Title :
Superfocusing of terahertz waves in V-groove metallic structure
Author :
Tsuzuki, Satoshi ; Kurihara, Kazuyoshi ; Kuwashima, Fumiyoshi ; Furuya, Takashi ; Yamamoto, Kohji ; Tani, Masahiko
Author_Institution :
Res. Center for Dev. of Far-Infrared Region, Univ. of Fukui, Fukui, Japan
Abstract :
In this report we present our experimental study on a super-focusing effect of a V-groove metallic structure for THz pulsed waves. Without using coupling lens, a 17% amplitude transmission of THz broadband waves (0~2.5 THz) through a 2-μm bottom-width was observed without significant waveform distortion and phase delay.
Keywords :
terahertz waves; waveguide couplers; THz broadband waves; THz pulsed waves; V-groove metallic structure; frequency 0 THz to 2.5 THz; size 0.2 mum; terahertz wave superfocusing; Antennas; Educational institutions; Laser beams; Measurement by laser beam; Metals; Optical surface waves; Optical waveguides;
Conference_Titel :
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location :
Houston, TX
Print_ISBN :
978-1-4577-0510-6
Electronic_ISBN :
2162-2027
DOI :
10.1109/irmmw-THz.2011.6104802
