FIELD: device for education. SUBSTANCE: device has base 1, illuminator 2, vibrator 4, photo transducers 5, 21, 29, oscilloscopes 6, 22, 30, power supply 7, complex shape signal generators 8-10, switches 11 and 12, multipliers 13,15, 17, band-pass filters 14, 16, 18, Bragg units 19 and 24, lenses 20 and 26, shutters 25 and 27, optical wedge. EFFECT: increased functional capabilities. 4 dwg
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