Place of Origin: | Wuhan,China |
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Brand Name: | Wuhan Siwer Optics |
Minimum Order Quantity: | 5 pieces |
Price: | 20-98USD/piece |
Packaging Details: | 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler |
Delivery Time: | 3-5 weeks |
Payment Terms: | T/T, Western Union |
Supply Ability: | 1000 pieces/month |
Material: | Calcium Fluoride(CaF2) | Size Tolerance: | +/-0.1mm |
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Chamfer: | 0.2-0.5mm | Surface Quality: | 60/40 |
Surface Flatness: | Lambda/4 In 25.4mm | Parallelism: | 0.01mm |
Standard Coating: | Uncoated Or Customized | Size Range: | 3-120mm |
Usage: | Infrared System | ||
High Light: | ir window,infrared system protectd window |
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] |