Laser induced optical activity in the region of autoionizing statesстатья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Optical activity of atomic medium in the region of laser coupled autoionizing states is studied theoretically. Analytical expressions and numerical results are obtained for the laser induced polarization rotation angle and the acquired ellipticity of the VUV radiation in the region of the He 2s2p 1P autoionizing state (60.13 eV) coupled by circularly polarized laser field with the 2p2 1S or 2s3d 1D states. A rotation angle of order ~10 deg can be realized for optically transparent helium media at laser intensities of 10^10 − 10^12 W/cm2. Controlling the optical activity in the VUV by manipulating the laser intensity and frequency is discussed.