Abstract
An algorithm for calculating the energy spectrum of a pulsed ion beam generated by a direct-acting accelerator is presented. The ion spectrum is calculated using the oscillograms of the accelerating voltage, the experimental ion-current density, the one-dimensional Child–Langmuir (1D С–L) ratio, and the total current in the diode. The results of studying the ion spectrum generated by the TEMP-4M accelerator (250–300 kV, 150 ns) are presented. A good coincidence of the spectrum of ions that were calculated from the experimental ion-current density and 1D С–L equation is obtained. For ions whose energy is 95% of the total energy of the ion beam per pulse, the divergence between the spectra does not exceed 10% and is most significant in the region of low ion energies. The error in calculating the ion spectrum from the total current in the diode is much greater.
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This study was supported by the Russian Foundation for Basic Research, project no. 19-38-90001.
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Translated by A. Seferov
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Pushkarev, A.I. Determination of the Spectrum of a Pulsed Ion Beam from Current and Voltage Oscillograms. Instrum Exp Tech 65, 52–59 (2022). https://doi.org/10.1134/S0020441222010080
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DOI: https://doi.org/10.1134/S0020441222010080