Abstract
Radiography is an important tool for determining the internal structure of objects of interest to the emergency response community. The inherent density of these objects often requires high-energy x-ray or gamma-rays which limits the range of available radiation sources/generators. Man-portable, low-power, megavolt sources currently do not exist. A megavolt x-ray system (MEXRAY) has been developed which uses mechanical charge-separation to create high-energy electrons which can then be used to create bremsstrahlung radiation. This approach relies on established physical principles e.g. charge separation, and the photoelectric effect, combined in a unique manner to produce a highly-efficient, low cost, compact, light-weight, high energy x-ray generator. This source can be used in either a pulsed or steady state manner making it suitable for multiple-pulse flash radiography, field radiography, or simply as a compact, low-impedance, high-energy electron injector.
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