CaF2 Substrate
Calcium fluoride (CaF2) crystal has a wide light transmission range (good light transmission performance in the wavelength range of 0.13μm~10μm), low...
CaF2 Substrate
Calcium fluoride (CaF2) crystal has a wide light transmission range (good light transmission performance in the wavelength range of 0.13μm~10μm), low stress birefringence (no obvious intrinsic birefringence above 200nm), uniform refractive index, stable mechanical properties, non-deliquescent, and strong against radiation damage. It is an ideal material for making various optical windows, prisms and lenses. OST Photo...
- ManufacturerOST Photonics
- CategoryCrystal Wafer and Substrate
- Stock Items8 listed specifications
- Lead TimeQuoted per order
- CustomizationSize, orientation and surface finish to drawing
Calcium fluoride (CaF2) crystal has a wide light transmission range (good light transmission performance in the wavelength range of 0.13μm~10μm), low stress birefringence (no obvious intrinsic birefringence above 200nm), uniform refractive index, stable mechanical properties, non-deliquescent, and strong against radiation damage. It is an ideal material for making various optical windows, prisms and lenses.
OST Photonics offers high quality CaF2 substrates for researchers and industries. Crystal orientation, size and thickness can be customized according to your requirements.
Features
- Good light transmission performanceLow stress birefringenceUniform refractive indexStable mechanical propertiesNon-deliquescentStrong against radiation damage
Applications
- Infrared windows, prisms and lenses
- Ultraviolet windows, prisms and lenses
- Laser lithography
Processing Capability
- Orientation:<100>,<110>,<111>, etc.
- Dimension: 1”, 2”, 3”, 4”, 10x10mm, 20x20mm, 30x30mm, etc.
- Thickness: 0.5mm, 1.0mm, etc.
- Available items: wafers, substrates, transparent ceramics, windows, prisms, blanks and customized optics
Specification and properties of CaF2 Substrates
| Crystal System | Cubic |
| Density | 3.18 g/cm^3 |
| Melt Point | 1360 ℃ |
| Refractive Index | 1.39908 at 5 um |
| Solubility | 0.0017g/100g@20℃ |
| Transmit Wavelengths | 0.13~11.3μm |
| Hardness | 4 Mohs |
| Elasticity Coefficient | C11=164, C12=53, C44=33.7 |
| Apparent Elastic Limit | 36.54 MPa |
| Thermal Expansion | 18.85×10^-6∕℃ |
| Orientation | <100>,<110>,<111>, etc. |
| Orientation Tolerance | ±0.5° or better |
| Dimension | 1”, 2”, 3”, 4”, 10x10mm, 20x20mm, 30x30mm, etc. |
| Dimension Tolerance | ±0.1 mm or better |
| Thickness | 0.5mm, 1.0mm, etc. |
| Thickness Tolerance | ±0.05 mm or better |
| Surface Finish | Single side polished (SSP)/Double sides polished (DSP) |
| Package | Class 100 clean bag, Class 1000 super clean room |
Available CaF2 Substrate Items
The following specifications are listed on our original catalogue. Custom dimensions, orientations and surface finishes are produced to your drawing.
| 5 mm x 5 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (100), Double Sides Polished (20 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (100), Single Side Polished (20 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (111), Double Sides Polished (20 Pieces) | View |
| 5 mm x 5 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (111), Single Side Polished (20 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (100), Double Sides Polished (10 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (100), Single Side Polished (10 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (111), Double Sides Polished (10 Pieces) | View |
| 10 mm x 10 mm x 0.5 mm CaF2 Single Crystal Substrates, Orientation: (111), Single Side Polished (10 Pieces) | View |
Other Crystal Wafer and Substrate Materials
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Buyer Questions
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