Peoptix - Infrared Optics & Custom Optical Components
Peoptix - Infrared Optics & Custom Optical Components
Key Advantages
Barium Fluoride (BaF2) Material Properties
|
Parameter |
Barium Fluoride (BaF₂) |
|
Transmission Range |
150 nm - 12 µm |
|
Refractive Index (nd) |
1.48 @ 589 nm (1.468 @ 1.064 µm) |
|
Abbe Number (Vd) |
81.78 |
|
Density |
4.89 g/cm³ |
|
Knoop Hardness |
82 kg/mm² |
|
Young's Modulus (GPa) |
53.07 |
|
Poisson's Ratio |
0.343 |
|
Coefficient of Thermal Expansion (CTE) |
18.1 × 10⁻⁶ / °C |
|
Thermal Conductivity |
11.7 W/(m·K) @ ~300 K |
|
Melting Point |
1368 °C (some refs 1386 °C) |
Processing Specifications
|
Parameter |
Regular |
High Precision |
|
Dimension |
Φ5 mm - Φ150 mm |
Φ5 mm - Φ150 mm |
|
Diameter Tolerance |
±0.1 mm |
±0.02 mm |
|
Thickness Tolerance |
±0.05 mm |
+0 / -0.01 mm |
|
Parallelism (arcmin) |
< 1′ |
< 30″ |
|
Surface Quality (GB/T 1185) |
60-40 |
40-20 |
|
Surface Flatness (P-V) |
PV < λ/2 @632.8 nm |
PV < λ/10 @632.8 nm |
|
Coating |
Custom AR, BBAR |
Custom AR, BBAR |
Application Fields
