Short Exposure Time Characteristics Of X-Ray Generators

Bruce A. Horn; Kim C. Luk; David M. Thomasson; Charles E. Finney

doi:10.1117/12.936020

13 December 1983 Short Exposure Time Characteristics Of X-Ray Generators

Bruce A. Horn, Kim C. Luk, David M. Thomasson, Charles E. Finney

Proceedings Volume 0419, Application of Optical Instrumentation in Medicine XI; (1983) https://doi.org/10.1117/12.936020
Event: Application of Optical Instrumentation in Medicine XI, 1983, Atlanta, United States

Abstract

Due to the widespread use of high-speed rare-earth screen/film combinations and pulsed cine and digital radiography systems in radiology departments, the short exposure time performance of the x-ray generator is of increased importance to the production of high qual-ity images. For short exposures slow rise time of the high voltage applied to the x-ray tube may result in the peak tube potential differing significantly from that indicated. Similarly, a pulse overshoot on the leading edge of the high voltage waveform may produce a peak tube potential greater than that indicated. The measured high voltage and current waveforms of three-phase generators representative of the major x-ray equipment manufacturers are presented as a function of tube potential, tube current, and exposure time. The implications of the results are discussed, and a comprehensive definition of generator minimum exposure time is proposed.

Citation Download Citation

Bruce A. Horn, Kim C. Luk, David M. Thomasson, and Charles E. Finney "Short Exposure Time Characteristics Of X-Ray Generators", Proc. SPIE 0419, Application of Optical Instrumentation in Medicine XI, (13 December 1983); https://doi.org/10.1117/12.936020

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