
Fig. 1. Experimental setup for determination of the elastooptical coefficients and the figure of merit in crystalline materials by Dixon-Cohen method


Fig. 2. Block-diagram and the typical signal observed on the screen of the oscilloscope: 1 –���-207� laser; 2 – sample under test; 3 – reference sample; 4 - photodetector (��-256 photodiode); 5 – �5-65 pulse generator; 6 –�4-143 HF generator; 7 – piezotransducer; 8 – oscilloscope.