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ISP Optics Barium Fluoride (BaF2) Wedged Windows

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Barium Fluoride (BaF2) Wedged Windows

Barium Fluoride (BaF<sub>2</sub>) Wedged Windows
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Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
85
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
82
Poisson's Ratio:
0.343
Young's Modulus (GPa):
53
Abbe Number (vd):
81.78
Surface Quality:
60-40
Wedge Angle:
30±15 arcmin
Coefficient of Thermal Expansion CTE (10-6/°C):
18.1
Density (g/cm3):
4.89

Products

Dia. (mm)  Thickness (mm)   Coating   Wedge Angle   Compare   Stock Number   Price  Buy
12.70 2.00 Uncoated 30±15 arcmin
25.40 4.00 Uncoated 30±15 arcmin
50.80 6.00 Uncoated 30±15 arcmin
25.40 4.00 BBAR (2000-5000nm) 30±15 arcmin
50.80 6.00 BBAR (2000-5000nm) 30±15 arcmin

Product Details

ISP Optics Barium Fluoride (BaF2) Wedged Windows feature a 30 arcmin wedge to eliminate etalon effects, improving readout in detection and spectroscopy applications. With a low index of refraction of 1.48, these windows provide high transmission from 200nm to 12μm without the need of an anti-reflection (AR) coating. Barium fluoride windows can be used up to 800°C in a dry environment, but prolonged exposure to moisture can degrade transmission in the vacuum ultraviolet range. ISP Optics Barium Fluoride (BaF2) Wedged Windows are ideal for infrared spectroscopy, thermal imaging, and general UV-IR detection applications. Barium fluoride is also a fast scintillator and can be used for the detection X-rays, gamma rays, or other high energy particles.

Note: These optical windows are very sensitive to thermal shock.

Technical Information

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