Fig. 1. Schematic of long time stabilization system with 4f optical setup and CCD camera

Fig. 2. Schematic of LSFM experimental setup

Fig. 3. Control signal sequences for sCMOS camera as well as GM and PZE/NS

Fig. 4. Flow chart for imaging under feedback control

Fig. 5. Full width at half maximum of light sheet in CCD camera. (a) N=1; (b) N=5/2; (c) N=5/3

Fig. 6. Movement of light sheet in CCD camera under step size of 25 nm

Fig. 7. Mechanical drifts in z axis of sample under different conditions

Fig. 8. Effect of mechanical drift on imaging. (a) Effect of mechanical drift in direction perpendicular to imaging plane; (b) effect of mechanical drift in plane

Fig. 9. Imaging effects of fluorescent microspheres under different conditions. (a)-(d) Without feedback; (e)-(h) with feedback