Abstract: Systems and methods for calibrating a nuclear medicine (NM) imaging system are provided that include an NM calibration source. The NM calibration source includes an isotope source having an energy spectrum with at least one energy peak and a fluorescence layer adjacent the isotope source creating at least one additional energy peak in the energy spectrum.

Abstract: A radiation detector includes a semiconductor crystal having a first surface and a second surface opposite to the first surface, a first electrode electrically coupled with the first surface of the semiconductor crystal to allow current to flow between the first electrode and the crystal, and an insulating layer on the first surface and between the semiconductor crystal and the first electrode so as to create a partially transmissive electrical barrier between the first electrode and the crystal. The insulating layer has a thickness ranging from about 50 nanometers to about 500 nanometers.

Abstract: An apparatus and methods for calibrating pixelated detectors are provided. A method includes acquiring energy response data for a plurality of pixels of the pixelated semiconductor radiation detector and performing at least one of energy calibration and sensitivity calibration on each of the plurality of pixels based on the acquired energy response data.

Abstract: A gamma camera for use in a molecular imaging system includes a housing, a cadmium zinc telluride (CZT) camera disposed within the housing, and at least one retractable wall coupled to the housing and adapted to secure an anatomy of interest in a field-of-view of the gamma camera. The gamma camera also includes a chamfered edge to enable the gamma camera to contact a second gamma camera when the gamma camera is positioned in an L-mode imaging configuration.

Abstract: A system and method for performing molecular imaging of an anatomy of interest is provided. The molecular imaging system includes a gantry, a first gamma camera coupled to the gantry, and a second gamma camera coupled to the gantry, the first and second cameras are positionable in an L-mode imaging configuration, the first and second gamma cameras are configured to immobilize an anatomy of interest therebetween in the L-mode configuration. The molecular imaging system is also configured to operate in an H-mode imaging configuration wherein the first and second gamma cameras are configured to immobilize an anatomy of interest therebetween in the H-mode configuration.

Abstract: An apparatus and methods for calibrating pixelated detectors are provided. A method includes acquiring energy response data for a plurality of pixels of the pixelated semiconductor radiation detector and performing at least one of energy calibration and sensitivity calibration on each of the plurality of pixels based on the acquired energy response data.

Abstract: An apparatus for imaging a structure of interest comprises a plurality of imaging detectors mounted on a gantry. Each of the plurality of imaging detectors has a field of view (FOV), is independently movable with respect to each other, and is positioned to image a structure of interest within a patient. A data acquisition system receives image data detected within the FOV of each of the plurality of imaging detectors.

Abstract: A method of detecting ionizing radiation is provided.

Abstract: A method and apparatus for reducing polarization within an imaging device are provided and include a method of controlling an image detecting device. The method includes applying heat to the image detecting device having at least one ohmic contact and controlling the applied heat to adjust a temperature level of the image detecting device.

Abstract: A method of detecting ionizing radiation is provided. The method includes pixelating a semiconductor substrate such that each pixel comprises a central region and a region of variable response, substantially blocking the ionizing radiation from reaching the region of variable response, and receiving the ionizing radiation with the central region.

Abstract: Embodiments of the present technique relate to a modular multi-hole collimator assembly configured to have an adjustable length. Each of the two or more multi-hole collimator units has a plurality of holes therethrough. Exemplary embodiments also relate to a modular multi-hole collimator assembly that includes a base multi-hole collimator unit and one or more multi-hole collimator extension units. Each of the base multi-hole collimator unit and the one or more multi-hole collimator extension units has a plurality of holes therethrough. At least one of the plurality of holes through the base multi-hole collimator unit and at least one of the holes through the one or more multi-hole collimator extension units are axially aligned.

Abstract: A method of detecting ionizing radiation is provided.

Abstract: An apparatus for imaging a structure of interest comprises a plurality of imaging detectors mounted on a gantry. Each of the plurality of imaging detectors has a field of view (FOV), is independently movable with respect to each other, and is positioned to image a structure of interest within a patient. A data acquisition system receives image data detected within the FOV of each of the plurality of imaging detectors.

Abstract: A method of reducing polarization within an image detecting device includes coupling at least one blocking contact to the image detecting device, and heating the image detecting device to facilitate reducing polarization within the image detecting device.

Abstract: A gamma camera system comprising: a pair of gamma camera heads; and a stand on which the gamma camera heads are mounted, wherein the camera system is configurable in one of at least two configurations, including: an operational condition in which faces of the gamma camera heads form an angle of between 80 and 100 degrees; and a non-operational parking configuration in which a front face of the gamma camera heads form an angle substantially greater than 100 degrees.

Abstract: A method and apparatus for reducing polarization within an imaging device are provided and include a method of controlling an image detecting device. The method includes applying heat to the image detecting device having at least one ohmic contact and controlling the applied heat to adjust a temperature level of the image detecting device.

Abstract: A method of detecting ionizing radiation is provided.

Abstract: A method of reducing polarization within an image detecting device includes coupling at least one blocking contact to the image detecting device, and heating the image detecting device to facilitate reducing polarization within the image detecting device.

Abstract: A method of detecting ionizing radiation is provided. The method includes pixelating a semiconductor substrate such that each pixel comprises a central region and a region of variable response, substantially blocking the ionizing radiation from reaching the region of variable response, and receiving the ionizing radiation with the central region.

Abstract: A hand gamma camera system for generating an image of a gamma radiation source, the camera comprising a housing designed to be hand held, a gamma radiation image detector mounted on or in the housing that generates detection data responsive to radiation data from a gamma source incident on the radiation detector, a controller connected to the radiation detector that receives the detection data and generates image data and a display mounted on or in the housing that receives the image data from the controller and generates an image.