Investigation of a 30-GHz Relativistic Diffraction Generator with a Coaxial Reflector

Z.-J. Shi Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China;, Email: [email protected]

Z.-Q. Yang Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

F. Lan Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

G. Xi Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

F. Tao Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

Z. Liang Institute of High Energy Electronics, University of Electronic Science and Technology of China, No. 4, Section 2, North Jianshe Road, Chengdu 610054, China

Abstract

This paper studies a 30-GHz relativistic diffraction generator with a coaxial reflector. The high frequency system is a disk-loaded cylindrical overmoded slow-wave structure. In order to decrease the energy leaking out from the diode end and increase output power, a coaxial reflector is placed upstream at the slow-wave structure. The reflector is designed with a center frequency of 30 GHz. Simulations and experiments of the device have been carried out. The measured microwave power is over 300 MW, and the pulse duration is about 20 ns. The microwave output power can be enhanced by adding a reflector to the devices.

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Investigation of a 30-GHz Relativistic Diffraction Generator with a Coaxial Reflector

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Investigation of a 30-GHz Relativistic Diffraction Generator with a Coaxial Reflector

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