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KBr Optical Windows
  • KBr Optical Windows
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Product Details

Potassium bromide window/KBr window

A material widely used in FTIR spectroscopy. Potassium bromide has a larger spectral range than sodium chloride (NaCl), and has a transmittance between 250nm-26μm. Within this range, its refractive index is between 1.46-1.59.



Diameter
0.2-300mm
Thickness
0.1-100mm
Dimension tolerance
/-0.02mm
Surface quality (scratch & dig)
20/10 or better
Clear aperture
>85%, >90%
Surface accuracy
λ/10
Parallelism
+/-30''
Bevel
0.1~0.3mm x 45 degree
Coating
AR or Custom


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