110 GHz passive superconducting terahertz human body security inspection system

A human body security inspection and terahertz technology, which is applied in the field of human body security inspection instruments, can solve the problems of complex manufacturing process and high cost, and achieve the effect of reducing system cost and the number of units used

Inactive Publication Date: 2019-04-16
苏州耶拿微电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The horizontal arrays currently used are generally 64 and 128, that is, 64 or 128 TES and SQUID devices are required. Among these two devices, the manufacturing process of SQUID devices is more complicated than that of TES devices, and the cost is higher

Method used

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  • 110 GHz passive superconducting terahertz human body security inspection system
  • 110 GHz passive superconducting terahertz human body security inspection system

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Embodiment Construction

[0017] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] In the following description, a lot of specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways different from those described here, and those skilled in the art can do it without departing from the meaning of the present invention. By analogy, the present invention is therefore not limited to the specific examples disclosed below.

[0019] The terahertz se...

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Abstract

The invention discloses a 110 GHz passive superconducting terahertz human body security inspection system, and relates to the technical field of human body security inspection instruments. According to the system, the concept of time division multiplexing is introduced on the basis of an existing security inspection system, the number of superconducting quantum interference devices is reduced by time division multiplexing, and therefore each SQUID device can simultaneously support for reading out current of two transition edge sensors. By introducing a GaN HEMT modulator as a terahertz switching device, switching control over response of a TES device is achieved; and the using number of the SQUID devices can be reduced, and therefore the system cost is reduced.

Description

technical field [0001] The invention relates to the technical field of human body security inspection instruments, in particular to a 110GHz passive superconducting terahertz human body security inspection system. Background technique [0002] Terahertz waves refer to electromagnetic waves with a frequency in the range of 100GHz-10THz, which overlap with the high-end of millimeter waves, submillimeter waves and far infrared, and are in the transitional field from macroelectronics to microphotonics. . Terahertz waves occupy a very special position in the electromagnetic spectrum. Terahertz is a new radiation source with many unique advantages; Terahertz technology is a very important cross-frontier field, which provides a very attractive opportunity for technological innovation, national economic development and national security. Terahertz waves are naturally penetrating to non-metallic and non-polar substances, and are very suitable for detecting human bodies and various ...

Claims

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Application Information

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IPC IPC(8): G01V8/20
CPCG01V8/20
Inventor 胡海涛
Owner 苏州耶拿微电子有限公司
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