Single-shot autocorrelator for KrF subpicosecond pulses based on two-photon 
fluorescence of cadmium vapor at X = 508 nm

Tünnermann, Andreas; Eichmann, H.; Henking, R.; Mossavi, Kasem; Wellegehausen, Bernd

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Single-shot autocorrelator for KrF subpicosecond pulses based on two-photon fluorescence of cadmium vapor at X = 508 nm

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Mossavi, Kasem
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Citation

Tünnermann, A., Eichmann, H., Henking, R., Mossavi, K., & Wellegehausen, B. (1991). Single-shot autocorrelator for KrF subpicosecond pulses based on two-photon fluorescence of cadmium vapor at X = 508 nm. Optics Letters, 16(6), 402-404.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5CC7-E

Abstract

By excitation of cadmium vapor with a high-peak-power KrF excimer laser pulse, fluorescence of an atomic transition at X = 508 nm is induced by a two-photon ionization process followed by fast recombination. The nonlinear response of the medium is used to develop a simple single-shot autocorrelator for subpicosecond KrF excimer laser pulses operating down to intensities of less than 109W/cm.2 We have measured 360-fs (FWHM) pulses at X = 248 nm with a time resolution of 15 fs.