CaF2 Calcium Fluoride / RAMAN

Calcium Fluoride / RAMAN

(

CaF₂

)

Eigenschaften
Transmission Range	0.125 - 10.5 (thickness 2mm) µm
Refractive Index	1.43288 @633nm
Reflection Loss	2.89% @4 µm
Residual Beam Wavelength	35 µm
Density	3.18 g/cm³
Melting point	1418°C
Molecular Weight	78.08
Thermal Conductivity	9.71 W/(m·K)
Spec. Heat Capacity	854 J/(kg·K)
Thermal Expansion	18.9 ·10^-6/K (298K))
Hardness (Mohs)	163
Young's Modulus	75.8 GPA
Shear Modulus	33.77 GPa
Bulk Modulus	82.71 GPa
Rupture Modulus	40 MPa
Elastic Coefficient	C₁₁ = 165; C₁₂ = 47; C₄₄ = 33.9 GPa
Dielectric Constant	6.76
Solubility in Water	0.0016 g/100g @25°C
Crystal Structure	Single crystal, synthetic
Crystal Type	Cubic, CaF₂ type structure, a= 5.46 Å
Cleavage Planes	111
Poisson Ratio	0.29
Application	The material is available in different quality levels (IR, UV, VUV-Laser). Field of application is the IR analytic, astronomical- und camera lenses and optics for Excimer laser. In the doped version like CaF₂:Eu it is used as a Scintillator .
Remarks	soluble in acids
Remarkable	Due to high laser stability CaF2 is suitable for 157 nm and 193 nm Lasers A diameter of 200 mm is the maximum size of our optics Wide range of applications Low dispersion

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CaF2 – Calcium Fluoride / RAMAN: Korth Kristalle - Vom Rohkristall zur hochpräzisen Optik. Durchblick für alle Wellenlängen - Seit 72 Jahren züchten wir Kristalle und fertigen daraus hochpräzise optische Komponenten für alle Wellenlängen vom IR- bis zum VUV-Bereich. Unsere Produkte kommen in allen Bereichen zum Einsatz, in denen eine hochentwickelte, präzise technische Ausstattung unerlässlich ist – von der Analytik bis hin zur Medizin- und Raumfahrttechnik.