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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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VPCF63DUVQ-L

UHV fused silica viewport, optical | 406577

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

View diameter

2.677 ″

Transmission range

250-2000 nm

Surface quality

20 scratch/dig

Flatness (at 632,8 nm)

< lambda/4

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

View diameter

68 mm

Transmission range

250-2000 nm

Surface quality

20/10 (scratch/dig)

Flatness (at 632,8 nm)

< lambda/4

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VPCF63DUVQ-L-BBAR2

UHV fused silica viewport, optical, BBAR-coated | 406369

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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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VPCF63DUVQ-L-BBAR3

UHV fused silica viewport, optical, BBAR-coated | 406500

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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

VPCF63DUVQ-L-NM

UHV fused silica viewport, optical, non-magnetic | 347919

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (laser-grade)

View diameter

2.677 ″

Surface quality

20 scratch/dig

Flatness (at 632,8 nm)

< lambda/4

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (laser-grade)

View diameter

68 mm

Surface quality

20/10 (scratch/dig)

Flatness (at 632,8 nm)

< lambda/4

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on request

VPCF63DUVQ-L-VAR1550

UHV fused silica viewport, optical, VAR-coated | 378667

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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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on request

VPCF63DUVQ-L-VAR3

UHV fused silica viewport, optical, VAR-coated | 408296

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 mm

Coating wavelength(s)

780 nm

Reflectivity per surface

R < 0,25%

Surface quality

20 scratch/dig

Flatness (at 632,8 nm)

< lambda/4

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 mm

Coating wavelength(s)

780 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

VPCF63DUVQ-L-VAR532/1064

UHV fused silica viewport, optical, WAR-coated | 354656

Connection type

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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

Nominal diameter

Window material

Fused silica (laser-grade)

Coated diameter

> 59 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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on request

VPCF63EUVQ-L

UHV fused silica viewport, optical | 409815

Connection type

Nominal diameter

Window material

Fused silica (EUV laser-grade)

View diameter

2.677 ″

Transmission range

190-2000 nm

Surface quality

20 scratch/dig

Flatness (at 632,8 nm)

< lambda/4

Connection type

Nominal diameter

Window material

Fused silica (EUV laser-grade)

View diameter

68 mm

Transmission range

190-2000 nm

Surface quality

20/10 (scratch/dig)

Flatness (at 632,8 nm)

< lambda/4

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VPCF63EUVQ-L-BBAR1

UHV fused silica viewport, optical, BBAR-coated | 406428

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF63EUVQ-L-VAR1

UHV fused silica viewport, optical, VAR-coated | 408950

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF63EUVQ-L-VAR2

UHV fused silica viewport, optical, VAR-coated | 322162

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF63UVQ-L

UHV fused silica viewport, standard | 313152

Connection type

Nominal diameter

Leak rate

< 0.75E-10 Torr ∙ l/s

Max. operating temperature

392 °F

View diameter

2.677 ″

Window material

Fused silica (UV-grade)

Transmission range

250-2000 nm

Window mounting

Brazed

Connection type

Nominal diameter

Leak rate

< 1E-10 mbar ∙ l/s

Max. operating temperature

200 °C

View diameter

68 mm

Window material

Fused silica (UV-grade)

Transmission range

250-2000 nm

Window mounting

Brazed

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on request

VPCF63UVQ-L-316L

UHV fused silica viewport, standard | 347608

Connection type

Nominal diameter

Leak rate

< 0.75E-10 Torr ∙ l/s

Max. operating temperature

392 °F

View diameter

2.677 ″

Window material

Fused silica (UV-grade)

Transmission range

250-2000 nm

Window mounting

Brazed

Connection type

Nominal diameter

Leak rate

< 1E-10 mbar ∙ l/s

Max. operating temperature

200 °C

View diameter

68 mm

Window material

Fused silica (UV-grade)

Transmission range

250-2000 nm

Window mounting

Brazed

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available

VPCF63UVQ-L-NM

UHV fused silica viewport, non-magnetic | 347642

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (UV-grade)

View diameter

2.677 ″

Transmission range

250-2000 nm

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (UV-grade)

View diameter

68 mm

Transmission range

250-2000 nm

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on request

VPCF63UVS-L

UHV extended range viewport, optical, UV/IR | 406862

Connection type

Nominal diameter

Window material

Sapphire (UV-grade)

Max. operating temperature

842 °F

View diameter

1.929 ″

Transmission range

250-5000 nm

Surface quality

50 scratch/dig

Flatness (at 632,8 nm)

< 8 lambda

Connection type

Nominal diameter

Window material

Sapphire (UV-grade)

Max. operating temperature

450 °C

View diameter

49 mm

Transmission range

250-5000 nm

Surface quality

50/20 (scratch/dig)

Flatness (at 632,8 nm)

< 8 lambda

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available

Viewports

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