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Method and system for improving terahertz scanning imaging speed

A scanning imaging and terahertz technology, which is applied in the application field of terahertz waves, can solve the problem of high cost and achieve the effect of improving the speed of terahertz scanning and imaging

Active Publication Date: 2014-02-12
HUBEI JIUZHIYANG INFRARED SYST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method and system for increasing the speed of terahertz scanning imaging in view of the defect that the cost of increasing the speed of terahertz scanning imaging in the prior art is too high

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  • Method and system for improving terahertz scanning imaging speed

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] Such as figure 1 as shown, figure 1 It is a block diagram of an embodiment of the present invention. This embodiment includes a terahertz wave source 1, a terahertz wave detector 2, a first beam splitter 3, a collimator lens 4, a second beam splitter 5, a plane metal mirror 6, a chopper 7, and a chopper 8 , chopper controller 9, 90° off-axis parabolic metal mirror 10, 90° off-axis parabolic metal mirror 11, two-dimensional electronically controlled translation platform 12, electronically controlled translation platform controller 13, computer 14, data acquisition card 15 and the object to...

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Abstract

The invention discloses a system for improving a terahertz scanning imaging speed. The system comprises a terahertz wave source, a terahertz wave detector, a first beam splitter, a collimating lens, a second beam splitter, a planar metal reflecting mirror, a first chopper, a second chopper, a chopper controller, a first 90-degree off-axis paraboloidal metal reflecting mirror, a second 90-degree off-axis paraboloidal metal reflecting mirror, a two-dimensional electric control displacement table, an electric control displacement table controller, a computer and a data acquisition card. According to the system provided by the invention, the terahertz scanning imaging speed can be doubled at the same scanning speed by virtue of only one continuous terahertz wave source and only one point terahertz detector.

Description

technical field [0001] The present invention relates to the application field of terahertz waves, in particular to a method and system for increasing the speed of terahertz scanning and imaging. Background technique [0002] Terahertz (THz) waves generally refer to electromagnetic waves with a frequency between 0.1 THz and 10 THz (wavelength between 3 mm and 30 μm), and are located between microwave and infrared radiation in the electromagnetic spectrum. THz waves can penetrate many dielectric materials and non-polar materials, such as clothing, plastic and paper, etc., and can perform perspective imaging on objects that are opaque to visible light, and its photon energy is very low and will not ionize organisms, so Hertz imaging is a safe imaging technique. In addition, terahertz waves have shorter wavelengths than millimeter-wave imaging techniques, so they can provide higher spatial resolution. Based on the above characteristics, terahertz wave imaging technology has i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/3581
Inventor 袁英豪赵坤孙峰邓代竹李渊梁娟张青张保
Owner HUBEI JIUZHIYANG INFRARED SYST CO LTD
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