Sheet array calorimeter for energy deposition depth measurement of intense current electron beam

Abstract

The invention provides a sheet array calorimeter for energy deposition depth measurement of an intense current electron beam. The sheet for absorption of electron beam energy is a ring, and the inner radius of the ring along the axial direction gradually changes; a teflon ring is used as a heat insulation material between two adjacent sheets; the sheet and the teflon ring are connected onto a graphite collimation hole through a teflon screw; the tail end of the calorimeter is provided with an infrared transmitting window; outside the infrared transmitting window, an infrared camera is used to shoot an infrared heat radiation image of the sheet array; the infrared heat radiation image is sent to a computer for image data processing so as to get energy deposited on each sheet; and energy deposition depth distribution of a measured electron beam is offered. According to the invention, the problems that the calorimeter of the graphite sheet array is poor in response time and the requirement of the sheet material is high in mechanical property are solved.

Description

technical field [0001] The invention relates to a sheet array calorimeter capable of measuring the depth distribution of electron energy deposited in a substance when a high-current electron beam interacts with a substance, and is applied in the field of research on the interaction between an electron beam and a substance. Background technique [0002] When a high-current electron beam interacts with a substance, its energy deposition depth distribution in the substance is an important parameter. In order to obtain this parameter, a sheet array calorimeter of the same size is often used in combination with a thermocouple for measurement. The principle is: electrons interact with the sheet array in the calorimeter, energy is deposited in each sheet and converted into heat energy, the temperature of the sheet is recorded over time through a thermocouple, and the energy deposited in the sheet is reversed , to realize the measurement of the energy deposition depth distribution o...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of poor time response of the graphite flake array calorimeter and high requirements on the mechanical properties of the flake material, the present invention provides a flake array calorimeter for measuring the depth distribution of the high-current electron beam energy deposition

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