Elemental screening of heavy-metal aerosols by laser-induced plasma spectroscopy (LIPS)

Ralph Neuhauser; Ulrich Panne; Reinhard Niessner

doi:10.1117/12.276156

30 May 1997 Elemental screening of heavy-metal aerosols by laser-induced plasma spectroscopy (LIPS)

Ralph Neuhauser, Ulrich Panne, Reinhard Niessner

Proceedings Volume 3105, Chemical, Biochemical and Environmental Fiber Sensors IX; (1997) https://doi.org/10.1117/12.276156
Event: Environmental Sensing III, 1997, Munich, Germany

Abstract

To provide quasi-on-line information on the elemental chemical composition of heavy metal aerosols, laser-induced plasma spectroscopy (LIPS) is employed. The major objective of this work is to develop a transportable and low cost sensor system for an on-site analysis of aerosol filter samples. The presented system is based on a laser unit and a detector unit including the spectrometer with a 0.275 m Czerny-Turner- spectrometer and a gateable intensified CCD-camera. Both unites are connected to a miniaturized sensor head via fiberoptics. A laser plasma is created by focusing the light transmitted through the fiber directly on the surface of a glass fiber filter. Preliminary investigations background limitations due to blank filters and heavy metal aerosol loaded filters are given.

Citation Download Citation

Ralph Neuhauser, Ulrich Panne, and Reinhard Niessner "Elemental screening of heavy-metal aerosols by laser-induced plasma spectroscopy (LIPS)", Proc. SPIE 3105, Chemical, Biochemical and Environmental Fiber Sensors IX, (30 May 1997); https://doi.org/10.1117/12.276156

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