Dealing with Asymmetrical Abel Inversion Using Fourier-Bessel Expansions

1. IntroductionIn plasma diagnostics, many important physics parameters are meajsured by the chord integrated quantities, such as electron density by Interferometry,emission of impurity by spectroscopy. The Abel inversion has many approximate methods 1] 2] 3] 4] 5].Bars's method is universally used in symmetric Abelinversion 2]. Yasutomo introduced the weight function, and successfully applied Bars's method to theasymmetric distribution 6].The inverted result of Bars's method has suc…