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.
© 2008 Optical Society of America
F. F. Buersgens, G. P. Acuna, and R. Kersting, "Concealed Object Detection by Sensing the Objects’ Acoustic Phase with Terahertz Radiation," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CThD4.
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