Optical Radiation Monitoring Equipment for High Power Microwave Cavities

Abstract

The invention discloses optical radiation monitoring equipment for a high-power microwave cavity, and the equipment comprises a power interface, and also comprises a shielding box. The equipment alsocomprises an upper circuit board disposed at the upper part of the interior of the box, wherein the upper circuit board comprises a power module and a self-inspection circuit; a lower circuit board which is installed below the box body and comprises a photoelectric conversion probe, an I-V conversion circuit, a filtering module, a signal judgment module, and an alarm logic judgment module. The photoelectric conversion probe converts a light signal into an electric signal, and then inputs the electric signal into the I-V conversion circuit. The filtering module carries out the amplification ofa signal voltage through an amplification circuit, and the signal judgment module converts an analog signal into a logic level signal. The alarm logic judgment module takes a logic level signal as a hardware alarm signal and inputs the hardware alarm signal into a protection system. The equipment comprises an SMA interface; an optical sensing probe; and cooling fins. Compared with the prior art, the equipment has the following advantages that (1), the equipment is high in performance stability, and is high in response speed; (2), the equipment is simple in operation, is low in design cost, andis convenient to install.

Description

technical field [0001] The invention relates to optical radiation monitoring equipment, in particular to optical radiation monitoring equipment for high-power microwave cavities. Background technique [0002] High-power microwave HPM refers to a strong electromagnetic pulse with an instantaneous power exceeding 100MW and a frequency range between 1G-300GHz. It has the characteristics of high frequency, short pulse and high power; it has important applications in military, industrial equipment and scientific research. Especially in high-current particle accelerators, high-power microwave sources are often selected as the excitation source of the cavity. In the actual working environment, when high-power microwaves are transmitted in a vacuum environment, secondary electron multiplication effects or arc discharge effects will occur due to factors such as imperfections in the manufacturing process of power transmission equipment. The occurrence of these two effects will cause ...

AI Technical Summary

Problems solved by technology

However, most of the existing solutions use optical fibers to send optical signals to remote sensing signal monitoring circuits. When the optical fibers are damaged, frequent replacement of parts is required, which increases manpower and hardware costs; The working environment of the high-power microwave cavity of the particle accelerator has certain radiation, so it is necessary to reduce the occurrence of system failures, thereby reducing the number of human operations, resulting in limited use

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