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Terahertz (THz) confocal scanning imaging is a combination of confocal scanning microscope and THz imaging, which could effectively improve the imaging resolution of the imaging system. The size of the confocal pinholes has a great influence on the system's resolution. When the confocal pinholes are removed from the optical path, blurred imaging results are obtained. Lucy-Richardson method is applied...
THz laser can penetrate a wide range of materials which are opaque to visible and near infrared light. So THz imaging has been an important research direction nowadays. When using the THz imaging methods of point-by-point scanning transmission, the laser output power’s fluctuation has a big influence on the imaging quality, which is the main source of the imaging noise. In this paper, the influence...
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