Commercial Quality Windows, Circular, I2-IR Low OH Grade Fused Silica

Esco PN:
  • $ 2737


Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Accuracy

≤ 2λ per inch

Surface Quality

60-40 Scratch-Dig or better

Parallelism

<5'

Edges

Fine ground and safety beveled*

Clear Aperture

90%


*parts under 25.4mm in diameter may not have beveled edges

Low OH IR grade fused silica allows for exceptional transmission up to 3 microns.  Combined with a low coefficient of thermal expansion, superior homogeneity and low birefringence, low OH IR fused silica is an outstanding alternative to significantly more expensive IR materials. Applications of interest include process control and inspection using machine vision, high resolution SWIR imaging, remote sensing and metrology.

To find out more about this material click here.

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