Abstract: A sensor arrangement includes an infrared sensor and at least one acceleration sensor. The infrared sensor is configured to detect infrared radiation, and to output infrared image data. The at least one acceleration sensor is configured to detect an instantaneous acceleration of the sensor arrangement, and to output acceleration data. The output of the infrared image data from the infrared sensor is blocked when the instantaneous acceleration of the sensor arrangement exceeds a preprogrammed threshold value.

Abstract: A radiographic image capturing apparatus, comprising a plurality of sensors arrayed on a substrate, a driving unit, a detection unit and a control unit, wherein the control unit is configured to perform a first control controlling the driving unit so as to repeatedly initialize the plurality of sensors on a row-by-row basis before a start of emission of radiation, and a second control controlling the driving unit so as to interrupt the initialization in response to a detection signal from the detection unit and cause the plurality of sensors to output signals, and the apparatus further comprises a determination unit configured to determine whether or not the detection signal is a signal which was output in response to the start of emission of radiation.

Abstract: At least two luminescent materials are intermingled within a security feature. The materials are selected from among a larger set of luminescent materials each having a different individual exponential decay characteristic (decay constant and initial amplitude response to the degree of excitation) for photo-luminescent emission from the respective material following excitation. The ratio of the decay constants for any two materials is greater than or equal to about 1.5. The selected materials are mixed in one of a plurality of predetermined ratios. The combined emissions from the intermingled materials appear, to an unsophisticated measuring device, to have a single exponential decay constant. Based on measurements for the decay of the combined emissions following excitation, estimates of the individual decay constants and associated initial emission amplitudes allow decoding of the particular combination of materials and/or their ratios to validate the security feature, authenticating the article.

Abstract: An improved scintillation detector capable of withstanding harsh operating environments includes a scintillator in a sealed casing having an atmosphere with an oxygen content not greater than about 100 ppb and an oxygen scavenger in the atmosphere within the sealed casing. The scintillator can include a material that may be damaged by exposure to oxygen. The oxygen scavenger can include an oxidizable compound.

Abstract: Biological cells or spores are analyzed by using enhanced THz coupling to molecules by depositing a test material in a channel of a microfluidic chip using near field sensing of sub-THz radiation from the molecules. The THz radiation is enhanced by transmitting THz radiation through slots in the chip, illuminating molecules of the test material with the enhanced THz radiation transmitted through the slots. A spectroscopic signature of the test material is generated, and a database of signatures of materials is generated. The test material is identified by comparing the signature of the test material with signatures of materials in the database.

Abstract: A radiation sensing device for sensing first radiation (15) comprises a radiation sensor (11) for sensing the first radiation and at least one first radiation guiding member (13) forming at least a part of a first radiation path for guiding, and preferably converging or focusing, the first radiation towards the sensor. The first radiation guiding member (13) also forms at least a part of a second radiation path for guiding second radiation emitted by an illumination device (12). A control circuit (20) comprises a first sensor circuit (21) for operating one or more radiation sensors (11), an illumination circuit (22) for operating one or more illumination devices (22), and at least one connection (26) amongst said circuits (21, 22).

Abstract: A method of calibrating a Scanning Transmission Charged-Particle Microscope, operable in a non-scanning mode, whereby said beam is relatively broad, and a scanning mode, whereby said beam is relatively narrow and an image is formed as a function of scan position of said beam, the method comprising: providing a calibration specimen on said specimen holder; in non-scanning mode, using said detector to form a calibration image of the calibration specimen, using a given configuration of said imaging system; utilizing a known dimension of said calibration specimen and comparing it to a corresponding dimension in said calibration image to calibrate a characteristic dimension of a field of view of said detector; and, in scanning mode, recording a beam pattern of said beam in the calibrated field of view of said detector, and examining the recorded beam pattern to derive a geometric aspect thereof.

Abstract: An antenna system comprises a first end-fire antenna element and a second end-fire antenna element facing each other in a planar arrangement, the antenna elements being configured such as to cause destructive interference between individual end-fire radiations of the elements, while maintaining constructive interference generally perpendicular to the planar arrangement.

Abstract: A method for estimating a borehole independent porosity of a subterranean formation includes processing a neutron logging data point, preferably including average near and far detector neutron count rates with suitable input data to obtain the porosity estimate. The borehole independent formation porosity may be obtained without any compensation and without any reliance on the measurement or estimation of sensor standoff and/or borehole caliper.

Abstract: A sheet processing device includes a supporting plate, a stapler, a casing, a protrusion structure, and a swinging arm. The casing is disposed over the supporting plate. A sheet conveying channel is formed between the supporting plate and the casing. The protrusion structure is disposed on a lower surface of the casing, located beside the stapler and accommodated within the sheet conveying channel. During the process of introducing a sheet into the supporting plate, the stapled side of the sheet is flattened by the protrusion structure, and thus the possibility of upturning the sheet is minimized. During the process of introducing the plural sheets to the stapler, the stapled sides of the plural sheets are flattened by the protrusion structure, and thus the formation of the folded corners of the sheets is avoided.

Abstract: An optical filter having a passband at least partially overlapping with a wavelength range of 800 nm to 1100 nm is provided. The optical filter includes a filter stack formed of hydrogenated silicon layers and lower-refractive index layers stacked in alternation. The hydrogenated silicon layers each have a refractive index of greater than 3 over the wavelength range of 800 nm to 1100 nm and an extinction coefficient of less than 0.0005 over the wavelength range of 800 nm to 1100 nm.

Abstract: A radiation sensing device for sensing first radiation (15) comprises a radiation sensor (11) for sensing the first radiation and at least one first radiation guiding member (13) forming at least a part of a first radiation path for guiding, and preferably converging or focusing, the first radiation towards the sensor. The first radiation guiding member (13) also forms at least a part of a second radiation path for guiding second radiation emitted by an illumination device (12). A control circuit (20) comprises a first sensor circuit (21) for operating one or more radiation sensors (11), an illumination circuit (22) for operating one or more illumination devices (22), and at least one connection (26) amongst said circuits (21, 22).

Abstract: A radiographic image capturing apparatus includes: a readout IC equipped with a plurality of readout circuits connected to signal lines, respectively; a power source circuit which supplies a power to the readout IC; and a discharge circuit disposed on a path through which the power source circuit supplies the power to the readout IC, the discharge circuit being is capable of connecting the path and a GND to each other. The discharge circuit connects the path and the GND during a sleep mode.

Abstract: An imaging system is provided, configured for providing three-dimensional data of a region of interest. The system comprising: an optical unit and a control unit. The optical unit comprises a radiation collection unit and a detection unit. The radiation collection unit comprises at least two mask arrangement defining at least two radiation collection regions respectively, the mask arrangements are configured to sequentially apply a plurality of a predetermined number of spatial filtering patterns formed by a predetermined arrangement of apertures applied on radiation collected thereby generating at least two elemental image data pieces corresponding to the collected radiation from said at least two collection regions. The control unit comprising is configured for receiving and processing said at least two elemental image data pieces and determining a plurality of at least two restored elemental images respectively being together indicative of a three dimensional arrangement of the region being imaged.

Abstract: The time-domain spectroscopy analysis system includes a splitter for splitting pulsed light entered, a variable delayer for delaying timing of a first part of the pulsed light split by the splitter, an electromagnetic wave generator for converting a second part of the pulsed light split by the splitter into an electromagnetic wave, a detector for detecting measurement data from a pulse having passed through a measurement object subjected to the electromagnetic wave emitted from the electromagnetic wave generator, and the pulse outputted from the variable delayer, and a comparator for detecting a phase difference between the pulsed light before being entered into the electromagnetic wave generator and the pulsed light outputted from the variable delayer, wherein a result obtained by the comparator is fed back to the variable delayer.

Abstract: A flux detection apparatus can include a radioactive sample having a decay rate capable of changing in response to interaction with a first particle or a field, and a detector associated with the radioactive sample. The detector is responsive to a second particle or radiation formed by decay of the radioactive sample. The rate of decay of the radioactive sample can be correlated to flux of the first particle or the field. Detection of the first particle or the field can provide an early warning for an impending solar event.

Abstract: The invention is directed to several crystal arrangements for time-of-flight (ToF) positron emission tomography (PET) with depth of interaction (DOI) encoding for high spatial, energy and timing resolution. Additionally, several implementations of the ToF-DOI PET detector arrays are proposed with related measurements which all show that no timing degradation is visible in the used setup for first photon trigger for digital silicon photo multipliers (dSiPMs).

Abstract: An electrical system for an atomic particle detection assembly includes an electrical component electrically connected to an atomic particle detection unit. The electrical system includes a dielectric insulating material surrounding the electrical component. The electrical system also includes a conductive shielding material surrounding the dielectric insulating material. The conductive shielding material and a conductive element are at substantially the same electric potential.

Abstract: A detector module (50) for a positron emission tomography (PET) system (10) includes an optical transceiver (66) receiving an optical data stream from a PET processing system (48). The data stream includes a pulse train carrying a command to generate sync/reset pulses. The system (10) further includes synchronization circuitry (70) configured to simultaneously jitter clean the pulse train and one of: 1) count the pulses of the pulse train; and 2) monitor the pulse train for a missing pulse. The synchronization circuitry (70) is further configured to, in response to counting a predetermined number of pulses or detecting the missing pulse, extract a jitter clean pulse from the pulse train to generate a jitter clean sync/reset pulse. The system (10) further includes an internal clock (64) which receives the jitter clean sync/reset pulse.

Abstract: An optical spectral sensing device for determining at least one property of a fluid. The device has an elongated porous body, a first end and a second end, a solid-state optical emitter at the first end of the body oriented to emit radiation toward the second end of the body, and a solid-state optical detector at the second end of the body oriented to detect radiation emitted by the optical emitter. A package for detecting properties of a fluid includes a body defining a cavity, with a movable and biased carrier for an optical detector or emitter mounted in the cavity for increased reliability. A system for determining relative concentrations of fluids in a sample includes emitter/detector pairs operating at reference wavelength and wavelengths corresponding to absorption peaks of at least two fluids, and a processor for determining concentration based on measured data and calibration data.