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Precision Flat Windows, S1-UV Grade Fused Silica

Specifications

Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Quality

20-10, scratch-dig or better

Clear Aperture

90%r

Edges

Fine ground and beveled

Precision Flat Windows, S1-UV Grade Fused Silica

Esco PN:
  • $ 7150


Precision laser quality round windows that range from 0.25 waves (lambda over four) to 0.10 wave (lambda over ten) flat. Catalog parallel specifications are either 5 arc seconds or 10 arc minutes. Ideal for interferometer flats, laser windows, beamsplitter substrates, and parallel plates. Precision flats are manufactured from S1 UV Grade Fused Silica 

Note to customer: Flatness and Paralellism units are are expressed as (waves - arc min)

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