Extended Range Viewports
£603–£3,242
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- Fig. 1
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- Fig. 2
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- Fig. 3
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- Fig. 4
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- Fig. 5
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- Transmission curve Calcium Fluoride
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- Transmission curve Magnesium fluoride
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- Transmission curve Zinc selenide
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- Transmission curve Crystal quartz
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- Transmission curve Germanium
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- Reflectance curve AR coated Zinc selenide
TECHNICAL SPECS – CLICK HERE
Extended Range Viewports
LewVac offer a range of UHV viewports with extended transmission range materials. Available materials are: calcium fluoride, magnesium fluoride, zinc selenide, crystal quartz & germanium.
Anti-reflective coatings can also be applied to order.
Features:
• UHV compatible.
Specifications:
Materials
Window : See table
Flanges : 304 / 316 St.St.
Max. Bakeout Temperature* :
CF flanged viewports : 200°C
AR Coated viewports : 200°C
Max. Thermal Gradient : 25°C per minute
Optical properties
Parallelism : <3 arc minutes
Flatness : See table measured as λ/? @ 632nm transmitted wavefront or λ/? @ 10 microns
Surface finish : See table measured as scratch/dig
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* – Assembly rating is reduced to that of the lowest rated component.
| Product Code | Flange | Window material | Flatness | Surface finish | AR Coating | Price | Quantity | PDF & STP | |
|---|---|---|---|---|---|---|---|---|---|
| VOVP-CAFL-16CF | DN16CF | CaFl | λ/2 @632nm | 40/20 | - | £603 | |||
| VOVP-CAFL-40CF | DN40CF | CaFl | λ/2 @632nm | 20/10 | - | £603 | |||
| VOVP-CAFL-63CF | DN63CF | CaFl | λ/2 @632nm | 20/10 | - | £1,976 | |||
| VOVP-CAFL-40KF | DN40KF | CaFl | λ/2 @632nm | 20/10 | - | £603 | |||
| VOVP-CAFL-50KF | DN50KF | CaFl | λ/2 @632nm | 20/10 | - | £603 | |||
| VOVP-157CAFL-40CF | DN40CF | 157 CaFl | λ/4 @632nm | 20/10 | - | £1,166 | |||
| VOVP-157CAFL-63CF | DN63CF | 157 CaFl | λ/2 @632nm | 20/10 | - | £2,410 | |||
| VOVP-MF-16CF | DN16CF | MgF2 | λ/4 @632nm | 20/10 | - | £603 | |||
| VOVP-MF-40CF | DN40CF | MgF2 | λ/4 @632nm | 20/10 | - | £603 | |||
| VOVP-MF-63CF | DN63CF | MgF2 | λ/4 @632nm | 20/10 | - | £2,381 | |||
| VOVP-MF-40KF | DN40KF | MgF2 | λ/4 @632nm | 20/10 | - | £603 | |||
| VOVP-MF-50KF | DN50KF | MgF2 | λ/4 @632nm | 20/10 | - | £603 | |||
| VOVP-MF-16CF-NM | DN16CF-LN | MgF2 | λ/2 @632nm | 20/10 | - | £765 | |||
| VOVP-157MF-40CF | DN40CF | 157 MgF2 | λ/2 @632nm | 20/10 | - | £988 | |||
| VOVP-ZS-16CF | DN16CF | ZnSe | 1/20λ @10.6µm | 60/40 | - | £603 | |||
| VOVP-ZS-40CF | DN40CF | ZnSe | 1λ @632nm | 40/20 | - | £603 | |||
| VOVP-ZS-63CF | DN63CF | ZnSe | 1λ @632nm | 40/20 | - | £2,381 | |||
| VOVP-ZS-40KF | DN40KF | ZnSe | 1λ @632nm | 40/20 | - | £603 | |||
| VOVP-ZS-50KF | DN50KF | ZnSe | 1λ @632nm | 40/20 | - | £603 | |||
| VOVP-ZS-16CF-NM | DN16CF-LN | ZnSe | 1λ @632nm | 40/20 | - | £765 | |||
| VOVP-ZSAR-16CF | DN16CF | ZnSe | 1λ @632nm | 60/40 | 8-12µm | £806 | |||
| VOVP-ZSAR-40CF | DN40CF | ZnSe | 1λ @632nm | 40/20 | 8-12µm | £806 | |||
| VOVP-ZSAR-63CF | DN63CF | ZnSe | 1λ @632nm | 40/20 | 8-12µm | £3,242 | |||
| VOVP-ZSAR-40KF | DN40KF | ZnSe | 1λ @632nm | 40/20 | 8-12µm | £806 | |||
| VOVP-ZSAR-50KF | DN50KF | ZnSe | 1λ @632nm | 40/20 | 8-12µm | £806 | |||
| VOVP-ZSAR-16CF-NM | DN16CF-LN | ZnSe | 1λ @632nm | 40/20 | 8-12µm | £968 | |||
| VOVP-CQ-40CF | DN40CF | Sio2 | 1λ @632nm | 40/20 | - | £1,064 | |||
| VOVP-CQ-63CF | DN63CF | Sio2 | 1λ @632nm | 40/20 | - | £1,775 | |||
| VOVP-CQZ-40CF | DN40CF | Sio2 | λ/4 @632nm | 20/10 | - | £1,181 | |||
| VOVP-CQZ-63CF | DN63CF | Sio2 | λ/4 @632nm | 20/10 | - | £2,381 | |||
| VOVP-GE-40CF | DN40CF | Ge | λ/10 @10.6µm | 40/20 | - | £705 | |||
| VOVP-GE-63CF | DN63CF | Ge | λ/10 @10.6µm | 40/20 | - | £1,976 |
