Title :
Video Rate THz imaging based on frequency upconversion using a near-IR CMOS camera
Author :
Tekavec, Patrick ; Fast, Dylan ; Mcnee, Ian ; Kozlov, Vladimir ; Yun-Shik Lee ; Vodopyanov, Konstantin
Author_Institution :
Microtech Instrum., Eugene, OR, USA
Abstract :
We demonstrate a video-rate THz-imaging system based on upconversion of THz pulses into the infrared. Sideband generation by mixing high-power, narrowband THz pulses with picosecond pulses at 1064 nm in QPM-GaAs provide high contrast imaging.
Keywords :
CMOS image sensors; III-V semiconductors; frequency convertors; gallium arsenide; infrared imaging; optical phase matching; terahertz wave detectors; terahertz wave imaging; GaAs; QPM; frequency upconversion; high power mixing; narrowband THz pulse upconversion; near-IR CMOS camera; sideband generation; video rate THz imaging system; wavelength 1064 nm; Cameras; Cavity resonators; Laser beams; Laser excitation; Lenses; Optical filters;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
