On Abel Inversions of Emission Data from an Inductively Coupled Plasma

Author： Choi Beom Suk   Kim Hyunyong  

Publisher： Society for Applied Spectroscopy

ISSN： 0003-7028

Source： Applied Spectroscopy, Vol.36, Iss.1, 1982-01, pp. : 71-74

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Abstract

In a typical inductively coupled plasma (ICP) with cylindrical symmetry, the physical system is best characterized in terms of the radial coordinate r and the height h measured from the induction coil. However, the emission (or absorption) intensity is usually measured as a function of lateral coordinate, x, and height, h, and the Abel integral equation is used to transform the lateral intensity, I(x), into the radial intensity, i(r). Therefore, an accurate Abel inversion is a prerequisite for physical characterizations of ICP at any levels of sophistication. And it follows that the error in the inverted radial intensity must be properly evaluated.

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