FSR: a field portable spectral reflectometer to measure ground from NIR to LWIR

Louis Moreau; Hugo Bourque; Réal Ouellet; Florent Prel; Claude Roy; Christian Vallieres; Guillaume Thériault

doi:10.1117/12.898319

28 September 2011 FSR: a field portable spectral reflectometer to measure ground from NIR to LWIR

Louis Moreau, Hugo Bourque, Réal Ouellet, Florent Prel, Claude Roy, Christian Vallieres, Guillaume Thériault

Proceedings Volume 8185, Electro-Optical and Infrared Systems: Technology and Applications VIII; 81850K (2011) https://doi.org/10.1117/12.898319
Event: SPIE Security + Defence, 2011, Prague, Czech Republic

Abstract

ABB Bomem has recently designed a field-deployable reflectometer. The Full Spectrum Reflectometer (FSR) measures the diffuse reflectance of surfaces in the 0.7 μm to 13.5 μm spectral range. The spectral resolution is adjustable from 32 to 4 cm^-1. The instrument is portable, battery-operated and designed for field usage in a single, lightweight and ruggedized package. In its simplest mode, the instrument is automated and can be operated by non-specialist personnel with minimal training. The FSR has a laboratory mode to measure targets brought to the instrument in a sampling cup and a field mode with automated measurement sequence. To facilitate the measurement of various ground surfaces, the instrument is packaged in a three-point mount for easy target access and stability. One of the mount is the sampling port. The instrument has its own built-in NIR and LWIR infrared sources to illuminate the ground area to be measured. The instrument includes two built-in references for calibration: a Spectralon diffuser and an Infragold diffuser. The first units were commissioned to build a spectral database of surfaces in various conditions (humidity, temperature, texture, mixing, etc.) and in the presence of interfering chemicals (oils, solvents, etc.) but the instrument can also serve other purposes such as the identification of unknown materials.

Citation Download Citation

Louis Moreau, Hugo Bourque, Réal Ouellet, Florent Prel, Claude Roy, Christian Vallieres, and Guillaume Thériault "FSR: a field portable spectral reflectometer to measure ground from NIR to LWIR", Proc. SPIE 8185, Electro-Optical and Infrared Systems: Technology and Applications VIII, 81850K (28 September 2011); https://doi.org/10.1117/12.898319

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