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Yb:YAG crystal is expected to exchange Nd:YAG crystal for top electricity diode-pumped lasers and other prospective purposes.
It had been apparent which the oxide Cr2O3, like a nucleating agent, stabilizes inside the crystalline phase. Since the atoms in the lattice were in equilibrium, leading to a protracted-assortment get in the crystalline period, the Gibbs free of charge energy attained the minimum amount. Therefore, the ingredient Cr stabilized the crystal structure was stably current during the crystalline section as a result of most secure crystalline state34. Additionally, the crystalline phases were being also surrounded by a layer of glass, as shown in Fig. four, which prohibited the aspect Cr for leaching. It truly is accordance Along with the previous research6,eight.
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YbYAG crystal is much more suitable for diode-pumping than the traditional Nd-doped methods. It could be pumped at 0.ninety four μm laser output. Compared Along with the usually employed Nd:YAG crystal, Yb:YAG crystal contains a much bigger absorption bandwidth to lessen thermal administration specifications for diode lasers, a longer higher-point out lifetime, 3 to 4 situations reduce thermal loading per unit pump electric power.
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The process of converting the glass in the glass-ceramics with the additive stainless steel slag, divided into a few phases, transpired over the warmth remedy, as shown in Fig. 5. First of all, a substantial quantity of crystalline with spinel composition fashioned while in the glass specimens while in the phase of read more nucleation, served like a heterogeneous nucleation zones for your crystallization.
Determine three exhibits the morphology of glass-ceramics with the rise of stainless steel slag containing the level of Cr2O3. The diploma of crystallization of the specimens elevated Along with the expanding stainless steel slag.