Multiphoton excitation of visible and VUV luminescence in MgO crystals |
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| Authors: | W.W. Duley |
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| Affiliation: | Physics Department, York University, Toronto, Ontario, Canada M3J 1P3 |
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| Abstract: | Irradiation of pure MgO crystals with intense XeCl laser radiation yields VUV emission associated with the decay of bi-excitons. This emission exhibits a 4-photon dependence on incident laser intensity. Collisional excitation of luminescence from Cr3+ and Ni2+ impurities has been detected in doped samples. This emission also shows a multiphoton dependence on incident laser intensity. |
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