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Titolo:
Mathematical model of a laser-induced fluorescence fiber-optic sensor headfor trace detection of pollutants in soil
Autore:
Bunting, U; Lewitzka, F; Karlitschek, P;
Indirizzi:
Laser Lab Gottingen, D-37077 Gottingen, Germany Laser Lab Gottingen Gottingen Germany D-37077 D-37077 Gottingen, Germany
Titolo Testata:
APPLIED SPECTROSCOPY
fascicolo: 1, volume: 53, anno: 1999,
pagine: 49 - 56
SICI:
0003-7028(199901)53:1<49:MMOALF>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLYCYCLIC AROMATIC-HYDROCARBONS; UV-LASER; WATER POLLUTANTS; SPECTROSCOPY;
Keywords:
UV-visible and Raman spectroscopy; fiber-optic sensor; geometry optimization calculation; laser-induced fluorescence (LIF); soil pollutant monitoring;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Bunting, U Laser Lab Gottingen, Hans Adolf Krebs Weg 1, D-37077 Gottingen,Germany Laser Lab Gottingen Hans Adolf Krebs Weg 1 Gottingen Germany D-37077
Citazione:
U. Bunting et al., "Mathematical model of a laser-induced fluorescence fiber-optic sensor headfor trace detection of pollutants in soil", APPL SPECTR, 53(1), 1999, pp. 49-56

Abstract

The efficiency evaluation and optimization of various geometric and material aspects for a fiber-optic sensor head (optrode) are described. For the efficiency evaluation, a mathematical model has been del eloped and implemented as a computer program. The model allows the variation of several parameters such as diameter and numerical aperture of the optical fibers, their position and orientation in space, and the optical characteristics, as well as the orientation and size of other optical elements used. Peculiarities in manufacture such as oblique polishing of fibers are also taken into consideration. The model was used for the development of a UV laser fluorometer for trace detection of aromatic pollutants in soil, With the other parameters kept constant, the influence of two parameters at a time was calculated and is visualized in a contour plot. A series of such plots is presented, showing how crucial it is to carefully choose the material and geometric properties of an optrode.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/10/20 alle ore 00:12:11