Ultrasonic beam focusing characteristics of shear-vertical waves for contact-type linear phased array in solid<xref rid="cpb_29_3_034304fn1" ref-type="fn">*</xref><fn id="cpb_29_3_034304fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11774377 and 11574343).</p></fn>

Ultrasonic beam focusing characteristics of shear-vertical waves for contact-type linear phased array in solid**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11774377 and 11574343).

Dai Yu-Xiang^{1, 2}, Yan Shou-Guo^{1, †}, Zhang Bi-Xing^{1, 2}

The directivity patterns of beam focusing field of SV waves excited by contact-type linear phased array for various element widths: (a) 2a/λ_s = 0.5, (b) 2a/λ_s = 1.0, (c) 2a/λ_s = 1.5 (N = 32, d = 1.5 λ_s, r_f = 40 mm).