We propose two terahertz reflectometry modalities, optimized to be sensitive to the curvature of surface features. A dark-field approach yields higher sensitivity whilst the out-of-focus technique allows one to distinguish between convex and concave shapes.
Surface-structure identification using THz radar techniques with spatial beam filtering and out-of-focus detection
Conference on Lasers and Electro-Optics, 2004. (CLEO). ; 2 ; 2 pp. vol.2
2004-01-01
95826 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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