Media type: E-Article Title: Red-to-blue up-conversion spectroscopy of Tm3+ in SrF2, CaF2, BaF2 and CdF2 Contributor: Bouffard, M.; Jouart, J.P.; Joubert, M.-F. imprint: Elsevier BV, 2000 Published in: Optical Materials Language: English DOI: 10.1016/s0925-3467(99)00110-x ISSN: 0925-3467 Keywords: Electrical and Electronic Engineering ; Atomic and Molecular Physics, and Optics ; Electronic, Optical and Magnetic Materials ; Inorganic Chemistry ; Organic Chemistry ; Physical and Theoretical Chemistry ; Spectroscopy Origination: Footnote: