Fig. 1. Schematic diagram of the middle energy X-ray machine

Fig. 2. Path of the laser trigger switch

Fig. 3. Installation graph of laser tube and laser-switch

Fig. 4. Layout of the electricity-trigger unit

Fig. 5. Picture of the trigger unit and No.0-laser

Fig. 6. Block diagram of triggering suquence for the middle energy X-ray device

Fig. 7. Laser pulse and voltage waveform of trigger output

Fig. 8. Statistical delay time of the middle energy X-ray device for 50 consecutive shots