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Pixelless thermal imaging with integrated quantum-well infrared photodetector and light-emitting diode

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7 Author(s)
Dupont, E. ; Inst. for Microstructural Sci., Nat. Res. Council of Canada, Ottawa, Ont., Canada ; Byloos, M. ; Gao, M. ; Buchanan, M.
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A large pixelless thermal imager based on the epitaxial integration of a GaAs-AlGaAs quantum-well infrared photodetector and a GaAs light-emitting diode is demonstrated. The device transforms a mid-infrared (9 μm) scene to a near-infrared (0.82 μm) emission image with a temperature resolution of /spl sim/1 K, limited by the integration capacity of the near-visible camera.

Published in:

Photonics Technology Letters, IEEE  (Volume:14 ,  Issue: 2 )