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A sub-terahertz wave detector with enhanced thermal effect

A Hertzian wave and thermal effect technology, which is applied in the field of sub-hertz wave detection, can solve the problems of sensitivity defects and affecting the carrier efficiency of graphene electrical channels, etc., and achieve the effect of improving sensitivity, improving sensitivity, and improving sensitivity

Active Publication Date: 2020-11-24
金华伏安光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to solve the problem that existing sub-terahertz wave detectors have sensitivity defects and affect the carrier efficiency of graphene electrical channels

Method used

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  • A sub-terahertz wave detector with enhanced thermal effect
  • A sub-terahertz wave detector with enhanced thermal effect
  • A sub-terahertz wave detector with enhanced thermal effect

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Embodiment 1

[0021] In order to solve the problem that existing sub-terahertz wave detectors have sensitivity defects that affect the carrier efficiency of graphene electrical channels. This embodiment provides a Figure 1 ~ Figure 4 The shown sub-terahertz wave detector with enhanced thermal effect includes a substrate layer 1, and above the substrate layer 1, lead electrodes 2 spaced from each other and a logarithmic periodic antenna 3 are arranged, and the two arms of the logarithmic periodic antenna 3 are respectively Electrically connected with the corresponding lead electrode 2, the two arms of the logarithmic periodic antenna 3 form a conductive channel through the graphene conductive layer 6; the top of the logarithmic periodic antenna 3 is provided with a dielectric layer 4, and the dielectric layer 4 A split grid 5 is arranged on it, and a lead electrode 2 electrically connected with the split grid 5; the substrate layer 1 is positioned at the bottom of the two arms of the logari...

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Abstract

The invention relates to a sub-terahertz wave detector for enhancing a heat effect. The sub-terahertz wave detector comprises a substrate layer, wherein lead electrodes and a log-periodic antenna arearranged above the substrate layer; the two arms of the log-periodic antenna are electrically connected to the corresponding lead electrodes; the two arms of the log-periodic antenna form a conductivechannel through a graphene conductive layer; a dielectric layer is disposed above the log-periodic antenna and is provided with a splitting gate and a lead electrode electrically connected to the splitting gate; and a condensing cavity is disposed below the two arms of the log-periodic antenna. The sub-terahertz wave detector for enhancing a heat effect reflects light waves so that the log-periodic antenna can absorb the light wave again. Thus, the log-periodic antenna can absorb more light waves and can convert more light waves into heat energy. Thus, the graphene conductive layer can absorbmore heat, thereby being improved in sensitivity and improving the sensitivity of the sub-terahertz wave detector.

Description

technical field [0001] The invention belongs to the technical field of sub-terahertz wave detection, and in particular relates to a sub-sub-hertz wave detector with enhanced thermal effect. Background technique [0002] Terahertz waves are electromagnetic waves with a frequency in the range of 0.1 to 10 THz (1 THz = 1012 Hz), with a wavelength range of 3 mm to 30 μm, which is located between millimeter waves (submillimeter waves) and infrared waves. Terahertz photons correspond to an energy range of 0.414-41.4meV, which matches the low-frequency vibration and rotational energy range of molecules and materials. These determine the special position of terahertz waves in the electromagnetic spectrum and the characteristics and applications that are significantly different from millimeter waves and infrared rays in terms of propagation, scattering, reflection, absorption, and penetration. A lot of free space. [0003] Terahertz waves have many unique properties such as broadba...

Claims

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Application Information

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IPC IPC(8): H01L31/0232H01L31/113G01J1/42
Inventor 不公告发明人
Owner 金华伏安光电科技有限公司
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