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Terahertz wave rapid rotation scanning imaging system and method

A technology of rotating scanning and imaging system, which is applied in the direction of geological exploration, measuring device, and optical device exploration using millimeter waves. It can solve the problems of scanning tooth pitch error, poor imaging effect, slow imaging speed, etc. The effect of improved imaging time, improved imaging speed, and improved imaging results

Inactive Publication Date: 2016-05-25
SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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Problems solved by technology

[0005] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a terahertz wave fast rotation scanning imaging system and method, which is used to solve the problem of slow imaging speed of progressive two-dimensional mechanical scanning existing in the imaging system of the prior art. , The problem of defects such as tooth pitch error and poor imaging effect caused by scanning

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  • Terahertz wave rapid rotation scanning imaging system and method
  • Terahertz wave rapid rotation scanning imaging system and method
  • Terahertz wave rapid rotation scanning imaging system and method

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Embodiment Construction

[0062] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.

[0063] see Figure 1 to Figure 5 . It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic concept of the present invention, although only the components related to the present invention are shown in the diagrams rather than the number, shape and Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and t...

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Abstract

The invention provides a terahertz wave rapid rotation scanning imaging system and method, and the system comprises a terahertz quantum cascading laser, an objective table, a transmission gathering optical path system, a terahertz quantum well detector, a signal collection processing module, a synchronous control module, and an image display module. The system employ the terahertz quantum cascading laser as the radiation source, employs the photoconduction-type terahertz quantum well detector as the detector, employs the self-designed rotating table and translation platform, a signal transmission gathering optical path and a signal collection processing module, completes the terahertz wave rapid rotation scanning imaging, and remarkably improve the imaging duration and effect. The system and method achieves the actual application of the technology of terahertz wave rapid rotation scanning imaging, successfully improves the imaging speed and effect, and is of great significance to the development and popularization of the technology of terahertz wave rapid rotation scanning imaging.

Description

technical field [0001] The invention belongs to the technical field of application of semiconductor optoelectronic devices, in particular to a terahertz wave rapid rotation scanning imaging system and method. Background technique [0002] THz (terahertz) imaging is one of the important application directions of THz technology. THz radiation refers to electromagnetic radiation with a frequency in the range of 0.1 to 10 THz. Since THz waves have a smaller scattering extinction coefficient than infrared, THz waves are significantly different from infrared and microwave in terms of propagation, scattering, reflection, absorption, and transmission. features. THz waves have good penetrability to non-polar materials (such as cardboard, plastic, ceramics, foam materials, etc.), and can detect hidden contraband; THz photons have small energy and will not cause photoionization of biological tissues. Suitable for biomedical imaging; THz radiation imaging has high resolution, good ima...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V8/14G01V8/00
CPCG01V8/14G01V8/005
Inventor 李孟奇郭旭光曹俊诚谭智勇周涛
Owner SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI
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