Judd–Ofelt parameters (Ω2 = 5.09∙10–20, Ω4 = 0.92∙10–20, and Ω6 = 0.63∙10–20 cm2) and oscillator strengths of fundamental optical transitions involved in lasing at wavelength 1.54 μm have been calculated for borosilicophosphate glass co-activated with Er3+ and Tb3+ ions based on experimental luminescence and absorption spectra and refractive indices. The results were used to determine the emission (6∙10–23 cm2) and absorption (5∙10–21 cm2) cross sections for λ = 1.54 μm and the gain cross section as a function of inverse population levels.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 76, No. 4, pp. 505–510, July–August, 2009.
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Yenzhyieuski, A.I., Bogdanovich, M.V., Ryabtsev, G.I. et al. Spectroscopic characteristics of erbiumand ytterbium-activated laser media. J Appl Spectrosc 76, 476–481 (2009). https://doi.org/10.1007/s10812-009-9236-5
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DOI: https://doi.org/10.1007/s10812-009-9236-5