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Products / Optics / Windows and Diffusers / UV and IR Windows / Barium Fluoride (BaF2) Wedged Windows
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50.8mm Dia., 6mm Thick, 30' Wedge, Barium Fluoride (BaF2) Wedged Window

Barium Fluoride (BaF2) Wedged Windows

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Stock #16-807
S$992.00
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Qty 1+
S$992.00
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Abbe Number (vd):
81.78
Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
43.18
Diameter (mm):
50.80 +0.00/-0.13
Thickness (mm):
6.00 ±0.13
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
18.1
Density (g/cm3):
4.89
Edges:
Fine Ground
Index of Refraction nd:
1.478 @ 0.5μm
1.451 @ 5μm
1.401 @ 10μm
Knoop Hardness (kg/mm2):
82
Poisson's Ratio:
0.343
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Barium Fluoride (BaF2)
Surface Flatness:
2λ @ 633nm
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
200 - 12000
Young's Modulus (GPa):
53
Wedge Angle:
30±15 arcmin

Regulatory Compliance

RoHS:
Compliant
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Product Family Description

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. 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.

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