Vacuum Optics Catalogue - March 2022

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Magnesium Fluoride Zero Length ViewportsSpecificationSeal TypeBondMaximum Temperature 120 °CMinimum Temperature minus 45 °CMagnesiumFluoride Zero LengthViewportsMaximum Rate ofTemperature ChangeLeak RatePressure RangeSurface QualityFlatness λ/43 °C per minute<1x10 -10 atm-cc/sec (He)1 bar to 1x10 -9 mbar60/40 scratch/digTorr Scientific magnesium fluoride viewports are offered in CF, ISO and KF flange styles. The clean,UHV CF versions are offered using 304L or 316LN stainless steel flanges. Non-magnetic viewportsare offered as standard using annealed stainless steel weld rings and high grade 316LN and CFflanges. Flanges in 304L stainless steel are used for the high vacuum KF and ISO viewports. The rugged,bonded construction of the magnesium fluoride viewports allows bake-out to a maximum of120 °C with ultra high vacuum (UHV) performance whilst the window offers extended broadbandoptical transmission from deep UV to the infra-red. Specially coated optics optimised to minimisereflectance at customer specified wavelength can be quoted on request. Non-standard viewportscan be manufactured on request, including re-entrant style microscope/camera viewports. Annealedcopper gaskets and other component accessories are also supplied by TSL.Transmission Curve - Magnesium FluoridePlease note that the optical transmission curves are approximations and should be used for reference only38Copyright ©www.torrscientific.co.ukSkip to Contents
Magnesium Fluoride Zero Length ViewportsCF-1KF-1ISO-1CF-2CF-3KF-2KF-3ISO-2ISO-3MagnesiumFluoride Zero LengthViewportsPart NumberFlangeTypeA(mm)B(mm)C(mm)D(mm)FlangeMaterialBVPZ16MgF2 NW16CF 34 15 2.5 12.7 CF-1 304L 316LWeld RingMaterialBVPZ16MgF2-NM NW16CF 34 15 2.5 12.7 CF-1 316LN 316L Annealed YesBKVPZ16MgF2 KF16 40 15 2.5 15 KF-1 304L 316LBKVPZ25MgF2 KF25 40 20 3 18.5 KF-1 304L 316LBVPZ38MgF2 NW35CF 70 32 3 12.7 CF-1 304L 316LBVPZ38LAMgF2 NW35CF 70 38 4 12.7 CF-2 304L 316LBVPZ38MgF2-NM NW35CF 70 32 3 12.7 CF-1 316LN 316L Annealed YesBKVPZ40/32MgF2 KF40 55 32 3 12.7 KF-1 304L 316LBKVPZ40MgF2 KF40 55 38 4 18.5 KF-2 304L 316LBKVPZ50MgF2 KF50 75 38 4 15 KF-3 304L 316LBVPZ64MgF2 NW63CF 114 63 5 17.4 CF-1 304L 316LBVPZ64MgF2-NM NW63CF 114 63 5 17.4 CF-1 316LN 316L Annealed YesBISO63VPZMgF2 ISO63 95 38 4 12 ISO-1 304L 316LBVPZ100MgF2 NW100CF 152 89 6.5 19.9 CF-3 304L 316LBVPZ100MgF2-NM NW100CF 152 89 6.5 19.9 CF-3 316LN 316L Annealed YesBISO100VPZMgF2 ISO100 130 63 5 12 ISO-2 304L 316LBVPZ150MgF2 NW150CF 203 136 9.5 22.3 CF-3 304L 316LBVPZ150MgF2-NM NW150CF 203 136 9.5 22.3 CF-3 316LN 316L Annealed YesBISO160VPZMgF2 ISO160 180 89 6.5 12 ISO-3 304L 316LBVPZ200MgF2 NW200CF 254 136 9.5 24.5 CF-3 304L 316LDiagramNon-Magneticwww.torrscientific.co.uk 39Skip to ContentsCopyright ©
Page 2 and 3: Issue March 20222Copyright ©www.to
Page 4 and 5: ContentsCompany Introduction ......
Page 6 and 7: 6www.torrscientific.co.ukSkip to Co
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 20 and 21: Kodial Zero Length ViewportsSpecifi
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 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
Page 70 and 71: Sapphire viewports with‘VAR’ An
Page 72 and 73: AR CoatedZinc Selenide ZeroLength V
Page 74 and 75: AR Coated Zinc Selenide Zero Length
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Page 78 and 79: Glass to Metal SealsCF Tubulated Ko
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Page 82 and 83: KF and ISO Centering RingsSpecifica
Page 84 and 85: CF Copper GasketsSpecificationMater
Page 86 and 87: Clamps and FastenersKF Swing Clamps
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Atom Trap ChambersSpecificationBody
Page 90 and 91:
Viewport ShuttersFeaturesManual or
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Page 96 and 97:
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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118Copyright ©www.torrscientific.c
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Vacuum Optics Catalogue - March 2022

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