A Minireview of the Natures of Radiation-Induced Point Defects in Pure and Doped Silica Glasses and Their Visible/Near-IR Absorption Bands, with Emphasis on Self-Trapped Holes and How They Can Be Controlled
Figure 12
Thermal decay curves of MM and SM Ge-doped-silica-core optical fibers following a 1-Mrad irradiation at 340 rad/s (bold black curves) [53]. The SM data correspond to the upper curve of the growth data of Figure 10. Other features are explained in the text. Figure from [48]. Although virtually impossible to discern in the figure above, the experimental data terminate at 60,000 s; thus, the open circles at longer times are solely extensions of the fits to the data at shorter times.
