Ytterbium-doped apatite-structure crystals: A new class of laser materials
作者： Stephen A. Payne , Laura D. DeLoach , Larry K. Smith , Wayne L. Kway , John B. Tassano
DOI: 10.1063/1.357101
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摘要: A new class of Yb‐lasers is summarized in this article. The apatite family crystals, based on the hexagonal structure mineral fluorapatite, has been found to impose favorable spectroscopic and laser properties Yb3+ activator ion. Crystals Yb‐doped Ca5(PO4)3F, Sr5(PO4)3F, CaxSr5−x(PO4)3F, Sr5(VO4)3F have grown investigated. Several useful crystals identified which offer a variety fundamental parameters for designing diode‐pumped systems. In general, materials characterized by high emission cross sections (3.6–13.1×10−20 cm2), lifetimes (0.59–1.26 ms), strong pump band (σabs=2.0–10.0×10−20 extraction wavelengths near 900 1045 nm, respectively. Efficient lasing demonstrated several members materials, optical quality Czochralski method. summary discussion Yb:apatite laser...
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