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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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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

VPISOF63Q-E

Fused Silica KF/ISO Viewport, Standard | 322150

Connection type

ISO-F

Nominal diameter

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

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

VPISOK63Q-E

Fused Silica ISO-K Viewport for wall installation, Standard | 322153

Connection type

ISO-K

Nominal diameter

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

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

VPISOK63Q-E-Z

Fused Silica ISO-K Viewport for flange installation, Standard | 349735

Connection type

ISO-K

Nominal diameter

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

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

Viewports

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