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26 August 2008 Voltage tunable hyper-spectral quantum dot infrared photodetector (QDIP
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Abstract
A hyper-spectral quantum dot infrared photodetector (QDIP) based on doublecavity comb filter is reported. The hyperspectral QDIP uses a double cavity comber filter and a novel transparent conductive carbon nanotube (CNT) thin-film network as the electrode. By tuning the bias of the transparent electrode coated on the membrane, the cavity length and corresponding passband of the filter can be changed accordingly with low optical loss. Such MEMS-based hyper-spectral QDIP would also enable quick spectral scan of IR characteristics of chemical and biological materials.
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Xuejun Lu and Jarrod Vaillancourt "Voltage tunable hyper-spectral quantum dot infrared photodetector (QDIP", Proc. SPIE 7095, Nanophotonics and Macrophotonics for Space Environments II, 70950L (26 August 2008); https://doi.org/10.1117/12.794272
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