Magnetic insulation coaxial diode with optical observation function
A magnetic insulation and diode technology, applied in circuits, waveguide devices, electrical components, etc., can solve the problems of difficult to capture plasma axial information, complex structure of magnetic insulation coaxial diodes, and difficulty in taking pictures.
Active Publication Date: 2022-04-26
NAVAL UNIV OF ENG PLA
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Problems solved by technology
However, it is difficult to directly photograph the plasma in a magnetically insulated coaxial diode. Compared with a planar diode, the structure of a magnetically insulated coaxial diode is more complicated. The outer layer is usually wrapped with a guiding magnetic field coil, so it is difficult to directly Capture plasma axial information
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[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0022] In order to solve the problem that the traditional magnetically insulated coaxial diode is difficult to directly capture the plasma axial information from the side of the cathode, the present invention provides a magnetically insulated coaxial diode with optical observation function, such as figure 1 As shown, the magnetically insulated coaxial diode includes a cathode 5 and an anode.
[0023] One end of the cathode 5 is connected to the cathode seat (not shown in the figure) of the inner conductor of the external pulse power source, and the other end of the cathode 5 is closely nested with ...
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The invention discloses a magnetic insulation coaxial diode with an optical observation function, which comprises a cathode and an anode, and is characterized in that a cathode head is tightly nested on the other end face of the cathode; the anode comprises a pulse power source baffle and an anode outer cylinder, a hollow integrated magnetic field sleeve is nested in the surface of the anode outer cylinder, two annular grooves are formed in the side face of the integrated magnetic field sleeve at intervals, identical coils are wound in the two annular grooves, and the distance between the two coils does not exceed 10% of the average value of the inner radius and the outer radius of the coils; the coaxial axis of the two coils coincides with the horizontal line where the cathode is located, the two coils are electrified with currents in the same direction in the working process, a lateral observation channel is formed in the position, between the two coils, of the side face of the integrated magnetic field sleeve, the lateral observation channel is right opposite to the cathode head, and the lateral observation channel is communicated with a hollow cavity of the integrated magnetic field sleeve. A lateral observation window is arranged on the outer end face of the lateral observation channel. According to the invention, the optical observation of the axial expansion of the cathode plasma of the magnetic insulation coaxial diode can be realized.
Description
technical field [0001] The invention belongs to the technical field of magnetically insulated coaxial diodes, and more specifically relates to a magnetically insulated coaxial diode with an optical observation function. Background technique [0002] In the High-Power Microwave (HPM) system, the pulse-driven source is first loaded with high-voltage pulses, and then the diode cathode generates a high-current electron beam, and finally the energy of the electron beam is converted by the beam-wave interaction in the microwave source device. become high-power microwaves. Therefore, the generation of electron beam is one of the most important links in the HPM system. So far, most HPM sources use the plasma generated by the explosive emission cold cathode as the electron beam source, and it is currently the only cathode that can provide an emission current density of kA / cm2 magnitude. The cold cathode generates a large amount of plasma through the explosive emission process, form...
Claims
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Login to View More IPC IPC(8): H01P1/15
CPCH01P1/15Y02E30/10
Inventor 朱丹妮崔言程王海涛袁玉章罗康
Owner NAVAL UNIV OF ENG PLA