Rectangular-shaped sub-wavelength terahertz beam profiling via an all-optical knife-edge technique

HO S. P. , MAZHOROVA A., SHALABY M., PECCIANTI M., CLERICI M., PASQUAZI A., ...Daha Fazla

Conference on Lasers and Electro-Optics (CLEO), San-Jose, Kostarika, 8 - 13 Haziran 2014 identifier identifier

  • Basıldığı Şehir: San-Jose
  • Basıldığı Ülke: Kostarika

Özet

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.