Title :
Ultrabroadband THz field detection beyond 170THz with a photoconductive antenna
Author :
Ashida, M. ; Akai, R. ; Shimosato, H. ; Katayama, I. ; Itoh, T. ; Miyamoto, K. ; Ito, H.
Author_Institution :
Japan Sci. & Technol. Agency, Kawaguchi
Abstract :
We demonstrate ultrabroadband THz field detection with a photoconductive antenna using a combination of ultrashort laser pulses of 6 fs duration and a DAST crystal. We successfully observed ultra-high frequency component beyond 170 THz in near-infrared region.
Keywords :
broadband antennas; high-speed optical techniques; submillimetre wave detectors; DAST crystal; THz field detection; near-infrared region; photoconductive antenna; ultrabroadband detection; ultrashort laser pulses; Frequency; Infrared detectors; Infrared spectra; Nonlinear optics; Optical distortion; Optical pulse generation; Optical pulses; Optical sensors; Photoconductivity; Ultrafast optics; (300.6270) Spectroscopy, far infrared; (320.2250) Femtosecond phenomena;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
