Description:    

Movie S1: The generation of water-in-oil emulsion droplets.
          Sampling rate: 1000 fps.
          Playback rate: 30 fps.
          Width of video: 3.58 mm. 

Movie S2: The generation of oil-in-water emulsion droplets.
          Sampling rate: 125 fps.
          Playback rate: 30 fps.
          Width of video: 3.58 mm. 

Movie S3: The generation of larger emulsion droplets at tubing back area.
          Sampling rate: 125 fps.
          Playback rate: 15 fps.
          Width of video: 3.58 mm. 

Movie S4: The generation of smallest emulsion droplets.
          Sampling rate: 500 fps.
          Playback rate: 60 fps.
          Width of video: 3.58 mm. 


Movie S5: The generation of emulsion droplets with different concentrations.
          Sampling rate: 125 fps.
          Playback rate: 60 fps.
          Width of video: 28.00 mm.

Movie S6: Emulsion droplets coalescence.
          Sampling rate: 125 fps.
          Playback rate: 45 fps.
          Width of video: 13.44 mm.