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THE ELECTRONIC RAMAN SCATTERING AND TWO-PHOTON FLOURESCENCE IN LiYF₄:Nd³⁺

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ã€Authorã€‘ SONG ZENG-FU LIA SHO-REN GUI YOU-XI JIANG JIE HUA DAO-HONG WANG SHU-KUN HUO YU-TAI (Department of Physics, Peking University)

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ã€Abstractã€‘ The following spectra of LiYF4:Nd have been observed for the first time: (i) the electronic and electron-phonor Raman spectra of the stark sub-levels Y1-Y6 of energy levels 4I11/2 excited by 4880A Ar+ laser beam; (ii) two-photon fluorescence and electron-phonor spectra excited by 6943 A ruby laser beam.æ›´å¤š è¿˜åŽŸ