Re-entrant Fused Silica Viewports

re-entrant

Re-entrant Fused Silica Viewports

£588£1,218

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Technical Specs

Re-entrant Fused Silica Viewports

Specifications:
Materials
Window : Corning HPFS® 7890 fused silica
Carrier : St.St.
Flanges : St.St.

Max. Bakeout Temperature* :
CF flanged viewports : 200°C
Max. Thermal Gradient : 25°C per minute

Optical properties
Surface finish UV grade : 40/20 scratch/dig
Surface finish DUV grade: 20/10 scratch/dig
UV transmission @ 250nm (external)  : > 90%
DUV transmission @ 248nm (internal)  : ≥99.8%
Parallelism UV grade : <30 arc minutes
Parallelism DUV grade :  <10 arc seconds
Homogeneity grade UV / DUV : F / A
Inclusion class UV / DUV : 2 / 0
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* – Assembly rating is reduced to that of the lowest rated component.


Product CodeFlangeGradeABCDPriceQuantityPDF & STP
FSVP-UV-63CFREDN63CFUV35.548.288.91.3 £588
    FSVP-UV-100CFRE DN100CFUV 68.3 72.988.9 1.8 £966
      FSVP-DUV-63CFREDN63CF DUV35.548.288.91.3 £714
        FSVP-DUV-100CFRE DN100CF DUV 68.3 72.988.9 1.8 £1,218
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