Abstract
The paper presents an analysis of electronic amplifiers for modern acousto-optical spectrometers, based on two-crystal sequential diffraction of incident radiation by acoustic waves propagating in each acousto-optical (AO) cell. Such a diffraction scheme has a higher spectral resolution, retaining all the other advantages of traditional AO spectrometers. A description of the functional block diagram of a two-crystal AO spectrometer is given, and the necessary requirements for electronic units are indicated. The results of joint use of the signal power amplification device and a previously developed wideband frequency synthesizer for exciting sound waves in AO cells are presented; output amplitudes of amplified signals are obtained.
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