Title :
Ultrabroadband THz wave detection beyond 80 THz using photoconductive antenna
Author :
Ashida, M. ; Doi, A. ; Itoh, T. ; Saito, S. ; Sakai, K.
Author_Institution :
Graduate Sch. of Eng. Sci., Osaka Univ., Toyonaka, Japan
Abstract :
Detection limit of photoconductive antenna in mid-infrared region was investigated using ultrabroadband THz wave generated with a GaSe crystal. We found that antenna technique has potential for detection of higher frequency region beyond 80 THz.
Keywords :
II-VI semiconductors; gallium compounds; high-speed optical techniques; photoconducting devices; submillimetre wave spectroscopy; submillimetre waves; GaSe; GaSe crystal; midinfrared region; photoconductive antenna; ultrabroadband THz wave detection; Electrochemical impedance spectroscopy; Frequency estimation; Gas lasers; Gases; Infrared detectors; Infrared spectra; Optical interferometry; Photoconductivity; Sampling methods; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202386
