Title :
Concealed object detection by sensing the objects’ acoustic phase with terahertz radiation
Author :
Buersgens, Federico F. ; Acuna, Guillermo P. ; Kersting, Roland
Author_Institution :
Photonics & Optoelectron. Group, Munich Univ., Munich
Abstract :
We present a novel terahertz technique for detecting concealed objects by sensing their individual acoustic phase lags when they perform a minute oscillation. The technique is sensitive to virtually all materials.
Keywords :
acoustic signal detection; object detection; submillimetre wave detectors; acoustic phase lags; acoustic phase sensor; concealed object detection; minute oscillation; terahertz radiation; Acoustic imaging; Acoustic signal detection; Frequency; Object detection; Optical imaging; Optical modulation; Optical sensors; Phase detection; Radiation detectors; Vibrations; (110.3080) Infrared Imaging; (110.5120) Photoacoustic imaging;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
