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 performance
- Low stress birefringence
- Uniform refractive index
- Stable mechanical properties
- Non-deliquescent
- Strong 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

Standard Specifications

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

CaF2 Substrate

Features

Applications

Processing Capability

Specification and properties of CaF2 Substrates

Available CaF2 Substrate Items

Other Crystal Wafer and Substrate Materials

Al2O3 Substrate

BaF2 Substrate

DyScO3 Substrate

GdScO3 Substrate

GGG Substrate

GSGG Substrate

KBr Substrate

KCl Substrate

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