Barium Fluoride Circular Optical Windows, Firebird Optics
BaF₂ (Barium fluoride) optical window for use in FTIR spectroscopy.
- Multi-purpose window for use in UV/VIS and FTIR spectroscopy
- Circular shape
- Large transmission range of 200 nm to 12 μm
- Can be used up to 800 °C in a dry environment
- Resistant to high energy radiation
- Low absorbance coefficient
Low index of refraction and high transmission means no AR coatings needed.
Surface quality: 60/40 scratch dig
Tolerance: Diameter - ±0.1 mm; Thickness - ±0.2 mm
Aperture: 90% (clear aperture)
Melting point: 1360 °C
Parallelism: <3 arc min
Density: 3.18 g/cm³
Young's Modulus: 53 (Gpa)
Knoop Hardness: 82 kg/mm²
Coefficient of Thermal Expansion: 18.1×10⁻⁶/°C
: In compliance with ISO 9001 standards.
: Windows are packaged in moisture-protective packaging.
: Care must be taken to avoid exposure to moisture, which will degrade the optical surfaces.
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