Wuhan Siwer Optics Co.,Ltd
High quality products and professional services.
Add to Cart
Low solubility and wide transmission range makes it useful for many applications, including: mirror substrate for UV laser systems; substrate for manufacturing windows, lenses for UV, IR applications.
Price list of some inventory CaF2 windows.
Welcome to buy sample for testing, when you need a large number of products, the unit price will be reduced.
| Diameter * thickness(mm) | Unit price(USD) |
| 5.0*1.0 | 4.3 |
| 8.0*1.0 | 5.8 |
| 10.0*1.0 | 6.5 |
| 12.0*1.0 | 6.7 |
| 10.0*0.5 | 7.2 |
| 12.0*2.0 | 7.2 |
| 15.0*2.0 | 8.0 |
| 18.0*1.0 | 12.3 |
| 19.0*1.0 | 13.8 |
| 20.0*1.0 | 14.5 |
| 25.0*1.0 | 18.8 |
| 25.4*1.0 | 18.8 |
| 30.0*1.0 | 23.2 |
| 32.0*1.0 | 24.6 |
| 34.0*2.0 | 27.5 |
| 35.0*2.0 | 29.0 |
| 38.1*3.0 | 30.4 |
| 40.0*2.0 | 30.4 |
| 50.0*3.0 | 36.2 |
| 50.8*2.0 | 36.2 |
| 60.0*3.0 | 53.6 |
| 60.0*4.0 | 59.4 |
| Material | Calcium Fluoride |
| Diameter Tolerance | +0.0/-0.1 mm |
| Thickness Tolerance | ±0.1 mm |
| Parallelism | 1 arc min |
| Surface Quality | 60-40 Scratch-Dig |
| Surface Flatness (Plano Side) | λ/2 at 633nm |
| Surface Irregularity (Peak to Valley) | λ/2 at 633nm |
| Clear Aperture | 90% |
| Chemical Formula | CaF2 |
| Crystal Class | Cubic, cleaves [111] plane |
| Lattice Constant, Å | 5.46 |
| Density, g/cm3 (20 °C) | 3.18 |
| Molecular Weight | 78.08 |
| Reflection Loss | 5.4% at 5 μm |
| Absorption Coefficient | 7.8 x 10-4 cm-1 @ 2.7 μm |
| Dielectric Constant for 105 Hz | 6.76 |
| Melting Temperature, K | 1630 |
| Thermal Conductivity, W/(m K) at 273 K | 10 |
| Thermal Expansion, 1/K at 300 K | 18.9 x 10-6 |
| Specific Heat, cal/(g K) at 273 K | 0.204 |
| Debye Temperature, K | 510 |
| Young's Modulus, GPa | 75.79 |
| Rupture Modulus, GPa | 0.0365 |
| Shear Modulus, GPa | 33.76 |
| Bulk Modulus, GPa | 83.03 |
| Poisson's Ratio | 0.28 |
| Knoop Hardness, kg/mm2 | 178 [100], 160 [110] |