Title :
Detection of Pulsed Terahertz Waves Using Ambient Air as the Sensor
Author :
Dai, Jianming ; Xie, Xu ; Zhang, X.-C.
Author_Institution :
Rensselaer Polytech. Inst., Troy
Abstract :
We report the first demonstration of both incoherent and coherent detection of pulsed terahertz waves using ambient air or laser-induced air plasma as the sensor through a third-order nonlinear optical process with femtosecond laser pulses.
Keywords :
measurement by laser beam; optical harmonic generation; optical pulse generation; submillimetre wave detectors; ambient air; coherent detection; femtosecond laser pulses; incoherent detection; laser-induced air plasma; optical sensor; pulsed terahertz wave detection; third-order nonlinear optical harmonic generation; Laser beams; Nonlinear optics; Optical beams; Optical mixing; Optical pulse generation; Optical sensors; Plasma measurements; Plasma waves; Probes; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452768
