Fig. 1. Incident angle of laser to DMD

Fig. 2. One second rendering of two-channel 10 frame·s-1 video

Fig. 3. One second rendering of four-channel 40 frame·s-1 video

Fig. 4. Optical path diagram of four-channel fluorescence microscopy imaging system based on DMD

Fig. 5. (a) DMD full-open fluorescence microscopy imaging; (b) fluorescence microscopy imaging of two-channel 10 frame·s-1 video; (c) fluorescence microscopy imaging of four-channel 40 frame·s-1 video

Fig. 6. (a) Actual two-way mixed-time-domain modulated signal acquired by PMT; (b) analog two-way mixed-time-domain modulated signal

Fig. 7. (a) Spectrogram of two-way mixed fluorescence signal collected by PMT; (b) time-domain cell intensity signals corresponding modulation frequency of 3.3 Hz and 5.0 Hz

Fig. 8. (a) Actual four-way mixed time-domain modulated signal collected by PMT; (b) analog four-way mixed time-domain modulated signal; (c) spectrogram of four-way mixed fluorescence signal collected by PMT; (d) time-domain cell intensity signal corresponding modulation frequency of 8 Hz, 10 Hz, 13.3 Hz and 20 Hz