Distribution terahertz oscillator

An oscillator and terahertz technology, applied in the field of terahertz electromagnetic wave sources, can solve problems such as no further process research

Inactive Publication Date: 2012-04-04
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Abstract
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Embodiment Construction

[0049] A distributed-interaction terahertz oscillator of the present invention is a distributed-interaction oscillator (Extended-Interaction Oscillator, EIO), which adopts a periodic slow wave structure to form a modulation resonant cavity. The periodic slow wave structure as a modulating resonant cavity can work in the back wave mode or the forward wave mode, and interact with the electron beam in the form of distributed action, so that the electron beam is modulated by speed and density. Such as figure 1 As shown, the device is composed of an electron gun 1, an interaction region and a collector, and the interaction region is mainly composed of a periodic full-wave structure modulation resonator 2, a drift section 3 and an energy extraction cavity 4. The function of the periodic full-wave structure modulation resonant cavity 2 is to modulate the electron beam, the function of the drift section 3 is to provide a gathering space for the electron beam, and the function of the e...

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Abstract

The invention discloses a distribution terahertz oscillator, which relates to technique of THz (terahertz) electromagnetic wave sources and comprises an electron gun, an interaction region and a collector. The interaction region consists of a periodic slow wave structured modulation resonant cavity and an energy extraction cavity, and the modulation resonant cavity is in a periodic slow wave structure which can be operated in a backward wave mode or a forward wave mode to be interacted with electron beams in a distributive manner, so that the electron beams can be modulated in terms of speed and density. The distribution terahertz oscillator integrates advantages of a backward wave tube and a distribution klystron, and has the advantage of suitableness for generating THz electromagnetic waves.

Description

technical field [0001] The invention relates to the technical field of terahertz (THz) electromagnetic wave sources, and relates to a terahertz oscillator with return wave distribution effect. Background technique [0002] In recent years, people's research in the THz field has aroused great enthusiasm both at home and abroad. One of the reasons is that many distant stars radiate electromagnetic waves in the THz frequency band, and radio astronomy telescopes that passively observe star radiation require THz electromagnetic wave sources as local oscillators. The second reason is that the absorption peaks of many substances are in the THz frequency band, so THz electromagnetic waves have a lot of opportunities in the research of material properties, chemical dynamics, energy division and energy flow in atoms or molecules. For example, the rotational absorption spectrum of dissolved HCI can be studied using THz transmission and far-infrared spectroscopy. The last reason is mi...

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Application Information

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IPC IPC(8): H01J25/02H01J23/24
Inventor 王自成刘青伦刘濮鲲董芳李海强徐安玉
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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