Selective generation of ultrasonic Lamb waves by electromagnetic acoustic transducers
Li Ming-Liang
, Deng Ming-Xi
†,
, Gao Guang-Jian
Ultrasonic pulse signals at
f
= 1.85 MHz: (a) Δ
z
1
= 280 mm, (b) Δ
z
2
= 180 mm.