Automated stabilization of a single-pass plane Fabry-Perot interferometer.
We describe a home-built data-acquisition and stabilization system designed for small-angle Brillouin experiments. The stabilization system exhibits good performance, as supported by the obtained experimental spectra. Collected data for the sound velocity of benzene and isopropyl alcohol against sample temperature are compatible with existing results.
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Departamento de Física, Universidade Federal do Espírito Santo, 29060-900 Vitória ES, Brazil.
de Castro
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