4ZnO · 3B2O3 glasses doped with Nd3+ and Er3+ were investigated by optical spectroscopy. Emission transition probabilities, radiative life-times and fluorescence branching ratios for several excited states of the Nd3+ and Er3+ ions were estimated from the room temperature absorption spectra. The stimulated emission cross sections σp for the near infrared laser transitions of Nd3+ and Er3+ were obtained from laser-excited luminescence spectra. The values of σp are comparable with those shown by glasses used in solid state laser applications.
Absorption and Luminescence Spectroscopy of Nd3+ and Er3+ in a Zinc Borate Glass
CASARIN, MAURIZIO
1996
Abstract
4ZnO · 3B2O3 glasses doped with Nd3+ and Er3+ were investigated by optical spectroscopy. Emission transition probabilities, radiative life-times and fluorescence branching ratios for several excited states of the Nd3+ and Er3+ ions were estimated from the room temperature absorption spectra. The stimulated emission cross sections σp for the near infrared laser transitions of Nd3+ and Er3+ were obtained from laser-excited luminescence spectra. The values of σp are comparable with those shown by glasses used in solid state laser applications.File in questo prodotto:
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