4.6 Article

Multispectral imaging via luminescent down-shifting with colloidal quantum dots

Journal

OPTICAL MATERIALS EXPRESS
Volume 3, Issue 8, Pages 1167-1175

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OME.3.001167

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Funding

  1. U.S. Army through the Institute for Soldier Nanotechnologies [W911NF-07-D-004]
  2. Department of Defense, Air Force Office of Scientific Research, National Defense Science and Engineering Graduate (NDSEG) Fellowship [32 CFR 168a]
  3. [FA9550-11-C-0028]

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The high infrared quantum yield, continuous absorption spectrum, and band edge tunability of colloidal quantum dots (QD) has opened up new opportunities to use luminescent down shifting for multispectral imaging in the infrared. We demonstrate a QD sensitized short wavelength infrared (SWIR) camera which is capable of UV-SWIR multispectral imaging. The application of multispectral cameras for UV tagging applications is demonstrated and the extension of this technology to the mid infrared spectral region is discussed. (C) 2013 Optical Society of America

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