Terahertz/laser lamination detector

A detector, terahertz technology, applied to detectors in multispectral composite detection, multimode field, to achieve the effect of small size, good conductivity, and simplified overall structure

Active Publication Date: 2015-02-04
CHINA AIR TO AIR MISSILE INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The purpose of the present invention is to provide a terahertz/laser stacked detector to solve the technical proble...

Method used

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  • Terahertz/laser lamination detector
  • Terahertz/laser lamination detector
  • Terahertz/laser lamination detector

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] figure 1 , figure 2 Shown is a terahertz / laser stacked detector shown in Example 1. The dual-mode stacked detector is composed of a microstrip antenna and a four-quadrant laser detector, wherein the microstrip antenna is formed by an insulating dielectric substrate 1 The upper conductive film patch 2, the metal feeder 3, and the conductive film ground plate 4 under the insulating dielectric substrate 1 are formed. The conductive film ground plate 4 of the microstrip antenna is pasted on the four sides by an infrared-transmitting adhesive 7. On the surface of the quadrant laser detector 5 , the four-quadrant laser detector outputs signals through metal electrodes. The conductive film patch is a 2*2 array, symmetrically distributed according to the center of the detector. The conductive film patches in each array are connected to a metal feed line. The conductive film is a graphene film, and the graphene film is made of three layers of graphene film. The metal feeder...

Embodiment 2

[0026] image 3 It is a terahertz / laser laminated detector shown in Embodiment 2. The conductive thin film patch is a 4*4 array, which is composed of four conductive thin film patches in a 2*2 array.

[0027] The patch size and arrangement of the microstrip antenna are related to the required THz frequency and the number of elements of the antenna, and are set according to specific conditions.

[0028] The concrete preparation process of embodiment 2 is as follows:

[0029] 1. The insulating dielectric substrate 1 is sapphire with a thickness of 0.2 mm, the graphene film patch 2 is a 4×4 patch array pattern, and the material of the metal feeder 3 is chromium / gold. According to the shape of the designed patch antenna, a photolithographic pattern is prepared, including a photolithographic plate for preparing a feeder pattern and a photolithographic pattern for preparing an antenna pattern.

[0030] 2. A single-layer graphene film is grown on a copper foil substrate with chemic...

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Abstract

The invention relates to a terahertz/laser lamination detector which includes a microstrip antenna and a detector element. The microstrip antenna includes conductive thin film pasters and metal feeder lines, which are on an insulating dielectric substrate, and a conductive thin film grounding plate beneath the insulating dielectric substrate. One face of the microstrip antenna, attached with the conductive thin film grounding plate, is attached adhesively on the surface of the detector element through an adhesive. The detector element carries out signal output through metal electrodes. Dual-model laminated detection is realized and the detector is compact in structure, small in volume, and simplified in overall structure so that a foundation is laid for wide application of terahertz/laser dual-mode composite detection.

Description

technical field [0001] The invention relates to a terahertz / laser lamination detector, which belongs to the detector technology in multi-mode and multi-spectrum composite detection. Background technique [0002] The use of dual-mode or multi-mode detection technology can detect the characteristics of the target more effectively, which is one of the mainstream directions for the development of future detection technology. Since the dual-mode or multi-mode composite detection can detect the target characteristics of more than two electromagnetic spectrum bands of the same target, it can provide more information, which is conducive to giving full play to their respective advantages and solving problems that are difficult to solve by a single mode. [0003] Dual-mode common-aperture detection can be achieved by using the antenna as the window of the optical detector, but the antenna must be transparent. Transparent electronics is a very popular research field in recent years. G...

Claims

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Application Information

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IPC IPC(8): H01Q1/38H01Q1/50H01Q1/22H01L31/02H01L31/0232
Inventor 段磊赵方园范永玲孙维国李墨张蓬蓬
Owner CHINA AIR TO AIR MISSILE INST
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