Ytterbium-doped Calcium Fluoride
Hellma Materials Yb3+:CaF2 laser crystals enable the development of a new generation of highly efficient solid-state lasers based on extremely pure CaF2 crystals.
The most important facts about Yb3+:CaF2
Refractive index nd =
1.43384
@ 1064 nm
low refractive index – enables an almost unchanged beam path
Abbe number 𝜈d =
95.23
Low spectral dispersion
minimises chromatic aberration
Thermal conductivity 𝝀 =
9.71
@ 13 °C [W/(m*K)]
Compensates for high CTE
Hellma Materials Yb3+:CaF2 crystals: Customised solutions for your high-efficiency solid-state lasers.
Ytterbium-doped calcium fluoride crystals (Yb3+:CaF2) from Hellma Materials is an ideal material for solid-state lasers with outstanding properties:
- Broad transmission spectrum: Excellent transmission in the UV, VIS and IR range.
- Low dispersion: Minimises chromatic aberrations.
- High resistance to ionising radiation: can be used in space.
- Low non-linear refractive index: Ideal for high-power laser applications.
- Large diameters: Up to 440 mm for demanding applications.
Advantages of our ytterbium-doped calcium fluoride
| Feature | Value | Advantage |
|---|---|---|
| Absorption maximum | 980 nm | Ideal for high-power laser applications |
| Long fluorescence lifetime | 2.4 ms | Minimises chromatic aberrations |
| Doping concentration | 1-3 at % | Long service life of laser components |
| Diameter up to | 150 mm | Excellent transmittance in the UV, VIS and IR range |
| Refractive index homogeneity | < 5 ppm | for demanding applications |
Your advantages with semi-finished products from Hellma Materials:
Flexibility in material size: Customised solutions for your specific requirements.
Optimised performance: Achieve maximum optical precision and efficiency.
Reliability: Trust in a proven material with a long service life.
Quality control: All measurement technology including laser laboratory in-house.
