Terahertz characterization via an all-optical, ultra-thin-knife-edge technique

• Main Authors: Ho, S. P., Shalaby, M., Peccianti, M., Clerici, M., Pasquazi, A., Ozturk, Y., Ali, J., Morandotti, R.
• Format: Conference or Workshop Item
• Published: 2013
• Subjects: Q Science
• Online Access: http://eprints.utm.my/id/eprint/51342/; https://doi.org/10.1364/CLEO_QELS.2013.JTh2A.54
• Institution: Universiti Teknologi Malaysia

An all-optical, terahertz characterization based on a ultra-thin-knife-edge is demonstrated employing an ultraviolet-pulse to project the image of a blade on a ZnTe crystal, where the free carriers excited on a blade-shaped area act as a field-shield.