Vacuum Optics Catalogue - March 2022

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CVD Diamond UHV ViewportsSpecificationSeal TypeBrazeMaximum Temperature450 °C 304L, 600 °C 316LNMinimum Temperature minus 20 °CCVD DiamondUHV ViewportsMaximum Rate ofTemperature ChangeWindow RoughnessLeak RatePressure Range3 °C per minute30nm Ra<1x10 -10 atm-cc/sec (He)1 bar to 1x10 -11 mbarTorr Scientific CVD Diamond UHV Viewports are offered as standard in CF flanges, but can be suppliedin ISO, KF or custom designed flanges on request. The viewports comprise a diamond windowwhich is synthetically produced by a chemical vapour deposition (CVD) process. The ultra highvacuum (UHV) CF versions are offered using high grade 304L or 316LN stainless steel flanges. TSLviewports are manufactured in cleanroom conditions and helium leak tested, cleaned and packedto UHV standards. The rugged construction of the CVD Diamond viewports allows repeated bakeoutwith UHV performance. The transmission properties of the CVD Diamond extend from visiblethrough FIR to beyond 100 microns. The window is polished to a surface roughness of 30nm Ra,has high thermal conductivity and good bio compatibility. Various anti-reflective coatings to matchcustomer reflectance requirements are also processed at TSL. Non-standard viewports can be manufacturedon request, including re-entrant style microscope/camera viewports. Annealed coppergaskets and other component accessories are also supplied by TSL.Transmission Curve - CVD DiamondPlease note that the optical transmission curves are approximations and should be used for reference only44Copyright ©www.torrscientific.co.ukSkip to Contents
CVD Diamond UHV ViewportsCF-1CF-2CVD DiamondUHV ViewportsPart NumberFlangeTypeA(mm)B(mm)C(mm)D(mm)DiagramFlangeMaterialWindowGradeVPZ16CVDDX NW16CF 34 15 0.5 12.7 CF-1 304L X-rayVPZ16CVDD NW16CF 34 15 0.5 12.7 CF-1 304L OpticalVPZ16CVDDX-LN NW16CF 34 15 0.5 12.7 CF-1 316LN X-rayVPZ16CVDD-LN NW16CF 34 15 0.5 12.7 CF-1 316LN OpticalVPZ38/15CVDDX NW35CF 70 15 0.5 12.7 CF-1 304L X-rayVPZ38/15CVDD NW35CF 70 15 0.5 12.7 CF-1 304L OpticalVPZ38/15CVDDX-LN NW35CF 70 15 0.5 12.7 CF-1 316LN X-rayVPZ38/15CVDD-LN NW35CF 70 15 0.5 12.7 CF-1 316LN OpticalVPZ38/20CVDDX NW35CF 70 20 0.5 12.7 CF-2 304L X-rayVPZ38/20CVDD NW35CF 70 20 0.5 12.7 CF-2 304L OpticalVPZ38/20CVDDX-LN NW35CF 70 20 0.5 12.7 CF-2 316LN X-rayVPZ38/20CVDD-LN NW35CF 70 20 0.5 12.7 CF-2 316LN Opticalwww.torrscientific.co.uk 45Skip 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 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 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
Page 88 and 89: Atom Trap ChambersSpecificationBody
Page 90 and 91: Viewport ShuttersFeaturesManual or
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Page 96 and 97:
OpticsFused SilicaFused Silica is a
Page 98 and 99:
Attenuation Filter WheelsSpecificat
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100www.torrscientific.co.ukSkip to
Page 102 and 103:
CVD DiamondSpecificationTolerance o
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Page 106 and 107:
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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