Abstract
AbstractTransparent Nd3+,Gd3+‐codoped SrF2 laser ceramic was fabricated by a single‐crystal ceramization (SCC) technique, and the fluorescence properties were also characterized. The results indicated that the SCC process would lead to reducing fluorescence properties of ceramic by re‐clustering small amount of Nd3+ ions. In this study, the re‐clustering of Nd3+ ions were addressed by a simple thermal drive‐induced grains regrowth (TDIGR) treatment. The properties of the Nd3+,Gd3+‐codoped SrF2 laser ceramic undergo the TDIGR were improved and close to precursor Nd3+, Gd3+‐codoped SrF2 single crystal. Meanwhile, the transmittance of ceramic (Taverage@400‐1400nm ~ 92%) was hardly affected by the TDIGR treatment. Therefore, we have reasons to believe that the combination of SCC and TDIGR is a suitable approach to obtain high optical quality neodymium, buffer ion‐codoped alkaline‐earth fluoride (Nd3+,B3+‐codoped MF2) laser ceramics.
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