Place of Origin: | Wuhan,China |
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Brand Name: | Wuhan Siwer Optics |
Minimum Order Quantity: | 5 pieces |
Price: | 5-98USD/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: | 0.02mm |
Standard Coating: | Uncoated Or Customized | Size Range: | 3-120mm |
Usage: | UV And IR Optica Viewport Windows | ||
High Light: | ir window,infrared system protectd window |
Calcium fluoride shows good optical and thermo-mechanical properties. It is widely used as optical windows, lenses and prisms in 0.13μm~9.0μm. For its optical isotropy, low absorption and low refractive index. CaF2 has found unique advantages in high power laser and UV laser optics.
Calcium Fluoride crystal shows good optical and thermo-mechanical properties, can be used for optical windows, lenses, prisms within a wide range from 130nm to 9μm. It has optical properties of isotropy, low absorption and low refractive index, which made CaF2 gain the unique advantages in the application of high power lasers.
Scitlion is able to offer
CaF2 IR viewport Windows for Infrared Thermography at 8μm to 10μm
Various optics for IR & VUV application, using our CaF2 crystal materials
Good quality CaF2 crystal blank materials
OEM service for good quality CaF2 crystals
Orientation:<100>,<110>, <111>
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] |
Production process