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2. Investigation on Mo Kα radiation from pulsed-power-driven needle-and-blade diode

Author

Minghai Deng, Xiaohui Chen, Xun Ma, Chenggang Ma, Hongguang Wu, and Hongtao Li

Subjects
Physics, QC1-999
Abstract

This article discusses the factors influencing the yields of molybdenum Kα radiations from a pulsed-power driven needle-and-blade diode for the application of real-time x-ray diffraction of shocked solids. Based on our 300 kV/10 kA pulsed power stand, electrical properties (diode voltage, current and deposited energy) and energy spectrum were evaluated under different diode configurations. It is found that the diode voltage plays an important role in the production of Kα radiation. A large emission angle was beneficial for obtaining higher Kα photon yields and the deposited power on diode could be generally used to predict the Kα radiation. These results are helpful to guide the development of pulsed power diode for dynamic x-ray diffraction applications.

Published
2019
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3. Investigation on Mo Kαradiation from pulsed-power-driven needle-and-blade diode

Author

Chenggang Ma, Hongguang Wu, Minghai Deng, Xun Ma, Xiaohui Chen, and Li Hongtao

Subjects
010302 applied physics, Diffraction, Photon, Materials science, business.industry, General Physics and Astronomy, chemistry.chemical_element, 02 engineering and technology, Pulsed power, Radiation, 021001 nanoscience & nanotechnology, 01 natural sciences, lcsh:QC1-999, Power (physics), chemistry, Molybdenum, 0103 physical sciences, Energy spectrum, Optoelectronics, 0210 nano-technology, business, lcsh:Physics, Diode
Abstract

This article discusses the factors influencing the yields of molybdenum Kα radiations from a pulsed-power driven needle-and-blade diode for the application of real-time x-ray diffraction of shocked solids. Based on our 300 kV/10 kA pulsed power stand, electrical properties (diode voltage, current and deposited energy) and energy spectrum were evaluated under different diode configurations. It is found that the diode voltage plays an important role in the production of Kα radiation. A large emission angle was beneficial for obtaining higher Kα photon yields and the deposited power on diode could be generally used to predict the Kα radiation. These results are helpful to guide the development of pulsed power diode for dynamic x-ray diffraction applications.

Published
2019

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