3. Terahertz imaging
3.1 Why image with THz
As in conventional optics, THz imaging systems can be broken down into two families: passive imaging, which consists in forming a THz image of an object or scene by exploiting its thermal radiation, and active imaging, in which the scene is illuminated with a continuous or pulsed terahertz source.
As mentioned above, THz waves combine the advantages of optical waves and radio-frequency electromagnetic waves. With the former, they share directivity, i.e. the ability to make devices that are larger than the wavelength, so that they can be oriented or focused towards a given point - in short, manipulated. With the latter, we have the techniques of transmission and detection through the use of antennas, but above all the waves can penetrate...
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Terahertz imaging
Bibliography
Articles and reviews
Websites
Teranaute http://www.armir.fr
Terahertz imaging http://www.alphanov.fr
Research laboratories http://www.rpi.edu/~zhangxc/
Events
5th Terahertz Days – June 10-12, 2009 – Villeneuve d'Ascq http://www.armir.fr/index.php?option=com_content=article=53=93
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