Optical crystal material: Barium fluoride (BaF2)

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last updated：Nov 01, 2022

大阪硝子工業

Optical crystal materials used as lenses and window materials in the wavelength range of 0.15 to 13 μm.

Our company handles "Magnesium Fluoride," an optical crystal material. This product is a glass that excels in infrared transmission, with a transmission wavelength range from 0.15μm to 14μm, making it suitable for use as lenses and window materials across a wide range of wavelengths from ultraviolet to infrared. Please note that it is vulnerable to thermal shock and requires caution. 【Features】 ■ Used as lenses and window materials across a wide wavelength range from ultraviolet to infrared ■ Weak against thermal shock *For more details, please refer to the PDF document or feel free to contact us.

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basic information

【Properties】 ■Chemical composition: BaF2 ■Transmission wavelength range (μm): 0.15–13 ■Refractive index: 1.4756 (0.546μ) ■Color: Colorless ■Density (g/cm3): 4.83 ■Melting point (℃): 1280 ■Thermal conductivity (cal/cm･sec･℃): 0.028 (13℃) ■Coefficient of thermal expansion (/℃): 0.000018 (0–300℃) ■Hardness (Knoop number): 82 ■Solubility (g･100g H2O): 0.162 (30℃) *These values indicate general properties and do not guarantee performance. *For more details, please refer to the PDF document or feel free to contact us.