A Compact, 1-Mv, 6-Ka Radiography Source With A One Meter Extension And Right-Angle Bend
Pulsed Power Conference, 2007 16th IEEE International(2007)
摘要
The Hybrid Radiation Source (HRS) is a compact pulsed power generator consisting of a commercial flash x-ray system that has been retrofitted with a custom front-end assembly, replacing a sealed glass tube(1). A new high impedance (similar to 120 Ohm) space-charge-limited (SCL) diode was fielded on the HRS. This diode produces a similar to 1.6 mm diameter x-ray spot suitable for high-resolution radiography(2). This system has been modified by extending the diode from the generator with a one-meter-long vacuum transmission line. Also, the anode has been oriented to point perpendicular to the transmission-line axis. The extension and re-direction allow for the placement of the high-yield, small-spot-size, FIRS radiographic source in previously unreachable locations. Parameters such as voltage, current, and source size have been measured and analyzed, allowing for optimization of the radiographic source. Discussion will also include circuit diagrams, simulation models, and diagnostic traces.
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关键词
simulation model,front end,power generation,high resolution,power transmission lines,anodes,glass,transmission line,diodes,impedance,conductors
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