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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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VPCF40EUVQ-L-BBAR1-316L

UHV fused silica viewport, optical, BBAR-coated | 358533

Connection type

Nominal diameter

Window material

Fused silica (EUV laser-grade)

Coated diameter

> 27 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

> 27 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

VPCF40EUVQ-L-VAR1

UHV fused silica viewport, optical, VAR-coated | 322160

Connection type

Nominal diameter

Window material

Fused silica (EUV laser-grade)

Coated diameter

> 27 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

> 27 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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available

VPCF40EUVQ-L-VAR2

UHV fused silica viewport, optical, VAR-coated | 409652

Connection type

Nominal diameter

Window material

Fused silica (EUV laser-grade)

Coated diameter

> 27 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

> 27 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

VPCF40QZCUT-L

UHV extended range viewport, optical, UV/IR | 406461

Connection type

Nominal diameter

Window material

Crystal quartz, z-cut

Window mounting

Metal seal

View diameter

0.886 ″

Transmission range

150-3500+50-1000 nm

Surface quality

40 scratch/dig

Flatness (at 632,8 nm)

< 1 lambda

Connection type

Nominal diameter

Window material

Crystal quartz, z-cut

Window mounting

Metal seal

View diameter

22,5 mm

Transmission range

150-3500+50-1000 nm

Surface quality

40/20 (scratch/dig)

Flatness (at 632,8 nm)

< 1 lambda

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on request

VPCF40QZCUT-L-316L

UHV extended range viewport, optical, UV/IR | 348794

Connection type

Nominal diameter

Window material

Crystal quartz, z-cut

Window mounting

Metal seal

View diameter

0.886 ″

Transmission range

150-3500+50-1000 nm

Surface quality

40 scratch/dig

Flatness (at 632,8 nm)

< 1 lambda

Connection type

Nominal diameter

Window material

Crystal quartz, z-cut

Window mounting

Metal seal

View diameter

22,5 mm

Transmission range

150-3500+50-1000 nm

Surface quality

40/20 (scratch/dig)

Flatness (at 632,8 nm)

< 1 lambda

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available

VPCF40UVQ-L

UHV fused silica viewport, standard | 406130

Connection type

Nominal diameter

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

Nominal diameter

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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available

VPCF40UVQ-L-316L

UHV fused silica viewport, standard | 347607

Connection type

Nominal diameter

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

Nominal diameter

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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available

VPCF40UVQ-L-NM

UHV fused silica viewport, non-magnetic | 347641

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (UV-grade)

View diameter

1.378 ″

Transmission range

250-2000 nm

Connection type

Nominal diameter

Flange material

Stainless steel 316LN-ESR

Window material

Fused silica (UV-grade)

View diameter

35 mm

Transmission range

250-2000 nm

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available

VPCF40UVS-L

UHV extended range viewport, optical, UV/IR | 406726

Connection type

Nominal diameter

Window material

Sapphire (UV-grade)

Max. operating temperature

842 °F

View diameter

0.925 ″

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

23,5 mm

Transmission range

250-5000 nm

Surface quality

50/20 (scratch/dig)

Flatness (at 632,8 nm)

< 8 lambda

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available

VPCF40ZNSE-L

UHV extended range viewport, optical, IR | 313156

Connection type

Nominal diameter

Window material

Zinc selenide

View diameter

0.886 ″

Coating type

Uncoated

Transmission range

600-15000 nm

Surface quality

40 scratch/dig

Flatness (at 632,8 nm)

< 1 lambda

Connection type

Nominal diameter

Window material

Zinc selenide

View diameter

22,5 mm

Coating type

Uncoated

Transmission range

600-15000 nm

Surface quality

40/20 (scratch/dig)

Flatness (at 632,8 nm)

< 1 lambda

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VPCF40ZNSE-L-BBAR4

UHV extended range viewport, optical, IR | 408527

Connection type

Nominal diameter

View diameter

0.886 ″

Max. operating temperature

392 °F

Window material

Zinc selenide

Coating type

Broadband BBAR

Coating wavelength(s)

8000-12000 nm

Flatness (at 632,8 nm)

< 1 lambda

Connection type

Nominal diameter

View diameter

22,5 mm

Max. operating temperature

200 °C

Window material

Zinc selenide

Coating type

Broadband BBAR

Coating wavelength(s)

8000-12000 nm

Flatness (at 632,8 nm)

< 1 lambda

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on request

VPCF40ZNSE-L-NM

UHV extended range viewport, optical, UV/IR, non-magnetic | 344448

Connection type

Nominal diameter

Window material

Zinc selenide

Window mounting

Metal seal

View diameter

0.886 ″

Transmission range

600-15000 nm

Surface quality

40 scratch/dig

Flatness (at 632,8 nm)

< 1 lambda

Connection type

Nominal diameter

Window material

Zinc selenide

Window mounting

Metal seal

View diameter

22,5 mm

Transmission range

600-15000 nm

Surface quality

40/20 (scratch/dig)

Flatness (at 632,8 nm)

< 1 lambda

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on request

VPKF40B-E

Borosilicate KF Viewport for wall installation, Standard | 321088

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

VPKF40B-E-Z

Borosilicate KF Viewport for flange installation, Standard | 349725

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.575 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

40 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

VPKF40B-L

Borosilicate KF/ISO Viewport, Standard | 302253

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.26 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

View diameter

32 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

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in production

VPKF40B-L-ITO-VD32

Borosilicate KF/ISO Viewport, ITO-coated | 409496

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

1.26 ″

Coating type

ITO

Connection type

Nominal diameter

Leak rate

< 1E-9 mbar ∙ l/s

Max. operating temperature

150 °C

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

32 mm

Coating type

ITO

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available

VPKF40B-WINDOW

Replacement window for standard KF-viewport, DN40 | 380660

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

1.732 ″

Window thickness

0.157 ″

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

44 mm

Window thickness

4 mm

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available

VPKF40Q-E

Fused Silica KF Viewport for wall installation, Standard | 321867

Connection type

Nominal diameter

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

Nominal diameter

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

VPKF40Q-E-Z

Fused Silica KF Viewport for flange installation, Standard | 349733

Connection type

Nominal diameter

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

Nominal diameter

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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