University of Leeds compact Fluorescence Assay by Gas Expansion instrument
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Leeds University FAGE|
|Definition||The compact Fluorescence Assay by Gas Expansion (FAGE) instrument is used in ship and aircraft deployments to measure hydroxyl radicals (OH) and iodine monoxide radicals (IO). It uses low pressure Laser Induced Fluorescence (LIF). The laser, tuned to 308 nm for OH or to 445 nm for IO, is directed through the ambient air sample. The resulting fluorescence is filtered and focussed onto a photomultiplier tube, and analysed by photon counting. The signal is calibrated using known standards of OH and IO.|
|Has Current Version||1|
||atmospheric gas analysers||Mapping: 192576|
||University of Leeds, Institute for Atmospheric Science||Mapping: 1448696|
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