Lamb wave signal selective enhancement by an improved design of meander-coil electromagnetic acoustic transducer<xref rid="cpb_27_8_084301_fn1" ref-type="fn">*</xref> <fn id="cpb_27_8_084301_fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 51507171 and 51577184).</p></fn>

Lamb wave signal selective enhancement by an improved design of meander-coil electromagnetic acoustic transducer* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 51507171 and 51577184).

Sun Wen-Xiu^{1, 2}, Liu Guo-Qiang^{1, 2, †}, Xia Hui¹, Xia Zheng-Wu¹

(color online) Curves of the spatial Fourier transform of the Lorentz force (left) and Lamb wave dispersion curves (right) in each panel: (a) EMAT with coil No. 1, and (b) EMAT with coil No. 2.