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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