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Demountable viewport on a ISO80 flange with UV grade fused silica optic

SKU: ISO80VPDF Category:

Demountable viewport on a ISO80 flange with UV grade fused silica optic

Demountable viewport for high vacuum systems allowing users to change optics without having to replace the complete viewport, which saves money, and is very useful if optic damage is likely, for example, in laser applications

  • Constructed from stainless steel 304L (1.4307) with an aluminium alloy retainer
  • Can be installed on standard KF vacuum ports, no special adaptors or fittings needed
  • UHV cleaned and helium leak tested
  • Typical lead time 4-6 weeks

Optic materials available: borosilicate glass, sapphire, zinc selenide (ZnSe), magnesium fluoride (MgF2), barium fluoride (BaF2) and calcium fluoride (CaF2). Other materials may be supplied on request.

Different sizes available on request.

£675.00

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a. View diameter: Ø66
b. -20°C to 150°C temperature range
c. Maximum rate of temperature change 3°C per
minute
d. Leak rate < 1×10-8 mbar.L / s [He]
e. Pressure range: 1 bar to 1×10-8 mbar
f. λ/8 (632.8nm) flatness for fused silica
g. λ/2 at (632.8nm) flatness for glass
h. Scratch/dig 20/10 for fused silica
i. Scratch/dig 60/40 for glass

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