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Focal-plane micro-bolometer arrays for 0.5 THz spatial room-temperature imaging

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5 Author(s)
Caumes, J.-P. ; Centre Technol. Opt. et Lasers, ALPhANOV, Talence ; Chassagne, B. ; Coquillat, D. ; Teppe, F.
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The possibility of using commercial classical near-infrared (~30 THz) focal-plane micro-bolometer arrays in the sub-terahertz frequency range is studied. Real-time room-temperature pixilated detector imaging of a 0.5 THz (lambda = 600 mum) spatial beam profile emitted from a backward-wave oscillator is presented. Images, with a signal-to-noise ratio of 5 are demonstrated, leading to an estimate of the noise equivalent power of 11 nW ldr Hz-1/2.

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Electronics Letters  (Volume:45 ,  Issue: 1 )