In this work we present the test of the rela-tion between the diffraction angle by a Bragg cell (acousto-optical cell), and the position in a linear photo-detector of the focused beam for an Acousto-Optical Spectrometer (AOS). The evaluation was made compar-ing a synthetic electrical signal spectrum obtained with our AOS against a calibrated spectrum. We discuss the current optical arrangement and propose improvements for the final version of this instrument.
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