Abstract: Compositions, related to plastic scintillating materials based on a monomer combined with a cross-linker, an oxazole, and a fluorophore and/or an organometallic compound are disclosed. The disclosed plastic scintillator materials may advantageously provide gamma-neutron pulse shape discrimination capabilities.

Abstract: Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.

Abstract: Embodiments of composite scintillators which may include a scintillator material encapsulated in a plastic matrix material and their methods of use are described.

Abstract: A dual-mode, hand-held, digital probe, designed to rapidly localize tissues of interest through gamma detection, and provide high-resolution, real-time images of the suspect area by sensing beta radiation is presented. A position-sensitive solid-state photomultiplier is optically bonded with a hybrid scintillator including a thin Crystalline Microcolumnar Structure (CMS) CsI:T1 scintillator, vapor-deposited directly onto a monolithic (polycrystalline) LYSO scintillator.

Abstract: An antireflective structure and a fabrication method thereof are disclosed. In one aspect, the antireflective structure includes a substrate, a buffer layer on the substrate, and an anticorrosion layer on the buffer layer, wherein the corrosion resistant layer comprises a densely packed cubic lattice structure. In one aspect, the fabrication method includes depositing a first buffer layer on a substrate in an e-beam deposition process, and depositing a first anticorrosion layer on the first buffer layer in an e-beam deposition process, wherein the substrate comprises sapphire, the first corrosion resistant layer comprises lutetia, and the first buffer layer comprise silicon carbide.

Abstract: The present invention relates to scintillator compositions and related devices and methods. The scintillator compositions may include, for example, a scintillation compound and a dopant, the scintillation compound having the formula x1-x2-x3-x4 and x1 is Cs; x2 is Na; x3 is La, Gd, or Lu; and x4 is Br or I. In certain embodiments, the scintillator composition can include a single dopant or mixture of dopants.

Abstract: Methods and systems for fabricating a film, such as, for example, a photocathode, having a tailored band structure and thin-film components that can be tailored for specific applications, such as, for example photocathode having a high quantum efficiency, and simple components fabricated by those methods.

Abstract: A dual-mode, hand-held, digital probe, designed to rapidly localize tissues of interest through gamma detection, and provide high-resolution, real-time images of the suspect area by sensing beta radiation is presented. A position-sensitive solid-state photomultiplier is optically bonded with a hybrid scintillator including a thin Crystalline Microcolumnar Structure (CMS) CsI:T1 scintillator, vapor-deposited directly onto a monolithic (polycrystalline) LYSO scintillator.

Abstract: Eddy current detection probes and related methods are disclosed. In some embodiments, the eddy current detection probes are hybrid probes, including a solid state sensor and a detection loop. In some embodiments, the eddy current detection probes include a drive coil and a detection loop, with the detection loop having a sensitive axis that is not parallel to principal axis of the drive coil. In some such embodiments, the sensitive axis of the detection loop is perpendicular to the principal axis of the drive coil.

Abstract: The present disclosure provides a neutron imaging detector and a method for detecting neutrons. In one example, a method includes providing a neutron imaging detector including plurality of memory cells and a conversion layer on the memory cells, setting one or more of the memory cells to a first charge state, positioning the neutron imaging detector in a neutron environment for a predetermined time period, and reading a state change at one of the memory cells, and measuring a charge state change at one of the plurality of memory cells from the first charge state to a second charge state less than the first charge state, where the charge state change indicates detection of neutrons at said one of the memory cells.

Abstract: The present invention relates to scintillator compositions and related devices and methods. The scintillator compositions may include, for example, a scintillation compound and a dopant, the scintillation compound having the formula x1-x2-x3-x4 and x1 is Cs; x2 is Na; x3 is La, Gd, or Lu; and x4 is Br or I. In certain embodiments, the scintillator composition can include a single dopant or mixture of dopants.

Abstract: A detector for detecting radiation is generally described. The detector can comprise at least one ionic semiconductor material. For example, the ionic semiconductor material comprises a thallium halide and/or an indium halide. Electrical contacts are formed on the semiconductor material to provide a voltage to the detector during use. At least one of the electrical contacts may comprise a liquid that contains ions. In some instances, at least one electrical contact comprises a metal, such as Cr, Ti, W, Mo, or Pb. In some embodiments, the detector comprises both an electrical contact comprising liquid comprising ions and an electrical contact comprising a metal selected from a group consisting of Cr, Ti, W, Mo, and Pb. Detectors for detecting radiation, as described herein, may have beneficial properties.

Abstract: Strontium halide scintillators, calcium halide scintillators, cerium halide scintillators, cesium barium halide scintillators, and related devices and methods are provided.

Abstract: A device that detects single optical and radiation events and that provides improved blue detection efficiency and lower dark currents than prior silicon SSPM devices. The sensing element of the devices is a photodiode that may be used to provide single photon detection through the process of generating a self-sustained avalanche. The type of diode is called a Geiger photodiode or signal photon-counting avalanche diode. A CMOS photodiode can be fabricated using a “buried” doping layer for the P-N junction, where the high doping concentration and P-N junction is deep beneath the surface, and the doping concentration at the surface of the diode may be low. The use of a buried layer with a high doping concentration compared to the near surface layer of the primary P-N junction allows for the electric field of the depletion region to extend up near the surface of the diode. With a low doping concentration through the bulk of the diode, the induced bulk defects are limited, which may reduce the dark current.

Abstract: Strontium halide scintillators, calcium halide scintillators, cerium halide scintillators, cesium barium halide scintillators, and related devices and methods are provided.

Abstract: Li-containing scintillator compositions, as well as related structures and methods are described. Radiation detection systems and methods are described which include a Cs2LiLn Halide scintillator composition.

Abstract: Eddy current detection probes and related methods are disclosed. In some embodiments, the eddy current detection probes are hybrid probes, including a solid state sensor and a detection loop. In some embodiments, the eddy current detection probes include a drive coil and a detection loop, with the detection loop having a sensitive axis that is not parallel to principal axis of the drive coil. In some such embodiments, the sensitive axis of the detection loop is perpendicular to the principal axis of the drive coil.

Abstract: A detector for detecting radiation is generally described. The detector can comprise at least one ionic semiconductor material. For example, the ionic semiconductor material comprises a thallium halide and/or an indium halide. Electrical contacts are formed on the semiconductor material to provide a voltage to the detector during use. At least one of the electrical contacts may comprise a liquid that contains ions. In some instances, at least one electrical contact comprises a metal, such as Cr, Ti, W, Mo, or Pb. In some embodiments, the detector comprises both an electrical contact comprising liquid comprising ions and an electrical contact comprising a metal selected from a group consisting of Cr, Ti, W, Mo, and Pb. Detectors for detecting radiation, as described herein, may have beneficial properties.

Abstract: Solid state avalanche photodiode devices and methods of producing the same are described herein.

Abstract: Scintillator materials, as well as related systems, and methods of detection using the same, are described herein. The scintillator material composition may comprise a Tl-based scintillator material. For example, the composition may comprise a thallium-based halide. Such materials have been shown to have particularly attractive scintillation properties and may be used in a variety of applications for detection radiation.