Laboratory of Optical and Quasioptical Investigation and Optoelectronic Devices Design for Infocommunication Systems

Setup for measuring the velocity of acoustic waves using dynamic echo-impulse method of Papadakis

Fig. 1. The general view of the experimental setup for ultrasonic wave velocity investigation by the reflected pulses method and the typical signals observed on the screen of the oscilloscope

Fig. 2. The scheme of the experimental setup: 1 - setting generator, 2 - frequency divisor, 3 - pulse generator, 4 - piezoconverter, 5 - investigated crystal, 6 - resonance amplifier, 7 - oscilloscope, 8 – frequency meter, 9 - double pulses generator