Rectangular-shaped sub-wavelength terahertz beam profiling via an all-optical knife-edge technique
Conference paper > Full Text
Authors: S. P. Ho, A. Mazhorova, M. Shalaby, M. Peccianti, M. Clerici, A. Pasquazi, Yavuz ÖZTÜRK, J. Ali, R. Morandotti
CLEO: 2014, , , International, Full Text, vol 67, pp JTh2A.61-JTh2A.61
DOI: 10.1364/cleo_at.2014.jth2a.61
Summary
An all-optical, sub-wavelength terahertz characterization technique based on an ultra-thin-knife-edge is demonstrated employing ultraviolet-pulse to project the blade image on a ZnTe crystal, where the free carriers excited on a blade-shaped area act as field-shield.