Spektroskopische Messung der radialen Temperaturverteilung in Quecksilber-Hochdrucklampen mit Metallhalogenzusätzen / Spectroscopic Measurement of Radial Temperature Distribution in High-Pressure Mercury Lamps with Metal Halide Additives

Abstract

Abstract The radial temperature distribution in a Hg-high-pressure discharge with metal halogene additives (Sn-, Zn-Iodide) has been measured. Three different spectroscopic methods (Emission-, Absorption-, Bartels-and 2-lines-Method) are compared. The influence of the silica bulb is discussed. High incidence angles for the absorption measurements are realized by use of an elliptic mirror. Emission and absorption measurements in a definite time intervall of the 50 Hz-discharge current was done with signal averaging technique. The arc shows a constriction which is discussed.