Carbon nanotube-based spectrum infrared detectors

Ning Xi; Harold Szu; James Buss; Ingham Mack

doi:10.1117/12.631219

11 October 2005 Carbon nanotube based spectrum infrared detectors

Ning Xi, Harold Szu, James Buss, Ingham Mack

Proceedings Volume 5987, Electro-Optical and Infrared Systems: Technology and Applications II; 59870M (2005) https://doi.org/10.1117/12.631219
Event: European Symposium on Optics and Photonics for Defence and Security, 2005, Bruges, Belgium

Abstract

Carbon nanotubes (CNT) have a potential to be efficient infrared (IR) detection materials due to their unique electronic properties. The ballistic electronic transport property makes the noise equivalent temperature difference smaller compared to other semi-conducting materials. By overlaying CNT-based mid-IR (3-5μ) detectors on a long-wave IR (8-15μ) focal plane array, the mid-IR detector causes no filters loss. In order to verify this approach, a single pixel CNT- based infrared photodetector is fabricated by depositing the CNTs on the substrate surface and then aligning them using the atomic force microscopy (AFM)-based nanomanipulation system. Functionality of the single pixel CNT infrared detector is then verified and dark current is analyzed experimentally.

Citation Download Citation

Ning Xi, Harold Szu, James Buss, and Ingham Mack "Carbon nanotube based spectrum infrared detectors", Proc. SPIE 5987, Electro-Optical and Infrared Systems: Technology and Applications II, 59870M (11 October 2005); https://doi.org/10.1117/12.631219

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