A scintillating material that is a radiation hardened plastic and flexible elastomer is disclosed. The material is useful in a wide range of high energy particle environments and can be used to create detectors. Such detectors can be used in physics experiments or in medical treatment or imaging. The scintillator can be radiation hardened so as to allow for an extended lifetime over other materials.

A radiation detector includes a sensor substrate, a conversion layer, and a reinforcing substrate. In the sensor substrate, a plurality of pixels for accumulating electric charges generated in response to light converted from radiation are formed on a pixel region of a flexible base material. The conversion layer is provided on a first surface of the base material on which the pixels are provided and converts radiation into light. The reinforcing substrate is provided on a surface of the conversion layer opposite to a surface on the base material side and includes a porous layer having a plurality of through-holes to reinforce the stiffness of the base material.

The invention relates to a combined detector (660) comprising a gamma radiation detector (100) and an X-ray radiation detector (661). The gamma radiation detector (100) comprises a gamma scintillator array (101.sub.x, y), an optical modulator (102) and a first photodetector array (103.sub.a, b) for detecting the first scintillation light generated by the gamma scintillator array (101.sub.x, y). The optical modulator (102) is disposed between the gamma scintillator array (101.sub.x, y) and the first photodetector array (103.sub.a, b) for modulating a transmission of the first scintillation light between the gamma scintillator array (101.sub.x, y) and the first photodetector array (103.sub.a, b). The optical modulator (102) comprises at least one optical modulator pixel having a cross sectional area (102′) in a plane that is perpendicular to the gamma radiation receiving direction (104). The cross sectional area of each optical modulator pixel (102′) is greater than or equal to the cross sectional area of each photodetector pixel (103′.sub.a, b).

A gamma-ray detector includes a plurality of modular one-dimensional arrays of monolithic detector sub-modules. Each monolithic detector sub-module includes a scintillator layer, a light-spreading layer, and a photodetector layer. The photodetector layer comprises a two-dimensional array of photodetectors that are arranged in columns and rows. A common printed circuit board is electrically coupled to the two-dimensional array of photodetectors of the plurality of modular one-dimensional arrays of monolithic detector sub-modules of a corresponding modular one-dimensional array. The two-dimensional array of photodetectors can be electrically coupled in a split-row configuration or in a checkerboard configuration. The two-dimensional array of photodetectors can also have a differential readout.

The present invention relates to an apparatus for determining the location of a radiation source. The apparatus for determining the location of a radiation source according to the present invention comprises: a collimator part for selectively passing radiation therethrough according to the direction in which the radiation is incident; a scintillator part for converting the radiation incident from the collimator part into a light ray; a first optical sensor for converting the light ray incident from one end of the scintillator part into a first optical signal; a second optical sensor for converting the light ray incident from the other end of the scintillator part into a second optical signal; and a location information acquisition part for acquiring information on the location where the light ray is generated in the scintillator part, by using the second optical signal and the second optical signal.

An image processing apparatus includes: an acquisition unit that acquires a radiographic image generated by a radiation detector irradiated with radiation from a radiography apparatus including the radiation detector in which plural pixels, each of which includes a conversion element that generates a larger amount of charge as it is irradiated with a larger amount of radiation, are arranged; and a correction unit that corrects scattered ray components caused by scattered rays of the radiation included in the radiographic image on the basis of region information indicating a region of the radiation detector irradiated with radiation transmitted through a subject, using scattered ray correction data.

A radiation detector includes a substrate having flexibility, a plurality of pixels which are provided on a surface of the substrate and each of which includes a photoelectric conversion element, and a scintillator that is stacked on the substrate and has a plurality of corners. An outer edge of each of the corners of the scintillator is disposed closer to the inside of the substrate than an extension line of each of sides sharing the corner.

The present invention relates to an apparatus for determining the location of a radiation source. The apparatus for determining the location of a radiation source according to the present invention comprises: a collimator part for selectively passing radiation therethrough according to the direction in which the radiation is incident; a scintillator part for converting the radiation incident from the collimator part into a light ray; a first optical sensor for converting the light ray incident from one end of the scintillator part into a first optical signal; a second optical sensor for converting the light ray incident from the other end of the scintillator part into a second optical signal; and a location information acquisition part for acquiring information on the location where the light ray is generated in the scintillator part, by using the second optical signal and the second optical signal.

Scintillator products, apparatuses and methods are provided for use in autoradiographic imaging of a tissue sample excised from a subject. In particular, scintillator products and devices are provided that are substantially conformable to a surface of the excised tissue sample and configured to scintillate, in use, in response to radiation from a radiopharmaceutical administered to the subject in advance of the excision.

A multilayer scintillation detector, includes at least three layers superposed on one another, and each extending parallel to a plane, called the detection plane, wherein each layer is formed by a first material, called a scintillation material, capable of interacting with an ionizing radiation and of forming, following the interaction, a scintillation light in a scintillation spectral band; each layer has a plurality of light guides, respectively extending parallel to the detection plane, according to a length, the light guides being disposed, over all or part of their length, parallel to an axis of orientation; the axis of orientation of the light guides of each layer is oriented, in the detection plane, according to an orientation, the orientations of the respective axes of orientation of at least three layers being different from one another, such that each layer has an associated orientation; and the scintillation material has a first refractive index.