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Spectral analysis of the plasma produced by composite metal bridge foil exploding

Summary form only given. In order to study the emission characteristics of the plasma produced by composite metal bridge foil explosion process, the atomic emission spectrometry technique was used to measure the continuous plasma emission spectrum. The composition and ionization of the plasma were analyzed. The plasma temperatures at different delay times after electrical explosion were calculated by the Boltzmann multi-spectral slope method. According to Stark broadening effect, the electron densities of the plasma at different delay times were obtained. The electron density is in the range of 3.1 × 1016 to 7.0 × 1016 cm-3. The plasma of metal exploding is in the state of the local thermodynamic equilibrium conditions.