Georgetown Rail Equipment Company

University of Florida Research Foundation, Incorporated

Loram Technologies, Inc.

Shuang Cui

Jeb Everett Belcher

James Edward Baciak

Michele Viola Manuel

Charles Wayne Aaron

Kelly Alexander Jordan

Gregory Thomas Grissom

Jyothier Nimmagadda

Michael John Liesenfelt

Paul Daniel Ridgeway

An x-ray spectrometer includes a radiation path and a plurality of layer groups oriented along the radiation path. The radiation path extends from a start point to an end point. The layer groups each include an attenuation layer, a scintillation layer, and a light diffuser layer. The light diffuser layer directs light emitted from the scintillation layer away from the radiation path. A linear diode array is positioned to measure the redirected light and generate a signal representing the penetration characteristics of the beam of radiation throughout the layer groups.

X-ray attenuation spectrometer

A shutter for controlling radiation exposure includes a rotatable member. The rotatable member is rotatable between an open position and a closed position. The rotatable member includes a passageway, wherein the passageway is positioned to receive radiation in the open position and is not positioned to receive radiation in the closed position. In the closed position, the rotatable member may substantially block or absorb the radiation. The passageway may collimate the radiation into a beam of radiation. The rotatable member may include a plurality of passageways positioned to receive radiation in the open position. The rotatable member may be rotatable between a plurality of open positions, each open position corresponding to at least one passageway. The open positions may align the source of radiation with different passageways in the rotatable member to form a different beam shape, a different number of beams, a different beam direction, or combinations thereof.

Rotating radiation shutter collimator

An internal imaging system has a radiation source and a plurality of detectors positioned to receive portions of the plurality of collimated beams that have been attenuated by interaction with the target. The radiation source is configured to irradiate a target with a plurality of collimated beams of radiation. Two of the plurality of collimated beams of radiation may have different beam shapes. Another internal imaging system includes a radiation source configured to irradiate a target with at least one collimated beam of radiation and at least one detector. A planar rotating collimator is positioned adjacent to the radiation source and is configured to form the at least one collimated beam. The at least one detector is positioned to receive attenuated portions of the at least one collimated beam. The radiation source may be or include a neutron source. The detectors may be or include a plurality of neutron converters.

System and method for internal inspection of rail components

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Gainesville, FL, United States of America

Shuang Cui