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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies
  • Technical Digest (CD) (Optica Publishing Group, 2004),
  • paper CThT22

Surface-structure identification using THz radar techniques with spatial beam filtering and out-of-focus detection

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Abstract

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.

© 2004 Optical Society of America

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