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Three-channel runaway electron energy spectrum measuring device under nanosecond pulse discharge

A technology of nanosecond pulses and escaped electrons, which is applied in the direction of X-ray energy spectrum distribution measurement, etc., can solve the problems that the energy spectrum of escaped electrons cannot be measured, and the discharge situation cannot be measured.

Active Publication Date: 2017-04-26
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

Patent CN201410027333.3 introduces a basic beam measurement device for escaped electrons under nanosecond pulsed gas discharge, but the waveform effect of the escaped electron beam and the effective radius of the measurement need to be improved; in addition, this method can only To measure the escaped electron beam current at the discharge center, the discharge conditions in different regions cannot be measured, nor can the escaped electron energy spectrum be measured, so a new measurement method needs to be designed

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  • Three-channel runaway electron energy spectrum measuring device under nanosecond pulse discharge
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[0035] 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.

[0036] A three-channel escape electron energy spectrum measurement device under nanosecond pulse discharge, such as figure 1 As shown, it includes: a nanosecond pulse power supply 1 , a discharge chamber 2 , an escape electron beam collector 3 and an oscilloscope 4 . The discharge chamber 2 is a coaxial structure, such as figure 2 As shown, and the outside of the discharge chamber 2 is provided with an extension flange interface 5, and the inside of the discharge chamber 2 is provided with a high-voltage electrode 6. The high-voltage electrode 6 is a tubular or pointed electrode, and its material...

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Abstract

The invention relates to a three-channel runaway electron energy spectrum measuring device under nanosecond pulse discharge, comprising: a nanosecond pulse power supply, a discharge chamber, a runaway electron beam collector and an oscilloscope which are successively connected, wherein the runaway electron beam collector comprises three or more same coaxial collectors each having a signal output end and each being connected to the oscilloscope via a coaxial cable, the output end of the nanosecond pulse power supply is connected to the oscilloscope via a voltage divider. The three-channel runaway electron energy spectrum measuring device can measure the runaway electrons generated by discharging in different regions so as to analyze the time-domain distribution and the energy spectrum distribution of the runaway electrons in space, and can be widely applied to the theoretical analysis and application research of nanosecond pulse discharge.

Description

technical field [0001] The invention relates to a three-channel escape electron energy spectrum measuring device under nanosecond pulse discharge. Background technique [0002] Nanosecond pulsed gas discharge is the most concerned research field in pulsed power technology. Nanosecond pulsed discharge covers waste solids, waste liquids, waste gas treatment, radiation modification, nano-manufacturing, medium average power laser, biomedical disinfection and sterilization Disease treatment and other national economy and national defense science and technology fields. The unique ultra-short rising edge of the nanosecond pulse can effectively suppress the formation of the spark channel, which is conducive to generating a relatively uniform discharge in atmospheric pressure air, and has a very broad application prospect. At the same time, nanosecond pulse discharge also has many characteristics different from conventional discharge, such as inability to fully form streamers, high ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01T1/36
CPCG01T1/36
Inventor 章程侯兴民邵涛邱锦涛
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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