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  • Conference on Lasers and Electro-Optics/International Quantum Electronics Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JWA16
  • https://doi.org/10.1364/CLEO.2009.JWA16

Improved THz imaging with a virtual-source based synthetic aperture focusing technique and coherence weighting

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Abstract

We combine a virtual-source based synthetic aperture focusing technique with coherence weighting to overcome the limited depth-of-focus of high numerical aperture THz optics. Images show depth-independent spatial resolution and a 14 dB improvement in SNR.

© 2009 Optical Society of America

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