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Optical absorption spectrum of Bi-doped LAS glass.
(a) Near-infrared emission spectra of Bi-doped LAS glass excited at 700, 800, 900, and . (b) Curve fitting of emission spectrum excited at to two Gaussian peaks denoted A and B. Observed emission spectrum was shown in open square.
Decay curves of near-infrared emission at 1100 and from Bi-doped LAS glass under excitation at room temperature.
Temperature dependence of near-infrared emission lifetime of Bi-doped LAS glass at the peak wavelength.
Properties of Gaussian peaks A and B in emission spectrum shown in Fig. 2(b).
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