Infrared Barium Fluoride (IR Baf2)

IR Barium Fluoride

Infrared barium fluoride has a 90% transmittance in the 200-9500nm spectral range. It is used for lens, beam splitter, filter, prism and window in cryogenic imaging, aerospace optics and laser optics systems. There is a certain amount of water dissolution, suitable for use in dry environment. It is cubic crystal system fuse 1280 degrees, good moisture resistance, salt spray resistance is poor. It can contact water for a long time as the infrared window of the gas chamber or liquid pool, and can not be applied in the seaside, otherwise it will appear shell and crack. Used in infrared detector, infrared imaging system, infrared spectrometer. It can be used to manufacture lasers, optical fiber communication, etc. The shape can be processed for round, rectangular, open hole, meniscus, wedge Angle, flat convex, flat concave, double convex, double concave, open ball, prism.

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	Dia(mm)	ThK(mm)	Structure	Orientation
	Screen Reset 3-280 3-130	Screen Reset 0.5-60	Screen Reset Polycrystalline Monocrystalline	Screen Reset None <100> <200> <111>
More+ Less	3-280	0.5-60	Polycrystalline	None
Infrared Barium Fluoride，3-280mm，Polycrystalline Number：BaF2A004 Dia(mm)：3-280 ThK(mm)：0.5-60 Structure：Polycrystalline Orientation：None Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Barium Fluoride（BaF2） Transmission Range：0.4-14μm Density(g/cm³)：4.89 REACH：Compliant ROHS：Compliant
More+ Less	3-130	0.5-60	Monocrystalline	<100>
Infrared Barium Fluoride，3-130mm，Monocrystalline<100> Number：BaF2A003 Dia(mm)：3-130 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<100> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Barium Fluoride（BaF2） Transmission Range：0.4-14μm Density(g/cm³)：4.89 REACH：Compliant ROHS：Compliant
More+ Less	3-130	0.5-60	Monocrystalline	<200>
Infrared Barium Fluoride，3-130mm，Monocrystalline<200> Number：BaF2A002 Dia(mm)：3-130 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<200> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Barium Fluoride（BaF2） Transmission Range：0.4-14μm Density(g/cm³)：4.89 REACH：Compliant ROHS：Compliant
More+ Less	3-130	0.5-60	Monocrystalline	<111>
Infrared Barium Fluoride，3-130mm，Monocrystalline<111> Number：BaF2A001 Dia(mm)：3-130 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<111> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Barium Fluoride（BaF2） Transmission Range：0.4-14μm Density(g/cm³)：4.89 REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	0.15-14μm
Transmittance	>94%@0.35nm-10.8μm
Refractive Index	1.462@2.58μm 1.45@5μm
Reflection Loss	6.8%@2.58μm(both surfaces) 6.5%@5μm(both surfaces) 5.3%@10.35μm(both surfaces)
Absorption Coefficienet	3.2×10-4@6μm
Structure	Cubic Crystal System
Cleavage Planes	<111>
Physical Properties
Density [g/cm3]	4.89
Melting Point [℃]	1386
Thermal Conductivity [W/(m×K)]	11.72 @ 286K
Thermal Expansion [10-6/K]	18.1 @ 273K
Knoop Hardness [kg/mm2]	82
Specific Heat Capacity [J/(kg×K)]	410
Dielectric Constant	7.33 @ 1 MHz
Young's Modulus (E) [GPa]	53.07
Shear Modulus(G) [GPa]	25.4
Bulk Modulus(K) [GPa]	56.4
Poisson Coefficient	0.343
Chemical Properties
Solubility / g/L	1.7g @ 20℃
Molecular Weight / g/mol	175.3238

IR Barium Fluoride

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