Abstract: A scintillator panel 1 and a radiation image sensor 10 in which characteristics can be changed easily at the time of manufacture are provided. The scintillator panel 1 comprises a scintillator 3 having an entrance surface 3a for a radiation; a FOP 2, arranged on an opposite side of the scintillator 3 from the entrance surface 3a, for transmitting the light generated by the scintillator 3; and a resin layer 5, formed from a resin containing a color material on the entrance surface 3a side of the scintillator 3, for performing at least one of absorption and reflection of the light generated by the scintillator 3.

Abstract: Provided is a multi-wave band light sensor combined with a function of infrared ray (IR) sensing including a substrate, an IR sensing structure, a dielectric layer, and a multi-wave band light sensing structure. The substrate includes a first region and a second region. The IR sensing structure is in the substrate for sensing IR. The dielectric layer is on the IR sensing structure. The multi-wave band light sensing structure includes a first wave band light sensor, a second wave band light sensor, and a third wave band light sensor. The second wave band light sensor and the first wave band light sensor are overlapped and disposed on the IR sensing structure on the first region of the substrate from the bottom up. The third wave band light sensor is in the dielectric layer of the second region.

Abstract: Disclosed is a method for measuring a fiber content of polyethyleneterephthalate (PET) and polytrimethyleneterephthalate (PTT) fibers, particularly wherein the method includes: a qualitative analysis step of identifying a presence of polyethyleneterephthalate (PET) and polytrimethyleneterephthalate (PTT) fibers in a mixed-spun fiber product; and a quantitative analysis step of measuring the fiber content by a microscopic count through difference in color between PET and PTT fibers by birefringence in a cross polarization state of a polarized light microscope (PLM). Through the present invention, it is possible to simply and accurately calculate the fiber content of PET and PTT fibers in a mixed-spun fiber material in which various kinds of fibers are mixed.

Abstract: A radiation image capture device is provided with a radiation detection panel including optoelectronic conversion elements, a signal processing board that performs signal processing of the signals provided by the radiation detection panel, a flexible printed circuit, and a casing. One end of the flexible printed circuit is connected to the radiation detection panel and the other end is connected to the signal processing board. The flexible printed circuit includes a base film fowled of an insulating resin film, wiring disposed over the base film, a coating layer formed of an insulating resin disposed over the wiring, and a shield layer provided between the base film and the wiring and/or between the wiring and the coating layer. An insulator is interposed between the shield layer and the wiring, and the shield layer is connected to a fixed potential.

Abstract: The present invention is concerned with a procedure to quantitatively determine both, total and effective porosity of carbonated sedimentary rocks, and is based on the elaboration of molds of the rock pores-structure and on the determination of the volumetric and gravimetric properties of the rock and its mold. Determination of the effective porosity is achieved by using an original formula, developed by the authors of the present invention. Additionally, the structure of micro and nanopores in the rock is characterized by scanning electron microscopy (SEM), to identify relevant properties for permeability analyzes such as: dimensions, shapes, type of connections, pore-structure patterns and pore throats. These and other parameters are used as indicators of the reservoir production and storage capacity.

Abstract: An infra-red motion detector for monitoring motion in a monitored space is described. The motion detector includes, within a housing, an infra-red radiation sensor sensitive to infra-red radiation incident through a window. A refractive optical system within the housing selects incident infra-red radiation for redirection onto the infra-red sensor. An external light source mounted externally of the housing directs external light through the window providing a recognizable light input. A refractive Fresnel patch mounted externally to the window selects incident light from the external light source and redirects it to a tamper sensor within the housing. A detection controller processes signals output by both sensors in monitoring the space. The detection controller detects incident light from the external light source and trips a tamper alarm in failing detection, and further detects changes in infra-red radiation in the monitored space and trips an intrusion alarm upon detecting changes.

Abstract: A system and a corresponding method for monitoring the presence of a person in a monitored area, includes a passive radiometer that detects radiation emitted from a predetermined monitored area in a predetermined frequency range between 1 GHz and 100 THz and that generates a radiation signal from the detected radiation, a radiation signal processor that processes the radiation signal and that generates, based on the processed radiation signal, a monitoring signal indicating the presence or absence of a person in the monitored area, and an application controller that controls an application based on the monitoring signal.

Abstract: Provided is an apparatus for measuring radioactivity without loss of radioactive particles. The apparatus includes a sampler that collects a radioactive sample from an exhaust pipe, a sample detector that is provided adjacent to the exhaust pipe and includes a particle collecting filter and a first radioactivity detector, a sample transporting pipe that extends from the sample detector and transports the radioactive sample from which the radioactive particles have been removed, a sample transporting pump that is provided at the sample transporting pipe, and a gaseous radioactivity detector that is provided at the sample transporting pipe and detects a radioactivity of the radioactive sample from which the radioactive particles have been removed. The particle collecting filter filters out the radioactive particles from the radioactive sample and the first radioactivity detector detects a radioactivity of the radioactive particles filtered out by the particle collecting filter.

Abstract: An optical system for fluorescence detection includes two parabolic mirrors, a first parabolic mirror and a second parabolic mirror, and fluorescent light beams that are incident from different directions are reflected by the first parabolic mirror as parallel light beams to the second parabolic mirror and are converged at one point by the second parabolic mirror.

Abstract: A radiation detection apparatus can include a radiation sensor having a corresponding radiation sensing region, and a photosensor that is optically couple to the radiation sensor. The radiation sensing region can include optical fibers. In an embodiment, some or all of the optical fibers can be coated. The coating can include a phosphorescent material. In an embodiment, the optical fibers can be arranged in a manner such that optical substrates have substantially no bends.

Abstract: A radiation detector assembly (20) includes a detector array module (40) configured to convert radiation particles to electrical detection pulses, and an application specific integrated circuit (ASIC) (42) operatively connected with the detector array. The ASIC includes signal processing circuitry (60) configured to digitize an electrical detection pulse received from the detector array, and test circuitry (80) configured to inject a test electrical pulse into the signal processing circuitry. The test circuitry includes a current meter (84) configured to measure the test electrical pulse injected into the signal processing circuitry, and a charge pulse generator (82) configured to generate a test electrical pulse that is injected into the signal processing circuitry.

Abstract: A light source is gated ON and OFF in response to a pulsed signal. Photo emissions from the light source are coupled to a material under test. Resonant fluorescent emissions from the material are coupled to a photodiode. Current from the photodiode is coupled into an amplifier system comprising a first and second amplifier stages. The first amplifier stage is gated to a low gain when the light source is turned ON and the gain is increased when the light source goes from ON to OFF. The second amplifier stage has digitally programmable offset and gain settings in response to control signals. The output of the second amplifier stage is digitized by an analog to digital converter. A controller generates the pulse control signal and the control signals.

Abstract: A radiation detector is disclosed that includes a scintillation crystal and a plurality of photodetectors positioned to detect low-energy scintillation photons generated within the scintillation crystal. The scintillation crystals are processed using subsurface laser engraving to generate point-like defects within the crystal to alter the path of the scintillation photons. In one embodiment, the defects define a plurality of boundaries within a monolithic crystal to delineate individual detector elements. In another embodiment, the defects define a depth-of-interaction boundary that varies longitudinally to vary the amount of light shared by neighboring portions of the crystal. In another embodiment the defects are evenly distributed to reduce the lateral spread of light from a scintillation event. Two or more of these different aspects may be combined in a single scintillation crystal.

Abstract: A surface contamination monitoring system/method configured to correct the detected the radioactive net count rate (NCR) value of a whole-body surface contamination monitoring device based on monitored subject height and thickness is disclosed. The system includes a height detection means for determining the height of a monitored subject and a thickness detection means for determining the thickness of at least a portion of the monitored subject. The net count rate (NCR) is corrected based on the determined height and thickness of the monitored subject as applied to site calibration factor data and self-shielding factor data to produce a corrected net count rate (CNR). If the corrected net count rate (CNR) registers above a preset alarm threshold, the monitored subject is considered contaminated and an appropriate alarm is registered.

Abstract: An X-ray detector and a heat dissipating method are provided. The heat dissipating method comprises providing an optical sensing panel over an internal support of the X-ray detector and providing a digital printed circuit board directly on a back cover, so that there is a gap between the digital printed circuit board and the optical sensing panel that is fixed by the internal support. The X-ray detector comprises an optical sensing panel bonded to the outer side of an internal support; and a digital printed circuit board bonded to the inner side of a back cover, wherein there is a gap between the digital printed circuit board and the optical sensing panel that is fixed by the internal support.

Abstract: A method of calibrating a level gauge system using electromagnetic signals to determine a filling level of a product in a tank. The level gauge system comprises a real time sampler for sampling a reflection signal with a sampling period between consecutive samples. The method comprises the steps of: receiving timing signals from a wireless communication network; generating time stamp signals based on the timing signals; registering a number of the sampling periods between a first time stamp signal and a second time stamp signal; and determining the sampling period based on the registered number of sampling periods and a time between the first time stamp signal and the second time stamp signal. Various embodiments of the present invention provide for high accurate determination of the filling level in a tank without the need for a temperature stable and highly accurate clock reference in the level gauge system.

Abstract: The invention relates to a device for reading out at least one especially flexible imaging plate. The readout device comprises a reader for reading out information stored on the imaging plate, and a transport device having at least one drive means for transporting the imaging plate relative to the reader along a guide means on the transport path. The shape of the transport path is adapted to the shape of a readout area of the reader. At least one substantially solid support for the imaging plate is provided. The shape and dimension of the support are adapted to the shape of the transport path. When the imaging plate is transported together with the support, the imaging plate does not come into contact with the drive means. The invention also relates to the support for the imaging plate.

Abstract: The present invention provides a fast-neutron detector, comprising: a plastic scintillator array which includes at least one plastic scintillator unit, wherein sidewall surfaces of each plastic scintillator unit are covered or coated with a neutron-sensitive coating film. The fast-neutron detector based on such film-coated plastic scintillators according to the present invention advantageously addresses the mutual competition problem between a moderated volume and a measured volume in the prior art and can obtain a higher fast-neutron detecting efficiency.

Abstract: A liquid scintillator detector for three-dimensional dosimetric measurement of a radiation beam is provided wherein a volumetric phantom liquid scintillator is exposed to the radiation beam to produce light that is captured by the cameras that provide a three-dimensional image of the beam.

Abstract: An apparatus (200) for detecting slow or thermal neutrons (160). The apparatus (200) includes an alpha particle-detecting layer (240) that is a hydrogenated amorphous silicon p-i-n diode structure. The apparatus includes a bottom metal contact (220) and a top metal contact (250) with the diode structure (240) positioned between the two contacts (220, 250) to facilitate detection of alpha particles (170). The apparatus (200) includes a neutron conversion layer (230) formed of a material containing boron-10 isotopes. The top contact (250) is pixilated with each contact pixel extending to or proximate to an edge of the apparatus to facilitate electrical contacting. The contact pixels have elongated bodies to allow them to extend across the apparatus surface (242) with each pixel having a small surface area to match capacitance based upon a current spike detecting circuit or amplifier connected to each pixel.