Elastic Modes of an Anisotropic Ridge Waveguide

Table 2

Constituent plate mode coefficients and propagation constants for the two cases identified in Figure 4. 𝑙=1 is classified as the fundamental symmetric ridge mode and 𝑙=2 is classified as the fundamental antisymmetric ridge mode.

Mode coefficients		𝑙=1(𝑘𝑧𝑙/𝑘sh=1.204)		𝑙=2(𝑘𝑧𝑙/𝑘sh=2.089)
		𝑘𝑥𝑛𝑙/𝑘sh	|𝑎𝑛𝑙|
𝑛=1	Symmetric (L1)	−0.5611+𝑗0.5616	0.7071
𝑛=2	Symmetric (SH0)	0.5611+𝑗0.5616	0.7071
𝑛=3	Antisymmetric (F1)	1.5997	0
𝑛=4	Antisymmetric	0+𝑗2.3539	0
𝑛=5	Antisymmetric	0+𝑗3.8751	0
𝑛=6	Symmetric	0+𝑗8.2936	0.0017