Very efficient sampling technique for fiber-remote optical emission spectroscopy of aqueous solutions

Steven J. MacKenzie; Jane Hodgkinson; Mark Johnson; John P. Dakin

doi:10.1117/12.274757

23 May 1997 Very efficient sampling technique for fiber-remote optical emission spectroscopy of aqueous solutions

Steven J. MacKenzie, Jane Hodgkinson, Mark Johnson, John P. Dakin

Proceedings Volume 3107, Remote Sensing of Vegetation and Water, and Standardization of Remote Sensing Methods; (1997) https://doi.org/10.1117/12.274757
Event: Environmental Sensing III, 1997, Munich, Germany

Abstract

We have measured fluorescence from a waveguide formed by a falling cylindrical stream of liquid. The configuration is suited to taking measurements from liquids with any refractive index, such as aqueous solutions. The parameters which determine the stream stability have been investigated, and the optical collection efficiency has been mathematically modelled. We have produced streams up to 350 mm long with a 2.5 mm diameter, and measured a fluorescence collection enhancement factor of 9 from a 100 mm long, 1 mm diameter stream.

Citation Download Citation

Steven J. MacKenzie, Jane Hodgkinson, Mark Johnson, and John P. Dakin "Very efficient sampling technique for fiber-remote optical emission spectroscopy of aqueous solutions", Proc. SPIE 3107, Remote Sensing of Vegetation and Water, and Standardization of Remote Sensing Methods, (23 May 1997); https://doi.org/10.1117/12.274757

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