ULC1001-DRV290XEVM: how to drive the Piezoelectric materials

Tool/software:

hi sir

we would like to use the Ultrasonic Cleaning technology to clean the lens

we bought the evb for test the vibrator, but the swing is low, may I know how to driver more power on vibrator ?

thanks

fr = 62k Hz

Zr < 40Ohm

Cs =  950 pF

lens with ringing as below