Optical sensing of smoke using a polychromatic LED: Combustion material identification using HLS analysis

R. A. Aspey*, K. J. Brazier, J. W. Spencer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


A multi wavelength optical sensing technique has been tested for monitoring a smoke or aerosol polydispersion so as to allow positive discrimination between types of aerosols or particles. It uses a polychromatic LED and spectral analysis in real-time via the technique of chromatic modulation which allows a three-parameter description to characterise spectral interactions due to scattering.

Original languageEnglish (US)
Pages (from-to)199-205
Number of pages7
JournalSensor Review
Issue number2
StatePublished - 2004
Externally publishedYes


  • Data analysis
  • Hazards
  • Sensors

ASJC Scopus subject areas

  • Control and Systems Engineering

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