Fiber Optical Sensor System Using A Tunable Laser For Detection Of PAHs On Particles And In Water

Reinhard Niessner; Wilfried Robers; Andreas Krupp

doi:10.1117/12.963184

13 February 1990 Fiber Optical Sensor System Using A Tunable Laser For Detection Of PAHs On Particles And In Water

Reinhard Niessner, Wilfried Robers, Andreas Krupp

Proceedings Volume 1172, Chemical, Biochemical, and Environmental Fiber Sensors; (1990) https://doi.org/10.1117/12.963184
Event: OE/FIBERS '89, 1989, Boston, United States

Abstract

Laser-induced fluorescence is introduced as an analytical technique for the detection of particle-bond PAHs, which can be found as a result of most combustion processes. A quartz fiber is used to couple the light of a frequency-doubled excimer-pumped dye-laser into the sensor head. The fluorescence light is detected using collecting optics, a set of interference filters and a photomultiplier. PAHs in different forms (crystalline, in solution, as homogeneous particles and coated on NaCl particles) were investigated. Fluorescence spectra and time-resolved signals, which exhibit characteristic decay times, are presented.

Citation Download Citation

Reinhard Niessner, Wilfried Robers, and Andreas Krupp "Fiber Optical Sensor System Using A Tunable Laser For Detection Of PAHs On Particles And In Water", Proc. SPIE 1172, Chemical, Biochemical, and Environmental Fiber Sensors, (13 February 1990); https://doi.org/10.1117/12.963184

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