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Tkachuk, A. M. ; Razurnova, I. K. ; Mirzaeva, A. A. ; Novikoi, G. E. ; Orlov, O. A. ; Malyshev, Andrey ; Gapontsev4, V. P. | Spie-Int Soc Optical Engineering | 2001An influence of interionic cross relaxation processes (upconversion, selfquenching) on concentration and power dependences of the inverse population of ^4I_(11/2) and ^4I_(13/2) laser levels in YLF:Er crystals under CW laser-diode pumping were s[...]texto impreso
Tkachuk, A. M. ; Razumova, I. K. ; Mirzaeva, A. A. ; Novikov, G. E. ; Orlov2, O. A. ; Malyshev, Andrey ; Gapontsev, V. P. | Spie-Int Soc Optical Engineering | 2002Steady-state population of 7 lowest excited erbium. levels in LiY¬¬_(1-x)Er_xF_4 (YLF:Er^(3+) (x=0.003-1) crystals was studied under upconversion. CW InGaAs laser-diode pumping with varied power density. Theoretical and experimental concentratio[...]
