Capillary discharging X-laser device using blumlein line and eliminating prepulse
A pre-pulse, laser device technology, applied in circuits, electrical components, phonon exciters, etc., can solve the problems of inability to quickly separate the plasma from the tube wall, uneven breakdown of the channel, and tube wall ablation, etc. The effect of reduced wall ablation, reduced background radiation, and easy maintenance
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specific Embodiment approach 1
[0010] Specific embodiment one: this embodiment is described in conjunction with Fig. 4, Fig. 5, Fig. 6, this specific embodiment consists of a fast high-voltage electrical pulse Marx generator 1, a main switch 2, a Blumlein transmission line 3, an inherent pre-pulse isolation switch 4, Pre-pulse generator 5, isolation inductor 6, capillary and X-ray test assembly 7;
[0011] The electric pulse output end of the fast high-voltage electrical pulse Marx generator 1 is connected to the input end of the main switch 2, the output end of the main switch 2 is connected to the input end of the Blumlein transmission line 3, and the output end of the Blumlein transmission line 3 is connected to the intrinsic pre-pulse isolation switch 4 The input end of the pre-pulse isolation switch 4 and one end of the isolation inductance 6 are all connected to the electric pulse input end (cathode) of the capillary and X-ray test assembly 7, and the other end of the isolation inductance 6 is connecte...
specific Embodiment approach 2
[0017] Specific embodiment 2: This embodiment is described in conjunction with FIG. 4 . In this embodiment, a capacitor C is added on the basis of the specific embodiment 1. One end of the capacitor C is connected to the input end of the intrinsic pulse isolation switch 4, and the other end of the capacitor C is connected to the ground. . The capacitance value of the capacitor C is 100pf˜900pf.
[0018] This embodiment has the best isolation effect on the inherent pre-pulse, and can completely ensure the stable operation of the capillary discharge device, and at the same time obtain a good main pulse current waveform, which further increases the amplitude of the laser peak.
[0019]Working principle: when the system is working, the pre-pulse generator 5 applies the pre-pulse to the cathode of the capillary and X-ray test assembly 7 through the isolation inductance 6, and at the same time triggers the fast high-voltage electric pulse Marx generator 1 through a delay circuit Wo...
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