Abstract: The present disclosure relates to a device for measuring a first analyte concentration and a second analyte concentration in a measuring medium, the device including: a sample cell; a first light source unit; a first detector unit; a functional element; a second light source unit; a second detector unit; and a control unit adapted to analyze a detected first light for determining a first value representing the concentration of the first analyte in the measuring medium and adapted to analyze a detected third light for determining a second value representing the concentration of the second analyte in the measuring medium. A method of using the device is also disclosed.

Abstract: A medical image diagnosis apparatus according to an embodiment includes: a first supporting part, a second supporting part, and one or more columns. The first supporting part is configured to support an imaging system related to imaging a subject to be examined. The second supporting part is configured to support the first supporting part from underneath the first supporting part. The one or more columns are configured to support the second supporting part so as to be movable along a vertical direction.

Abstract: The investigated object containing a source of positrons is placed into a system of n position and energy-sensitive gamma radiation detectors (Di), each having detection elements (Dijk), where one of a pair of annihilation photons interacts in the detection element (D1jk) and the other interacts in another detection element (D2jk). The detectors store the coordinates of simultaneously affected detector elements, the time of interactions and the energies E1 and E2 of the annihilation photons. The recorded events in the detection elements (D1jk) and (D2jk) leads to recognition of individual pairs of annihilation photons. An analysis is performed of the registration of the photons by the detection elements (D1jk) and (D2jk) with energies in the interval from 507 keV to 513 keV to obtain an approximate spatial depiction of positions of positron annihilation and, registration of the photons from the positron annihilation with significantly Doppler shifted energies outside of that interval.

Abstract: The present disclosure relates to a method and system for generating a light field in a specified working region using an at least partly coherent light source. For example, light from the light source can be fed to at least one modulator which causes different changes in at least one property of the light in different components of the light. The modulator can be actuated with a null point actuation pattern such that the sum of the amplitude distributions of the light components guided via the modulator has null points at at least two positions which can be specified independently of each other in the working region. Each null point adjoining a respective region in which the sum of the amplitude distributions can differs from null. The light can be guided from the modulator into the working region.

Abstract: A method is disclosed for generating an image. An embodiment of the method includes detecting a first projection data set via a first group of detector units, the first group including a first plurality of first detector units, each having more than a given number of detector elements; detecting a second projection data set via a second group of detector units, the second group including a second plurality of second detector units, each including, at most, the given number of detector elements; reconstructing first image data based on the first projection data set; reconstructing second image data based on the second projection data set; and combining the first image data and the second image data. A non-transitory computer readable medium, a data processing unit, and an imaging device including the data processing unit are also disclosed.

Abstract: This disclosure relates to a radiation sensor element comprising a semiconductor substrate, having a bulk refractive index; a front surface; a back surface, extending substantially along a base plane; and a plurality of pixel portions. Each pixel portion comprises a collection region on the back surface and a textured region on the front surface. The textured regions comprise high aspect ratio nanostructures, extending substantially along a thickness direction perpendicular to the base plane and forming an optical conversion layer, having an effective refractive index gradually changing towards the bulk refractive index to reduce reflection of light incident on said pixel portion from the front side of the semiconductor substrate.

Abstract: A camera assembly, including: an enclosure having at least two mounting surfaces that are orthogonal to each other for alignment with at least two orthogonal surfaces against which the camera assembly is to be mounted; at least one imaging apparatus disposed within the enclosure and having a predetermined orientation with respect to the enclosure; and a communication device disposed within the enclosure; and a server disposed at a location remote from where the camera is mounted. The camera assembly and the server communicate over a computer communication network to identify at least one mounting measurement of the camera assembly to establish a mapping from an image coordinate system for images generated by the imaging apparatus and a real world coordinate system aligned with an orientation defined by the at least two orthogonal surfaces.

Abstract: An imaging system is provided. A method for installing the imaging system is provided. The imaging system may include a first modality imaging apparatus. The first modality imaging apparatus may have a detector including a scintillator unit, a photodetector unit, a circuit unit, a supporting block, and a supporting board. The supporting block may be disposed on an end of the scintillator unit. The supporting board may be disposed between the photodetector unit and the circuit unit.

Abstract: A wide area cosmogenic neutron sensor is used for detecting moisture within a measurement surface. A neutron detector is positioned on a stand structure holding the detector above a measurement surface. A moderator material and neutron shield are positioned around at least a portion of the neutron detector. The neutron shield substantially covers an entirety of a bottom of the neutron detector and is not positioned on a top side of the neutron detector. Wide area cosmogenic neutrons propagating from the measurement surface travel through an air space before arriving at the moderated neutron detector.

Abstract: A Positron Emission Tomography (PET) device, detector for a PET device and method of performing PET. The detector includes a scintillator and a photodetector. The scintillator includes a crystal defining a receiving axis and having a receiving face for receiving a gamma ray. A dopant concentration of the crystal varies along the receiving axis with a distance from the receiving face. The photodetector is configured to generate an impulse response in response to an interaction between the gamma ray and the crystal. A decay profile of the impulse response is related to a local dopant concentration of the crystal at the location of the interaction and the distance of the interaction from the receiving face.

Abstract: Disclosed is an electronic system for resetting the voltage of a charge-sensitive pre-amplifier having input from an X-ray detector and output to an ADC. The pre-amplifier gain is increased so that the RMS ADC noise is less than 1% of a representative digitized X-ray signal. The reset logic is configured to avoid loss of X-ray counts and to prevent the pre-amplifier output being outside the allowable input range of the ADC. Reset is initiated when the pre-amplifier output rises above an upper level, which is below the maximum allowable ADC input. Reset is also initiated when a pile-up event is detected, provided that such reset will not cause the pre-amplifier output to fall below the minimum allowable ADC input. At each reset a known amount of charge is removed from the pre-amplifier, and the reset time is continuously adjusted to ensure that the charge amount does not drift.

Abstract: According to one embodiment, a particle detector is disclosed. The particle detector includes a substrate, and detection regions provided on the substrate and insulated from the substrate. Each of the detection regions includes superconducting strips having a longitudinal direction and configured for detecting a particle, and the superconducting strips are arranged in arrangement directions differing between the detection regions. The numbers of particles detected by the respective detection regions are used to generate accumulated detection number profiles of particles in the arrangement directions of the superconducting strips of the respective detection regions, and each of the accumulated detection number profiles includes a profile obtained by accumulating the numbers of particles detected by the respective superconducting strips along the longitudinal direction.

Abstract: Various embodiments are described herein for sensors that may be used to measure radiation from radiation generating device. The sensors may use a collector plate electrode with first and second collection regions having shapes that are inversely related with one another to provide ion chambers with varying sample volumes along a substantial portion of the first and second collection regions which provides virtual spatial sensitivity during use.

Abstract: Method for increasing the optical resolution of a stimulated emission depletion microscope, or STED microscope (Stimulated Emission Depletion), based on the modulation of the intensity of a STED beam on an arbitrary time scale during the acquisition of an image and the analysis of the induced dynamics, without increasing the intensity of the STED beam and in a simple and economic manner.

Abstract: An imaging module (114) of an imaging system comprises a porous silicon membrane (116) with a first side (208), a contact side (210) opposite the first side, columns of silicon (212) configured to extend from the first side to the contact side, and columnar holes (214, 502) interlaced with the columns of silicon and configured to extend from the first side to the contact side. The imaging module further includes quantum dots (118) in the columnar holes. The imaging module further includes a metal pad (120) electrically coupled to the columns of silicon of the porous silicon membrane. The quantum dots in the columnar holes are electrically insulated from the metal pad. The imaging module further includes a substrate (122) with an electrically conductive pad (204) in electrical communication with the metal pad that defines a pixel.

Abstract: The present disclosure relates to a digital X-ray detector and a thin-film transistor array substrate for the same. Disclosed is a thin-film transistor array substrate for a digital X-ray detector in which deterioration of electrical characteristics of a thin-film transistors made of an oxide semiconductor may be reduced or minimized and aging of a PIN diode caused by external moisture may be reduced or minimized. Further, disclosed is a digital X-ray detector including the array substrate. To this end, the array substrate includes a second protective layer having a variety of patterns so as to cover at least a portion of the PIN diode but not to cover the thin-film transistor. The second protective layer includes SiNx. Thus, a de-hydrogenation path from the thin-film transistor may be secured and an external moisture barrier effect for the PIN diode may be achieved.

Abstract: A subwavelength gold hole/disk array that when coupled with a ground plane induces extraordinary transmission through the hole/disk array and zero back reflection. The hole/disk array functions as a “light funnel” in couling incident radiation into the cavity with about 100% efficiency over a narrow resonant bandwidth, which results in frequency-selective perfect (˜100%) absorption of the incident radiation. Such an optical frequency-selective absorber enables flexible scaling of detector response to any wavelength range by pattern dimensional changes, enabling uncooled frequency selective detection and “color” imaging in the infrared domain. Methods and applications are disclosed.

Abstract: According to one embodiment, an X-ray computed tomography apparatus includes an X-ray detector, data acquisition circuitry, and processing circuitry. The X-ray detector detects X-rays emitted by an X-ray tube and transmitted through an object and outputs an electrical signal concerning the detected X-rays. The data acquisition circuitry amplifies the electrical signal by a variable gain and acquires detection data based on the amplified electrical signal. The processing circuitry decides the gain and a modulation condition of a tube current in directional modulation scan based on body thickness information of the object.

Abstract: Methods and apparatus for sensor calibration of a system having an aperture, primary mirror, secondary mirror, and a sensor, such as an FPA IR sensor. A calibration system includes calibration energy sources with a movable first mirror configured to be selectively inserted into the optical path and select one of the calibration energy sources and a second mirror configured to image the selected calibration energy source.

Abstract: A system and method relating to a radiation based imaging are provided. The system may include a radiation source, a detector and a first grid. The detector may include a plurality of detector cells. The first grid may be located between the radiation source and the detector cells and the first grid may include a plurality of radiation transmitting sections. At least one of the plurality of detector cells may include an active area which may be configured to receive radiation from the radiation source that passes through at least one of the plurality of radiation transmitting sections of the first grid. The active area may be adjustable by adjusting the first grid. The radiation source, the first grid and the detectors cells may be operatively coupled for detecting an object. The method may include adjusting the first grid to adjust the active area of the detector.