Abstract
Nanosecond time-resolved Raman spectroscopy has been performed to study polymer films, polytetrafluoroethylene, under laser-driven shock compression at about 2.3 GPa. A vibrational line at 1895 cm−1, which is attributed to the symmetric stretching mode of a C2F4 monomer produced by depolymerization, appears under the shock compression, and its intensity increases along the propagation of the shock wave.
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