Potential of carbon nanotubes films for infrared bolometers

C. Koechlin; S. Maine; S. Rennesson; R. Haidar; B. Trétout; J. Jaeck; N. Péré-Laperne; J.-L. Pelouard

doi:10.1117/12.870810

24 January 2011 Potential of carbon nanotubes films for infrared bolometers

C. Koechlin, S. Maine, S. Rennesson, R. Haidar, B. Trétout, J. Jaeck, N. Péré-Laperne, J.-L. Pelouard

Proceedings Volume 7945, Quantum Sensing and Nanophotonic Devices VIII; 794521 (2011) https://doi.org/10.1117/12.870810
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

We investigate in this paper the potential of carbon nanotubes for infrared bolometers. A method to obtain CNT film layer and technological processes to obtain matrix of devices are presented. The electrical characterization of samples establishes the quality of our technology i.e. low contact resistance, and weak dispersion between devices. The potential of carbon nanotubes films as bolometric material is investigated by measuring the thermal dependence of their resistance and by comparison with amorphous silicon (one of the leading material for bolometric applications). Optical measurements of CNT films in the infrared and THz ranges show a relatively high absorption for a few hundreds nanometers thick material. Eventually the infrared (8-12 μm) photo-response of a first demonstrator is presented and discussed.

Citation Download Citation

C. Koechlin, S. Maine, S. Rennesson, R. Haidar, B. Trétout, J. Jaeck, N. Péré-Laperne, and J.-L. Pelouard "Potential of carbon nanotubes films for infrared bolometers", Proc. SPIE 7945, Quantum Sensing and Nanophotonic Devices VIII, 794521 (24 January 2011); https://doi.org/10.1117/12.870810

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