, Volume 49, Issue 1, pp 33-38

High-speed N2-CARS thermometry

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Abstract

Using an excimer laser-pumped CARS spectrometer, single-pulse temperature measurements have been performed with a repetition rate of up to 80 Hz in a 3-dimensional, phase-matched geometry. Single-pulse temperature data measured in a furnace typically fluctuated by ± 50 K within the temperature range 300–1300 K. The CARS spectra were analyzed by the G-matrix formalism with inclusion of cross coherence effects.

On leave from Max-Planck-Institut für biophysikalische Chemie, Abteilung Laserphysik, Am Fassberg, D-3400 Göttingen, Fed. Rep. Germany; permanent address: Physikalisch-Chemisches Institut, Universität, Im Neuenheimer Feld 253, D-6900 Heidelberg, Fed. Rep. Germany