Abstract
The paper presents the results of a slow (with a characteristic process time τ ≈ 50–100 μs) electric explosion (in an air medium) of thin (with a characteristic diameter δ ≈ 20–50 μm) titanium wires with holographic interferometry. A characteristic energy input into the wires was varied from 2.5 to 3.0 J·mg−1. The optical scheme of interferometry laser diagnostics was discussed. The formation of the main explosion features (shock front, explosion products, etc.) was registered. An interference shift allowed calculating of changing of a refractive index and a density in different zones of the explosion. The simplest estimations indicated that a density in shock compressed gas was varied from 1.1×1020 to 2.4×1020 cm−3.
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