I need to assess the ultrasonic beam diameter for the following case:
Probe details:frequency 10 MHz (the probe is focused with spherical focus)focal length 62.5 mm (specified by manifacturer for water)diameter 6.25 mm
The classical equation gives me a value for the diameter equals to 1.65 mm
The problem is that I need to focus on a lower side of a steel plate 9 mm thick. So I have part of the ultrasonic path in water and part in steel. Does this alter the dimension of the beam??
Thanks in advance
: Thanks in advance
: Antonio Filippi
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