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1. Exact Reconstruction of THz Sub-\lambda Source Features in Knife-Edge Measurements.

Author

Peccianti, Marco, Clerici, Matteo, Pasquazi, Alessia, Caspani, Lucia, Ho, Sze Phing, Buccheri, Fabrizio, Ali, Jalil, Busacca, Alessandro, Ozaki, Tsuneyuki, and Morandotti, Roberto

Abstract

The spatial features of a subwavelength terahertz source are not accessible using time-integrated knife-edge (KE) techniques due to the nonseparable space-time nature of the radiated field and to systematic modifications induced by the blade itself. We show that by combining KE with a time-resolved electro-optical sampling, the space-time coupling can be addressed and the source field profile can be exactly reconstructed. [ABSTRACT FROM PUBLISHER]

Published
2013
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