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Room temperature detection of N2O using a resonant cavity mid-IR detector and interband cascade LED

  • N. P. Li
  • , L. Tao
  • , J. McSpiritt
  • , M. A. Zondlo
  • , E. M. Jackson
  • , M. Kim
  • , C. S. Kim
  • , C. L. Canedy
  • , C. D. Merritt
  • , W. W. Bewley
  • , J. A. Nolde
  • , E. H. Aifer
  • , I. Vurgaftman
  • , J. R. Meyer

Research output: Contribution to journalConference articlepeer-review

Abstract

We achieved a detection limit of 400 ppmv N2O (5.5×105 absorbance) at 19 C and 4.0 µm, using emission from an interband cascade light-emitting device (ICLED) in combination with detection by a resonant cavity IR detector (RCID). These results demonstrate the feasibility of combining ICLEDs and RCIDs on a single mass-produced chip for optical gas sensing.

Original languageEnglish (US)
Article numberLM3B.2
JournalOptics InfoBase Conference Papers
StatePublished - 2022
EventLaser Applications to Chemical, Security and Environmental Analysis, LACSEA 2022 - Vancouver, Canada
Duration: Jul 11 2022Jul 15 2022

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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