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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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ISO63VR-VP

Replacement O-ring for standard ISO-viewports, DN63 | 380672

Connection type

ISO-K, ISO-F

Nominal diameter

Gasket material

FKM

Max. operating temperature

302 °F

Inner diameter

2.913 ″

Width

0.197 ″

Connection type

ISO-K, ISO-F

Nominal diameter

Gasket material

FKM

Max. operating temperature

150 °C

Inner diameter

74 mm

Width

5 mm

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available

LGH-63-316

Radiation protection caps | 302287

Nominal diameter

Connection type

Window material

Lead glass

View diameter

2.598 ″

Window thickness

0.236 ″

Flange material

Stainless steel 316L

Nominal diameter

Connection type

Window material

Lead glass

View diameter

66 mm

Window thickness

6 mm

Flange material

Stainless steel 316L

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available

VPCF63B-L

UHV borosilicate viewport, standard | 303186

Connection type

Nominal diameter

Leak rate

< 0.75E-10 Torr ∙ l/s

Max. operating temperature

662 °F

View diameter

2.48 ″

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

Connection type

Nominal diameter

Leak rate

< 1E-10 mbar ∙ l/s

Max. operating temperature

350 °C

View diameter

63 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

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available

VPCF63B-L-ITO

UHV borosilicate viewport, ITO-coated | 403370

Connection type

Nominal diameter

Leak rate

< 0.75E-10 Torr ∙ l/s

Max. operating temperature

662 °F

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

2.48 ″

Coating type

ITO

Connection type

Nominal diameter

Leak rate

< 1E-10 mbar ∙ l/s

Max. operating temperature

350 °C

Window material

Borosilicate

Transmission range

400-2500 nm

View diameter

63 mm

Coating type

ITO

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available

VPCF63CAF2-K

UHV extended range viewport, optical, UV/IR | 303190

Connection type

Nominal diameter

View diameter

2.48 ″

Max. operating temperature

248 °F

Window material

Calcium fluoride

Transmission range

160-7000 nm

Surface quality

60 scratch/dig

Flatness (at 632,8 nm)

< lambda/4

Connection type

Nominal diameter

View diameter

63 mm

Max. operating temperature

120 °C

Window material

Calcium fluoride

Transmission range

160-7000 nm

Surface quality

60/40 (scratch/dig)

Flatness (at 632,8 nm)

< lambda/4

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available

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

View diameter

1.929 ″

Max. operating temperature

842 °F

Window material

Sapphire (UV-grade)

Transmission range

250-5000 nm

Surface quality

50 scratch/dig

Flatness (at 632,8 nm)

< 8 lambda

Connection type

Nominal diameter

View diameter

49 mm

Max. operating temperature

450 °C

Window material

Sapphire (UV-grade)

Transmission range

250-5000 nm

Surface quality

50/20 (scratch/dig)

Flatness (at 632,8 nm)

< 8 lambda

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available

VPISO63B-WINDOW

Replacement window for standard ISO-viewport, DN63 | 374297

Connection type

ISO-K, ISO-F

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

2.953 ″

Window thickness

0.157 ″

Connection type

ISO-K, ISO-F

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

75 mm

Window thickness

4 mm

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available

VPISOF63B-E

Borosilicate ISO-F Viewport, Standard | 301570

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

Borosilicate

Transmission range

400-2500 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

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

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

VPISOK63B-E

Borosilicate ISO-K Viewport for wall installation, Standard | 306194

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

Borosilicate

Transmission range

400-2500 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

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

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