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We will shortly be offering a large selection of optical components for the Infrared to Ultraviolet regions of the spectrum in our web shop.

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Our optical components are suitable for a wide range of applications. If you are interested in a particular area, please click on the link below.

Barium Fluoride (BaF₂)

Properties (BaF₂)
Transmission Range	0.15 - 15 µm
Refractive Index	1.4626 @2.6 µm
Reflective Loss	7.7% @0.6 µm; 6.0% @4.0 µm
Reststrahlen	47 µm
Density	4.89 g/cm³
Melting Point	1386°C
Molecular Weight	175.36
Thermal Conductivity	11.72 W/(m·K) @13°C
Specific Heat	410 J/(kg·K) @27°C
Thermal Expansion	18.1 · 10^-6/°C (-100°C, +120°C)
Hardness (Mohs)	82 (indenter load 500g)
Young`s Modulus	56.4 GPa
Shear Modulus	25.4 GPa
Bulk Modulus	268.89 GPa
Rupture Modulus	26.2 MPa
Elastic Coefficient	C₁₁ = 90.4 ; C₁₂ = 40.6 ; C₄₄ = 25.3 GPa
Dielectric Constant	7.33 @f = 2 MHz
Solubility in Water	0.17g /100g @23°C
Type of Material	single crystal, synthetic
Crystal Structure	cubic, CaF2 type structure
Cleavage Planes	(111)
Standard Diameter	70 mm, 200 mm
Application	Scintillation material, correction part in lens systems, astronomic lenses
Remarks	radiation resistant, susceptible to thermal shocklaser

Transmission spectrum

Datasheet

baf2eng.pdf (127.5 kB)

NOTICE: While we endeavour to ensure that the information on this Website is correct, we do not warrant the accuracy and completeness of the material on this Website.

Material

Please click on the link below for more information about our materials or choose from the transmission curve. Here you can select the correct material for your spectral range. Please click on the link on the left.

This symbol denotes crystal grown in-house.