Title :
Rectangular-shaped sub-wavelength terahertz beam profiling via an all-optical knife-edge technique
Author :
Ho, S.P. ; Mazhorova, Anna ; Shalaby, M. ; Peccianti, Marco ; Clerici, Matteo ; Pasquazi, Alessia ; Ozturk, Y. ; Ali, Jalil ; Morandotti, Roberto
Author_Institution :
INRS-EMT, Univ. of Quebec, Varennes, QC, Canada
Abstract :
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.
Keywords :
II-VI semiconductors; terahertz wave imaging; zinc compounds; ZnTe; ZnTe crystal; all-optical knife-edge technique; blade image; free carriers; rectangular-shaped sub-wavelength terahertz beam profiling; ultra thin knife edge; ultraviolet pulse; Blades; Crystals; Laser beams; Optical pulses; Optical pumping; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
