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  • Received: Jan. 7, 2016

    Accepted: May. 5, 2016

    Posted: Jan. 24, 2019

    Published Online: Aug. 3, 2018

    The Author Email: Huan Mou (mouhuan@nssc.ac.cn)

    DOI: 10.3788/COL201614.073401

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    Baoquan Li, Huan Mou. Vacuum-sealed miniature modulated x-ray source and the influence factors of x-ray intensity[J]. Chinese Optics Letters, 2016, 14(7): 073401

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Chinese Optics Letters, Vol. 14, Issue 7, 073401 (2016)

Vacuum-sealed miniature modulated x-ray source and the influence factors of x-ray intensity

Baoquan Li1,2and Huan Mou1,2,*

Author Affiliations

  • 1National Space Science Center, Chinese Academy of Science, Beijing 100190, China
  • 2University of Chinese Academy of Science, Beijing 100190, China

Abstract

The vacuum-sealed miniature modulated x-ray source (VMMXS) with a hot cathode is fabricated via the single-step brazing process in a vacuum furnace. An experiment following the VMMXS is implemented to present its performances, including the influence of grid electrode potential on x-ray intensities. The modulation type of the grid electrode as a switch is proposed, and its feasibility is successfully demonstrated. It is noteworthy to discover a phenomenon for the first time, to the best of our knowledge, that the high repetition frequency grid pulse of the VMMXS has a significant effect on the x-ray intensity. The probable cause for this new finding is analyzed.