Title :
Spatial confinement of broadband THz pulses with a twin-needle probe for THz spectroscopy
Author :
Mitrofanov, Oleg ; Renaud, Cyril C. ; Seeds, Alwyn J.
Author_Institution :
Electron. & Electr. Eng., Univ. Coll. London, London, UK
Abstract :
Spatial confinement of broadband THz pulses to a 10 micrometer spot is achieved using a twin-needle probe. Combined with a THz subwavelength aperture near-field probe, it enables broadband THz spectroscopy of single micrometer-size objects.
Keywords :
terahertz spectroscopy; THz subwavelength aperture near-field probe; broadband THz pulses; broadband THz spectroscopy; single micrometer-size objects; spatial confinement; twin-needle probe; Apertures; Broadband communication; Needles; Optical surface waves; Probes; Spectroscopy; Surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
