Abstract
Using the Stark-effect broadening of spectrum lines, Δ⋎ and the expression δγ = aT 3 2 exp−( b T ) g(T) , the temperature T in a plasma may be determined. Here a and b are known constants and g(T) is a known temperature-dependent function. With the aid of time-resolved spectroscopictechniques, the wavelength broadening was determined as a function of time in a spark discharge and, using the preceding formula, the temperature was estimated as a function of time in the discharge. For the measurements, the time-resolved spark spectra of Zn, Cd, Mg, and Hg were used.
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