Visualization of acoustic surface waves in the lithium niobate crystal on a frequency of 17 MHz under thermal expansion of the sample.
Wave length — 0.532 µm, exposure time — 60 ps; sample surface area size — 3.84 by 3.84 mm
Interferograms obtained by means of comparing a hologram of the stall position with a series of holograms recorded consequently after loading. Time of holographing is provided under respective pictures (HH:MM:SS).
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