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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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UHV extended range viewport, optical, UV/IR | 303148
Connection type
CF
Nominal diameter
40
Max. operating temperature
248 °F
View diameter
1.26 ″
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
60 scratch/dig
 
 
Connection type
CF
Nominal diameter
40
Max. operating temperature
120 °C
View diameter
32 mm
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
60/40 (scratch/dig)
 
 
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in production
UHV extended range viewport, optical, UV/IR, non-magnetic | 303149
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN
Max. operating temperature
248 °F
Window material
Calcium fluoride
View diameter
1.26 ″
Transmission range
160-7000 nm
Surface quality
60 scratch/dig
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN
Max. operating temperature
120 °C
Window material
Calcium fluoride
View diameter
32 mm
Transmission range
160-7000 nm
Surface quality
60/40 (scratch/dig)
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available
UHV extended range viewport, optical, UV/IR | 313158
Connection type
CF
Nominal diameter
40
Max. operating temperature
392 °F
View diameter
0.886 ″
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Max. operating temperature
200 °C
View diameter
22,5 mm
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
UHV extended range viewport, optical, UV/IR | 348793
Connection type
CF
Nominal diameter
40
Max. operating temperature
392 °F
View diameter
0.886 ″
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Max. operating temperature
200 °C
View diameter
22,5 mm
Window material
Calcium fluoride
Transmission range
160-7000 nm
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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available
UHV extended range viewport, optical, UV/IR, non-magnetic | 331682
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN
Max. operating temperature
392 °F
Window material
Calcium fluoride
View diameter
0.886 ″
Transmission range
160-7000 nm
Surface quality
20 scratch/dig
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN
Max. operating temperature
200 °C
Window material
Calcium fluoride
View diameter
22,5 mm
Transmission range
160-7000 nm
Surface quality
20/10 (scratch/dig)
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UHV fused silica viewport, optical | 406418
Connection type
CF
Nominal diameter
40
Max. operating temperature
392 °F
View diameter
1.378 ″
Window material
Fused silica (laser-grade)
Transmission range
250-2000 nm
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Max. operating temperature
200 °C
View diameter
35 mm
Window material
Fused silica (laser-grade)
Transmission range
250-2000 nm
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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available
UHV fused silica viewport, optical, BBAR-coated | 406509
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
425-760 nm
Reflectivity per surface
Ravg < 0,5%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
425-760 nm
Reflectivity per surface
Ravg < 0,5%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
UHV fused silica viewport, optical, BBAR-coated | 350210
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
425-760 nm
Reflectivity per surface
Ravg < 0,5%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
425-760 nm
Reflectivity per surface
Ravg < 0,5%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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available
UHV fused silica viewport, optical, BBAR-coated | 313155
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
550-1100 nm
Reflectivity per surface
Ravg < 0,75%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
550-1100 nm
Reflectivity per surface
Ravg < 0,75%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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on request
UHV fused silica viewport, optical, BBAR-coated | 350284
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
550-1100 nm
Reflectivity per surface
Ravg < 0,75%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
550-1100 nm
Reflectivity per surface
Ravg < 0,75%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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available
UHV fused silica viewport, optical, non-magnetic | 347918
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN-ESR
Max. operating temperature
392 °F
Window material
Fused silica (laser-grade)
View diameter
1.378 ″
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN-ESR
Max. operating temperature
200 °C
Window material
Fused silica (laser-grade)
View diameter
35 mm
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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available
UHV fused silica viewport, optical, VAR-coated | 343644
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
1550 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
1550 nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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UHV fused silica viewport, optical, VAR-coated | 410131
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
355nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
355nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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in production
UHV fused silica viewport, optical, WAR-coated | 367499
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
532/1064 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
532/1064 nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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UHV fused silica viewport, optical, WAR-coated | 352939
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
780/1064 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
780/1064 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 | 332968
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
808 nm
Reflectivity per surface
R < 0,25%
Surface quality
20 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Fused silica (laser-grade)
Coated diameter
> 27 mm
Coating wavelength(s)
808 nm
Reflectivity per surface
R < 0,25%
Surface quality
20/10 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
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UHV fused silica viewport, standard | 406130
Connection type
CF
Nominal diameter
40
Leak rate
< 0.75E-10 Torr ∙ l/s
Max. operating temperature
392 °F
View diameter
1.378 ″
Window material
Fused silica (UV-grade)
Transmission range
250-2000 nm
Window mounting
Brazed
Connection type
CF
Nominal diameter
40
Leak rate
< 1E-10 mbar ∙ l/s
Max. operating temperature
200 °C
View diameter
35 mm
Window material
Fused silica (UV-grade)
Transmission range
250-2000 nm
Window mounting
Brazed
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in production
UHV fused silica viewport, non-magnetic | 347641
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN-ESR
Max. operating temperature
392 °F
View diameter
1.378 ″
Window material
Fused silica (UV-grade)
Transmission range
250-2000 nm
Connection type
CF
Nominal diameter
40
Flange material
Stainless steel 316LN-ESR
Max. operating temperature
200 °C
View diameter
35 mm
Window material
Fused silica (UV-grade)
Transmission range
250-2000 nm
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available
Fused Silica KF Viewport for wall installation, Standard | 321867
Connection type
KF
Nominal diameter
40
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.575 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
40
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
40 mm
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
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available
Fused Silica KF Viewport for flange installation, Standard | 349733
Connection type
KF
Nominal diameter
40
Leak rate
< 0.75E-9 Torr ∙ l/s
Max. operating temperature
302 °F
View diameter
1.575 ″
Window material
Fused silica
Transmission range
300-2000 nm
Window mounting
FKM O-Ring
Connection type
KF
Nominal diameter
40
Leak rate
< 1E-9 mbar ∙ l/s
Max. operating temperature
150 °C
View diameter
40 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.