Table 1. Threshold Powers for Pumping/Jetting of a 1 μL Droplet for the SAW Devices on Al Sheets of Different Thicknesses at the Same Wavelength of 200 μm Using Different Wave Modes.

Al sheet thickness (μm)		50	200	600	1500
threshold pumping power (W)	R0		0.5	0.6	0.5
	A0	2.6	0.5
	S0	7.0	2.1
	Sezawa		16	14	16
threshold jetting power (W)	R0		16	18	16
	A0		16
	S0		22
	Sezawa