Coherent control of alkali atoms by short laser pulses
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Coherent control of alkali atoms by short laser pulses
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Coherent control of alkali atoms by short laser pulses Dr. Dionysios Pentaris
May 7th 2014 Institute of Physics Jagiellonian University Krakow (PL)
1
Structure of the presentation I. Introduction II. Potassium with pump laser interaction (Spectra and discussion) III. Potassium with pump-coupling lasers interaction (Coherent control and discussion) 2
I. Introduction Potassium transitions
4S1/2-6S1/2 (two-photon transition: central wavelength at 728 nm)
6S1/2-5P3/2,1/2
(central wavelength at 3662 nm)
5P3/2,1/2-4S1/2 (blue doublet: central wavelength at 404 nm)
6S1/2-4P3/2,1/2
(central wavelength at 694 nm)
4P3/2,1/2-4S1/2 (red doublet: central wavelengths at 766 and 769 nm) (D2 and D1 lines) 3 (Introduction)
I. Introduction Laser system: 100 or 120 fs (FWHM) and Ipump~ 2-20 TW/cm2 (coupling laser Icoupling