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Abstract: We report the observation of pronounced coherent population trapping and dark resonances in Rydberg states of xenon. A weak two-photon coupling with radiation of = 250 nm is induced between the 5p61S0 ground state of xenon and state 5p56p[1/2]0, leading to (2+1) resonantly enhanced three-photon ionization. The state 5p56p[1/2]0 is strongly coupled by radiation with 600 nm to 5p5ns[JC]1...
Abstract.The influence of surface magnetization of polycrystalline nickel samples on Second-Harmonic Generation (SHG) in reflection was investigated using picosecond laser pulses of 600 nm. The effect was measured for different polarization combinations with samples under normal conditions. For the azimuthal rotation of the magnetization anisotropies of (132)% and (193)% were observed for sP and pP...
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