Vacuum Optics Catalogue - June 2021

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Kodial Zero Length ViewportsSpecificationSeal TypeInductionMaximumTemperature350 °C (KF versions 150 °C)Kodial ZeroLength ViewportsMinimum Temperature minus 20 °CMaximum Rate ofTemperature ChangeLeak RatePressure Range3 °C per minute<1x10 -10 atm-cc/sec (He)1 bar to 1x10 -11 mbarTorr Scientific Kodial viewports are offered in CF, ISO and KF flange styles. The viewports comprisea borosilicate glass optic which is sealed to a Kovar weld ring using an induction heater process.The optic assemblies are TIG welded in to flanges and are helium leak tested and cleaned for ultrahigh vacuum (UHV) conditions. The CF versions are offered using 304L or 316LN stainless steelflanges. Flanges in 304L stainless steel are used for the high vacuum KF and ISO viewports. Therugged construction of the Kodial viewports allows repeated bake-out with UHV performance,whilst the window offers broadband optical transmission from the visible to near infra-red. Antireflectivecoatings to match customer reflectance requirements are also processed at TSL. Pleaseadvise the wavelength or wavelength ranges of your application and a reflectance curve will beprepared. Non-standard viewports can be manufactured on request, including re-entrant stylemicroscope/camera viewports. Annealed copper gaskets and other component accessories are alsosupplied by TSL.Transmission Curve - KodialPlease note that the optical transmission curves are approximations and should be used for reference only20Copyright ©www.torrscientific.co.ukSkip to Contents
Kodial Zero Length ViewportsCF-1KF-1ISO-1CF-2KF-2ISO-2CF-3KF-3ISO-3Kodial ZeroLength ViewportsPart Number Flange Type A(mm)B(mm)C(mm)D(mm)DiagramFlangeMaterialWeld RingMaterialVPZ16 NW16CF 34 15 1 12.7 CF-1 304L KovarVPZ16-LN NW16CF 34 15 1 12.7 CF-1 316LN KovarKVPZ16 KF16 25 15 1 12.7 KF-1 304L KovarKVPZ25 KF25 40 20 1.5 18.5 KF-2 304L KovarVPZ38 NW35CF 70 32 2.5 12.7 CF-1 304L KovarVPZ38LA NW35CF 70 38 3 12.7 CF-2 304L KovarVPZ38-LN NW35CF 70 32 2.5 12.7 CF-1 316LN KovarVPZ38LA-LN NW35CF 70 38 3 12.7 CF-2 316LN KovarKVPZ40LA KF40 55 38 3 18.5 KF-3 304L KovarKVPZ50 KF50 75 38 3 15 KF-3 304L KovarVPZ50 NW50CF 86 38 3 16 CF-2 304L KovarISO63VPZ ISO63 95 38 3 12 ISO-1 304L KovarVPZ64 NW63CF 114 63 3 17.4 CF-1 304L KovarVPZ64LA NW63CF 114 65 3.5 17.4 CF-2 304L KovarVPZ64-LN NW63CF 114 63 3 17.4 CF-1 316LN KovarVPZ100 NW100CF 152 89 4 19.9 CF-3 304L KovarVPZ100-LN NW100CF 152 89 4 19.9 CF-3 316LN KovarISO100VPZ ISO100 130 63 3 12 ISO-2 304L KovarVPZ150 NW150CF 203 136 6.5 22.3 CF-3 304L KovarVPZ150-LN NW150CF 203 136 6.5 22.3 CF-3 316LN KovarISO160VPZ ISO160 180 89 4 12 ISO-3 304L KovarVPZ200 NW200CF 254 136 8 24.5 CF-3 304L Kovarwww.torrscientific.co.uk 21Skip to ContentsCopyright ©
Page 2 and 3: Issue June 20212Copyright ©www.tor
Page 4 and 5: ContentsCompany Introduction ......
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Page 8 and 9: FacilitiesFacilitiesAll brazed and
Page 10 and 11: Product IntroductionViewportsTorr S
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Page 14 and 15: Fused Silica Zero Length ViewportsF
Page 16 and 17: Bonded Fused Silica Zero Length Vie
Page 18 and 19: Fused Silica Re-Entrant ViewportsSp
Page 22 and 23: Kodial Zero Length Viewports with I
Page 24 and 25: Kodial Zero Length Viewportswith X-
Page 26 and 27: Kodial Zero Length Viewports withIT
Page 28 and 29: Non-Magnetic Kodial Zero Length Vie
Page 30 and 31: Kodial Re-Entrant ViewportsSpecific
Page 32 and 33: 200°C Sapphire Zero Length Viewpor
Page 34 and 35: High Temperature Sapphire Zero Leng
Page 36 and 37: Zinc Selenide Zero Length Viewports
Page 38 and 39: Magnesium Fluoride Zero Length View
Page 40 and 41: Calcium Fluoride Zero Length Viewpo
Page 42 and 43: Barium Fluoride Zero Length Viewpor
Page 44 and 45: CVD Diamond UHV ViewportsSpecificat
Page 46 and 47: Quartz Natural Z-Cut Zero Length Vi
Page 48 and 49: Differentially-pumped ViewportsSpec
Page 50 and 51: Fused Silica UHV Laser Viewportswit
Page 52 and 53: Fused Silica UHV Viewportswith Anti
Page 54 and 55: Fused Silica UHV Viewportswith Broa
Page 56 and 57: Fused Silica UHV Viewportswith ‘W
Page 58 and 59: Kodial Zero Length Viewportswith An
Page 60 and 61: Kodial Zero Length Viewportswith Br
Page 62 and 63: Kodial Zero Length Viewportswith
Page 64 and 65: Kodial Zero Length Viewportswith
Page 66 and 67: Sapphire viewports with Anti-Reflec
Page 68 and 69: Sapphire viewports withBroadband An
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Sapphire viewports with‘VAR’ An
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AR CoatedZinc Selenide ZeroLength V
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AR Coated Zinc Selenide Zero Length
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Glass to Metal SealsCF Tubulated Ko
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KF and ISO Centering RingsSpecifica
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CF Copper GasketsSpecificationMater
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Clamps and FastenersKF Swing Clamps
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Atom Trap ChambersSpecificationBody
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Viewport ShuttersFeaturesManual or
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OpticsFused SilicaFused Silica is a
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Attenuation Filter WheelsSpecificat
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CVD DiamondSpecificationTolerance o
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Ceramic BreaksSpecificationSeal Typ
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UHV CF RHEED ScreensCF ViewportCF V
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IndexPart NumberATC-10PC 89ATC-10PU
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IndexPart NumberKVPZ50QWAR 57KVPZ50
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IndexPart NumberVPZ150WAR-LN 65VPZ1
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Vacuum Optics Catalogue - June 2021

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