radiation detecting unit that performs an imaging operation for capturing a radiation image based on radiation radiated from a radiation generating apparatus, a control apparatus that communicates with the plurality of radiation imaging apparatuses, a calculation unit that calculates information indicating whether a part or all of pixels of the radiation image are saturated, and an image acquiring unit that acquires a radiation image from a radiation imaging apparatus selected from among the plurality of radiation imaging apparatuses based on the information.

Abstract: An imaging device includes: a scintillator layer; and an array of photodiode elements; wherein the scintillator layer is configured to receive radiation that has passed through the array of photodiode elements. An imaging device includes: a scintillator layer having a plurality of scintillator elements configured to convert radiation into photons; and an array of photodiode elements configured to receive photons from the scintillator layer, and generate electrical signals in response to the received photons; wherein at least two of the scintillator elements are separated by an air gap. An imaging device includes: a first scintillator layer having a plurality of scintillator elements arranged in a first plane; and a second scintillator layer having a plurality of scintillator elements arranged in a second plane; wherein the first scintillator layer and the second scintillator layer are arranged next to each other and form a non-zero angle relative to each other.

Abstract: A contaminant detection system for a portable computer with the computer having a camera, an integral screen and central processing unit (CPU; a. an enclosure having at least one grasper disposed for coupling the system to the portable computer; b. a light emitter capable of generating light of with least one excitation wavelength for a contaminant present in its output spectrum with output of the emitter oriented into the field of view of the camera; c. electronic communication between the computer and the emitter; c. software loaded onto the computer capable of (1) activating the emitter, (2) comparing a scene recorded by the camera to at least one emission wavelength for the specific contaminant corresponding to the excitation wavelength, and (3) displaying an output on the computer's screen corresponding to the areas within the camera's field of view where the contaminant is present in amounts greater than a detection threshold.

Abstract: In a radiographing apparatus, a buffer material is arranged between a support base and a side wall portion to which an incidence surface (first surface) of a casing that is positioned on an incident side of radiation R, and a back surface (second surface) of the casing that is opposite to the incidence surface are bonded, the support base is provided with a first protruding portion protruding toward the back surface, the casing is provided with a second protruding portion protruding from the back surface toward the support base, and the following relationship is satisfied: distance X<distance Y, where a distance between the buffer material and the support base is a distance X, and a distance between the first protruding portion of the support base and the second protruding portion of the casing is a distance Y.

Abstract: The disclosure provides methods of measuring an intrinsic CO ratio in a geological formation by disposing, proximate the formation, a petrophysical tool including at least one gamma-ray detector, reading a carbon gamma-ray peak for the geological formation and an oxygen gamma-ray peak for the geological formation, determining a measured CO ratio of the geological formation from the carbon gamma-ray peak and the oxygen gamma-ray peak, and correcting the measured CO ratio by applying a corrective algorithm specific for the petrophysical tool or the type of petrophysical tool to obtain an intrinsic CO ratio of the geological formation. The corrective algorithm is derived by a mathematical analysis of measured CO ratios of a sample with a known intrinsic CO ratio using the same petrophysical tool or a petrophysical tool representative of a same type of petrophysical tool. Additional methods and systems using this method are provided.