. Author manuscript; available in PMC: 2015 Aug 10.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Jul;62(7):1356–1372. doi: 10.1109/TUFFC.2015.007062

Table I.

Summary of measured ultrasound safety parameters of the four detection pulses

		Single pulse	Barker 13	Chirp short	Chirp long	FDA Regulatory Limit
MI		0.44	0.47	0.54	0.61	1.90
TI		0.01	0.04	0.08	0.16	6
I_{SPTA, 0.3} (mW/cm²) at 2500 Hz PRF		34.4	137.3	153.7	321.6	720
TR (°C)	Probe surface Within tissue	< 0.1	< 0.1	< 0.1	0.2	6
TR (°C)	Probe surface Within tissue	0.008	0.032	0.036	0.075	6