Journal
OPTICS EXPRESS
Volume 21, Issue 4, Pages 4817-4825Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.004817
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- ANR-JST France-Japan International Strategic Collaborative Research Program Wireless communication using Terahertz plasmonicnano ICT devices (WITH)
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We present results of 2D real-time imaging of terahertz (THz) beam generated by a photoconductive antenna driven by a femtosecond oscillator. The detector, operating at room temperature, is a 320 x 240 array of antenna-coupled microbolometers with integrated CMOS read-out electronics delivering 25 images per second. High quality images of broadband THz beams covering the 0.1-2 THz range are recorded while maintaining a signal-to-noise ratio of 10 for detected THz power as low as 25 nW. The compactness of the easy-to-use uncooled camera makes it very useful for the alignment of systems such as THz time-domain spectrometers and for the characterization of emitters, optics and other components. (C) 2013 Optical Society of America
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