Neodymium doped Yttrium Lithium Fluoride
Material
Nd:YLF
Neodymium doped Yttrium Lithium Fluoride (Nd:LiYF4 or Nd:YLF) ) is a crystal which lasers at 1047nm and 1053nm wavelength. Its main advantages are: large fluorescence line width, low thermal lensing, low threshold for CW applications and naturally polarized oscillation, which makes Nd:YLF an excellent material for CW, mode locked operation. Impex HighTech use Nd:YLF crystals, which is grown on the Czochralsky methods and supply various laser rods and slabs with different doping upon customer’s request.
Properties
Optical and spectral properties | |
|---|---|
Lasing wavelength in nm | 1047 nm 1053 nm |
Refractive index @ 1064 nm | no= 1,448 ne= 1,470 |
dN/dT in 1/K | -4,6 · 10-6 (∥ c-axis) -6,6 · 10-6(∥ a-axis) |
Physical properties | |
|---|---|
Density in g/cm3 | 3,95
|
Crystal structure | tetragonal |
Thermal conductivity in W/(m · K) | 6
|
Thermal expansion in 1/K | 8 · 10-6 (∥ c-axis) 13 · 10-6 (∥ a-axis) |
Mohs hardness | 5 |
Typical dopant concentration in % | 1-2
|
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