Broadband terahertz harmonic mixer
A harmonic mixer and terahertz technology, which is applied in the solid-state terahertz field, can solve problems such as the inability to meet the needs of terahertz high-frequency broadband design, and achieve the effect of high applicable frequency range, reduction of resonance points, and wide bandwidth.
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[0036] Example 1:
[0037] Such as figure 1 with figure 2 Shown.
[0038] A wide-band terahertz harmonic mixer, comprising a cavity structure, a radio frequency waveguide 2, a local oscillation waveguide 7. The cavity structure traverses the radio frequency waveguide 2 and the local oscillation waveguide 7, and a quartz substrate is arranged in the cavity structure 10. A pair of Schottky diodes 4 from which the gallium arsenide substrate 16 is removed is provided on the front surface of the quartz substrate 10. The pair of Schottky diodes 4 includes two symmetrical diodes, both of which have a metal anode 14 on the front surface. , The two diodes are diode A and diode B, which also include a front-end circuit and a back-end circuit arranged on the quartz substrate 10. The front surface of the metal anode 14 of the diode A is provided with a gold wire A43, a gold wire A43 and a front end For circuit connection, a gold wire B44 is provided on the front surface of the metal anode 1...
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