Fig. 1. Calculation principle of dilating ratio of pulse-dilation framing camera

Fig. 2. Design of picosecond gating pulse. (a) Schematic diagram of circuit; (b) output gating pulse

Fig. 3. Influence of dilating pulse transmission along photocathode on dilating ratio. (a) Amplitude varying with time; (b) dilating ratios at different photocathode positions

Fig. 4. Effect of falling edge of gating pulse on temporal uniformity. (a) Falling edge of pulse; (b) comparison of potential changes along photocathode; (c) comparison of dilating ratios along photocathode; (d) difference percentage of dilating ratio between other sampling points and first sampling point