Detecting localized trace species in air using radar resonance-enhanced multi-photon ionization

Arthur Dogariu, Richard B. Miles

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

A microwave-scattering-based resonance-enhanced multi-photon ionization technique is used to detect molecular species such as NO, CO, Xe, and Ar in pure form, and for standoff detection of trace species in atmospheric pressure air. In this paper,the spectra, dynamics, and the detection limits of trace species in air are studied. We demonstrate 10m scale standoff detection of NO, and show that the system has a linear response down to the parts in 109 NO levels in ambient air.

Original languageEnglish (US)
Pages (from-to)A68-A73
JournalApplied Optics
Volume50
Issue number4
DOIs
StatePublished - Feb 1 2011

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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