Continuous-terahertz-wave imaging system and method thereof

A terahertz wave imaging and terahertz focus technology, applied in the field of continuous terahertz wave imaging system, can solve the problem of high noise equivalent power, and achieve the effects of reducing noise equivalent power, improving thermomechanical response rate, and improving detection sensitivity

Active Publication Date: 2017-08-18
INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0006] The continuous terahertz wave imaging system and method provided by the present invention can solve the problem of high noise equivalent power in the optical readout continuous terahertz wave imaging system in the prior art

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Embodiment Construction

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. 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.

[0044] In the first aspect, the present invention provides a continuous terahertz wave imaging system. figure 1 A schematic diagram of the transmission structure of the continuous terahertz wave imaging system is shown. Such as figure 1 As shown, the continuous terahertz wave imaging system includes: a continuous terahertz radiation source ...

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Abstract

The invention provides a continuous-terahertz-wave imaging system, which comprises a continuous terahertz radiation source, a sample table, a terahertz focal plane array, an optical system, a camera and a computer. The continuous-terahertz-wave imaging system also comprises a modulator between the continuous terahertz radiation source and the sample table, and is used for modulating the light intensity of a terahertz continuous wave. The invention also provides a continuous-terahertz-wave imaging method. According to the continuous-terahertz-wave imaging system and the continuous-terahertz-wave imaging method provided by the invention, the effects on reducing the system noise equivalent power and improving the system detection sensitivity can be achieved.

Description

technical field [0001] The present invention relates to the technical field of electromagnetic wave imaging, in particular to a continuous terahertz wave imaging system and a method thereof. Background technique [0002] Terahertz wave is an electromagnetic wave with a frequency in the range of 0.1THz to 10THz, and a wavelength in the range of 0.03-3mm, which is between infrared light and millimeter wave. It has the characteristics of high penetration, low energy, fingerprint spectrum, etc., so it is used for Imaging can effectively complement traditional visible light, infrared, microwave and other imaging, and has great scientific value and broad application prospects in safety testing, quality control, and disease diagnosis. [0003] According to the generation and detection mechanism of terahertz waves, terahertz imaging technology can be divided into two categories: pulse wave imaging and continuous wave imaging. The basic principle of pulsed terahertz wave imaging is ...

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Application Information

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IPC IPC(8): G01N21/3581G01N21/01
CPCG01N21/01G01N21/3581
Inventor 傅剑宇尚海平李志刚王玮冰陈大鹏
Owner INST OF MICROELECTRONICS CHINESE ACAD OF SCI
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