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ISP Optics Potassium Bromide (KBr) Windows

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  • 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.

Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
85
Clear Aperture CA (mm):
21.59
Diameter (mm):
25.40 +0.00/-0.13
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
7
Parallelism (arcmin):
<3
Poisson's Ratio:
0.203
Young's Modulus (GPa):
26.8
Abbe Number (vd):
33.64
Coating:
Uncoated
Index of Refraction (nd):
1.56
Substrate:
Potassium Bromide (KBr)
Surface Flatness (P-V):
λ/10 @ 10.6μ
Surface Quality:
60-40
Wavelength Range (nm):
250 - 26000
Coefficient of Thermal Expansion CTE (10-6/°C):
43
Density (g/cm3):
2.753
Solubility, in 100g of H2O @ 273K (g):
53.48

Products

Dia. (mm)  Thickness (mm)   Coating   Model Number   Compare   Stock Number   Price  Buy
25.40 3.00 Uncoated KB-W-25-3 #24-610 Clearance S$228.38   Request Quote  
  • 3-5 days
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25.40 4.00 Uncoated KB-W-25-4 #24-611 Clearance S$228.38   Request Quote  
  • 3-5 days
    ×
 

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