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A terahertz imaging device and method

A terahertz imaging and terahertz technology, applied in the terahertz field, can solve the problems of slow imaging speed and inability to satisfy users, and achieve the effect of avoiding aberration, improving speed, and improving signal-to-noise ratio.

Active Publication Date: 2018-11-23
SHENZHEN CCT THZ TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In many scenarios, such a slow imaging speed cannot meet the needs of users

Method used

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  • A terahertz imaging device and method
  • A terahertz imaging device and method
  • A terahertz imaging device and method

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Embodiment Construction

[0038] In order to explain the embodiments and technical solutions of the present invention more clearly, the technical solutions of the present invention will be described in more detail below with reference to the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0039] figure 1 It is a schematic diagram of the composition of a terahertz imaging device provided by an embodiment of the present invention, such as figure 1 As shown, the device includes: a collimation module 101, a mask module 102, a transmitted wave acquisition module 103, and a signal processing module 104; among them,

[0040] The collimation module 101 is used to collimate the incident terahertz signal ...

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Abstract

The invention discloses a terahertz imaging device and method. The terahertz imaging device comprises a collimation module, a masking module and a transmissive wave acquisition module. The collimation module is used for collimating incident terahertz signals and then enabling the terahertz signals to irradiate the masking module and an object to be imaged. The masking module is used for covering the part in front of the object to be imaged to control the irradiation region, irradiated by the terahertz signals, of the object. The transmissive signal acquisition module is used for acquiring the transmissive terahertz signals obtained after object transmission and converting the transmissive terahertz signals into electric signals to send to a signal processing module. The signal processing module is used for controlling the masking module to move and conducting object imaging according to the corresponding electric signals.

Description

Technical field [0001] The present invention relates to the technical field of terahertz (Tera Hertz, THz), and in particular to a terahertz imaging device and method. Background technique [0002] With the development of terahertz technology, the use of terahertz time-domain spectroscopy for imaging has attracted more and more attention. The traditional terahertz time-domain spectroscopy imaging technology is to place the sample at the focus of the terahertz spot and move it through a two-dimensional translation stage. Sample, collect the terahertz spectrum of each pixel. Finally, the terahertz image is restored by the corresponding algorithm. This imaging method can simultaneously obtain the spectral information and image information of the sample is a spectral imaging method. The disadvantage is that since each pixel is scanned one by one, the imaging speed is relatively slow. Generally, it takes 1024 sampling points to collect a terahertz spectrum, and it takes 200s-300s t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17
Inventor 吴光胜张艳东丁庆
Owner SHENZHEN CCT THZ TECH CO LTD