Yb:LiYF4結晶
標準仕様
Crystal structure: Tetragonal
Point group：I41/a
Lattice parameters： а = 5,164 Å, c = 10,741 Å
Thermal expansion： 4×10-6 / ºC
Thermal conductivity： 4,3–6 W/mK
Density： 3,95 g/cm³
Mohs' hardness： 5
Melting temperature： 825 ºC
Transmission range： 0.2-5 μm
概要
The Yb-doped material has the highest quantum efficiency (>90%) among commercial laser materials. Yb:LiYF4 (Yb:YLF) have wider emission spectra than Yb:YAG, which is necessary for the generation and amplification of ultrashort pulses. A YLF host crystal has higher thermal conductivity than glass, resulting in negligible lower thermal lensing. The YLF crystal also has the capability of a high degree of doping with ytterbium ions.
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