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Viewports

Viewports are suitable for various vacuum-optical applications: from process monitoring and illumination to precise and efficient transport of optical signals.

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Radiation protection caps | 302287
Connection type
CF
Nominal diameter
63
Flange material
Stainless steel 316L
Window material
Lead glass
View diameter
2.598 ″
Window thickness
0.236 ″
Connection type
CF
Nominal diameter
63
Flange material
Stainless steel 316L
Window material
Lead glass
View diameter
66 mm
Window thickness
6 mm
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available
UHV fused silica viewport, optical | 409815
Connection type
CF
Nominal diameter
63
Max. operating temperature
392 °F
View diameter
2.677 ″
Window material
Fused silica (EUV laser-grade)
Transmission range
190-2000 nm
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
63
Max. operating temperature
200 °C
View diameter
68 mm
Window material
Fused silica (EUV laser-grade)
Transmission range
190-2000 nm
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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UHV fused silica viewport, optical, BBAR-coated | 406428
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
225-450 nm
Reflectivity per surface
Ravg < 1,5%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
225-450 nm
Reflectivity per surface
Ravg < 1,5%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
UHV fused silica viewport, optical, VAR-coated | 408950
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
193 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
193 nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
UHV fused silica viewport, optical, VAR-coated | 322162
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
248 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
63
Window material
Fused silica (EUV laser-grade)
Coated diameter
> 59 mm
Coating wavelength(s)
248 nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
Fused Silica KF/ISO Viewport, Standard | 322150
Connection type
ISO-F
Nominal diameter
63
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
2.756 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
ISO-F
Nominal diameter
63
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
70 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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on request
Fused Silica ISO-K Viewport for wall installation, Standard | 322153
Connection type
ISO-K
Nominal diameter
63
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
2.756 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
ISO-K
Nominal diameter
63
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
70 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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available
Fused Silica ISO-K Viewport for flange installation, Standard | 349735
Connection type
ISO-K
Nominal diameter
63
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
2.756 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
ISO-K
Nominal diameter
63
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
70 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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available
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We will be happy to advise you on further viewports that are currently not available in our shop.