Fused Silica Viewports – DUV Grade

kodial viewports-1

Fused Silica Viewports – DUV Grade

£0£2,478

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Technical Specs

Fused Silica Viewports – DUV Grade

Fused silica viewports offer increased transmission of UV and IR wavelengths. We offer fused silica viewports in three grades; UV grade with window material HPFS® fused silica standard grade, DUV grade with window material HPFS® fused silica KrF grade, and Excimer UV with window material HPFS® fused silica ArF grade. We also offer a range of anti-reflection coated fused silica viewports which have an anti-reflective coating applied to both sides of the vacuum window, achieving maximised transmission for various laser types.

Features:
UHV compatible.
Synthetic fused silica
Weldable versions available.

Specifications:
Materials
Window : Corning HPFS® 7980 fused silica
Carrier : St.St.
Flanges : St.St.

Max. Bakeout Temperature* :
CF flanged viewports : 200°C
KF flanged viewports : 150°C
Weldable viewports : 200°C

Max. Thermal Gradient : 25°C per minute

Optical properties
Surface finish : 20/10 scratch/dig
Flatness : λ/4 @ 632nm transmitted wavefront
UV transmission @ 248nm (internal) : ≥99.8%
parallelism : <10 arc seconds
Homogeneity grade : A
Inclusion class : 0
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* – Assembly rating is reduced to that of the lowest rated component.

Anti-Reflective Coating :- Anti-reflective coatings are available, please call our sales office to discuss your specific requirements.


Product CodeFig.FlangeABCDEFPriceQuantityPDF & STP
FSVP-DUV-16CF1DN16CF16.02.54.37.4-- £257
    FSVP-DUV-40CF1 DN40CF 35.5 3.2 8.9 12.7-- £294
      FSVP-DUV-3-3/8CF1 OD3-3/8CF 35.5 3.2 8.9 12.7-- £336
        FSVP-DUV-63CF1 DN63CF 68.3 6.4 10.4 17.3-- £798
          FSVP-DUV-4-5/8CF1 OD4-5/8CF 68.3 6.4 10.4 19.1-- £861
            FSVP-DUV-100CF1 DN100CF 98.5 6.4 13.0 19.8-- £1,134
              FSVP-DUV-6-3/4CF1 OD6-3/4CF 98.5 6.4 13.0 21.3-- P.O.A
                FSVP-DUV-160CF1 DN160CF 136.6 9.4 12.2 22.4-- £2,478
                  FSVP-DUV-200CF1 DN200CF 197.6 9.4 13.5 24.6-- P.O.A
                    FSVP-DUV-25KF 2 DN25KF16.0 2.2 - 10.0-- £299
                      FSVP-DUV-40KF 2 DN40KF 35.5 3.2 - 14.0-- £299
                        FSVP-DUV-50KF 2 DN50KF 35.5 3.2 - 16.0-- £336
                          FSVP-DUV-34.8-W 3 WELD 34.8 3.2 17.3 44.7 21.6 38.1 £328
                            FSVP-DUV-60.2-W 3 WELD 60.2 6.4 20.1 73.2 27.9 63.5 P.O.A
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