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High-order odd harmonic THz source frequency multiplier

An odd-order harmonic and frequency multiplier technology, applied in the field of odd-order solid-state frequency multipliers, can solve the problem of lack of efficient and stable terahertz odd-order harmonic frequency signal sources, etc., and achieve a simple structure, low requirements, and easy implementation. Effect

Active Publication Date: 2017-11-17
10TH RES INST OF CETC
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Problems solved by technology

But the disadvantage of the existing technology is the lack of efficient and stable terahertz odd harmonic frequency signal source

Method used

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  • High-order odd harmonic THz source frequency multiplier

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Embodiment Construction

[0015] refer to figure 1 . In the embodiment described below, a high-order odd-order harmonic THz source frequency multiplier includes an input rectangular waveguide 1, a microstrip transition structure 2, a local oscillator low-pass filter 3, a Schottky diode 5, and Output microstrip-waveguide transition structure 6, input waveguide-output waveguide 7 transversely connected to output microstrip-waveguide transition structure 6, DC-fed fundamental wave low-pass filter 4 transversely connected to waveguide, wherein, microstrip transition structure 2 Connect to the DC feed fundamental wave low-pass filter 4 through the cavity, and connect the output microstrip-waveguide transition structure 6 through the local oscillator low-pass filter 3, Schottky diode 5 and output microstrip-waveguide transition structure 6 The input waveguide-output waveguide 7 filters the output odd harmonic components. The microstrip transition structure 2 is vertically connected to the fundamental wave ...

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Abstract

The invention discloses a high-order odd harmonic THz source frequency multiplier, and aims to provide a frequency multiplier which is simple in structure, high in efficiency and capable of effectively providing terahertz signals. The high-order odd harmonic THz source frequency multiplier is implemented according to the technical scheme that an external radio frequency signal is inputted through a standard rectangular waveguide (1), gets into a local oscillator low-pass filter (3) through an input waveguide-microstrip transition structure (2) and then enters a Schottky diode. Meanwhile, the external part performs feed excitation on the Schottky diode through direct current feed of a fundamental wave low-pass filter (4). The Schottky diode performs frequency conversion on input fundamental waves to generate high-order harmonic waves which comprise odd harmonic components and even harmonic components, finally the high-order harmonic waves get into an output waveguide (7) through an output microstrip-waveguide transition structure (6), the waveguide is lowered, a high-pass filter for filtering the even harmonic waves is formed, and output is performed through the standard rectangular waveguide. The high-order odd harmonic THz source frequency multiplier solves a problem of realizing a terahertz signal source.

Description

technical field [0001] The present invention is about fields closely related to social development, which can be widely used in broadband communication, radar, medical imaging, object imaging, non-destructive detection, astronomy, environmental monitoring, safety inspection, anti-terrorism detection, near-space communication / satellite communication and radar detection. An odd-order solid-state frequency multiplier in the terahertz frequency band. Background technique [0002] The terahertz frequency band is rich in resources, and the frequency band is located between microwave and millimeter wave and infrared optics, which are relatively well developed in science and technology. It has the advantages of large communication capacity, small system size, and good confidentiality. In addition to meeting the needs of short-distance and large-capacity ground communication, terahertz communication technology can also be used in space communication and signal detection. In the appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03B19/16
CPCH03B19/16Y02D30/70
Inventor 王志辉
Owner 10TH RES INST OF CETC
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