Fig. 4: The open-loop test results of the MEMS FSM.

a Resonant frequency of two axes; b tilting angle linearity of two axes at full scale (±110 V); c angular resolution at 16.5 mV each step; d angular resolution at 13.75 mV each step; e two-dimensional sweep repeatability; f repeatability of zero position of two axes; g tilting angle repeatability of two axes; h step response of two axes; i maximum operational bandwidth; and j tilting angle stability of two axes