19 July 2007 Electron emission and fragmentation of molecules in intense laser fields
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Abstract
We have constructed an apparatus for high-resolution electron spectroscopy and electron-ion coincidence experiments on gas-phase molecules in intense laser fields. The apparatus comprises an electron time-of-flight (TOF) spectrometer and an ion TOF spectrometer with a position detector, placed on either side of an effusive molecular beam. The ionizing radiation is either the fundamental (800 nm wavelength) of a Ti:sapphire laser or frequency doubled 400-nm light, with pulse durations of ~ 150 fs and the repetition rate of 1 kHz. We have investigated the electron emission and fragmentation of linear alcohol molecules, methanol, ethanol and 1-propanol, in laser fields with peak intensities up to ~ 1×1014 W/cm2. Details of our apparatus are described along with an overview of some recent results.
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G. Prümper, G. Prümper, T. Hatamoto, T. Hatamoto, M. Okunishi, M. Okunishi, D. Mathur, D. Mathur, "Electron emission and fragmentation of molecules in intense laser fields", Proc. SPIE 6726, ICONO 2007: Physics of Intense and Superintense Laser Fields; Attosecond Pulses; Quantum and Atomic Optics; and Engineering of Quantum Information, 672603 (19 July 2007); doi: 10.1117/12.750100; https://doi.org/10.1117/12.750100
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