50.8mm Dia., 8mm Thick, Uncoated, ISP Optics Potassium Bromide (KBr) Window | KB-W-50-8

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Abbe Number (vd):
33.64
Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
43.18
Diameter (mm):
50.80 +0.00/-0.13
Thickness (mm):
8.00 ±0.13
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
43
Density (g/cm3):
2.753
Edges:
Fine Ground
Index of Refraction nd:
1.56
Knoop Hardness (kg/mm2):
7
Parallelism (arcmin):
<3
Poisson's Ratio:
0.203
Solubility, in 100g of H2O @ 273K (g):
53.48
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Potassium Bromide (KBr)
Surface Flatness (P-V):
λ/10 @ 10.6μ
Surface Quality:
60-40
Type:
Protective Window
Wavelength Range (nm):
250 - 26000
Young's Modulus (GPa):
26.8
Type of Window:
Crystal
Model Number:
KB-W-50-8

Regulatory Compliance

RoHS:
Certificate of Conformance:

Product Family Description

  • Excellent Transmission from 0.25 – 26μm
  • Good Resistance to Mechanical Shock
  • Ideal for FTIR Spectroscopy

ISP Optics Potassium Bromide (KBr) Windows feature excellent transmission across a broad wavelength range from the Deep UV (DUV) to the Long-Wave Infrared (LWIR). These windows are highly resistant to mechanical shock, can be easily cleaved, and can be used in temperatures up to 300°C. Potassium Bromide is water soluble and it should be protected from exposure to moisture and high humidity as it will degrade the surface of the window. ISP Optics Potassium Bromide (KBr) Windows can be used for a wide range of applications in the UV, Visible, MWIR, and LWIR spectra, but is particularly useful for Fourier Transform Infrared (FTIR) spectroscopy.

Note: Potassium Bromide (KBr) is water soluble and must be protected from humid or wet environments.