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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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VPCF40B-K-1ALU

AluVaC® Optics, UHV, non-magnetic | 350952

Connection type

Nominal diameter

Flange material

Aluminum

Max. operating temperature

248 °F

Window material

Borosilicate

View diameter

1.417 ″

Window mounting

UHV-suitably bonded

Leak rate

< 0.75E-10 Torr ∙ l/s

Connection type

Nominal diameter

Flange material

Aluminum

Max. operating temperature

120 °C

Window material

Borosilicate

View diameter

36 mm

Window mounting

UHV-suitably bonded

Leak rate

< 1E-10 mbar ∙ l/s

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available

VPCF40B-L

UHV borosilicate viewport, standard | 303142

Connection type

Nominal diameter

Leak rate

< 0.75E-10 Torr ∙ l/s

Max. operating temperature

662 °F

View diameter

1.496 ″

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

38 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

Thermally fused

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available

VPCF40B-L-ITO

UHV borosilicate viewport, ITO-coated | 408320

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

1.26 ″

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

32 mm

Coating type

ITO

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available

VPCF40CAF2-K

UHV extended range viewport, optical, UV/IR | 303148

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF40CAF2-K-NM

UHV extended range viewport, optical, UV/IR, non-magnetic | 303149

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF40CAF2-L

UHV extended range viewport, optical, UV/IR | 313158

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF40CAF2-L-316L

UHV extended range viewport, optical, UV/IR | 348793

Connection type

Nominal diameter

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

Nominal diameter

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

VPCF40CAF2-L-NM

UHV extended range viewport, optical, UV/IR, non-magnetic | 331682

Connection type

Nominal diameter

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

Nominal diameter

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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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 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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available

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

VPKF50B-E

Borosilicate KF Viewport for wall installation, Standard | 318382

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.969 ″

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

50 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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available

VPKF50B-E-Z

Borosilicate KF Viewport for flange installation, Standard | 302261

Connection type

Nominal diameter

Leak rate

< 0.75E-9 Torr ∙ l/s

Max. operating temperature

302 °F

View diameter

1.969 ″

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

50 mm

Window material

Borosilicate

Transmission range

400-2500 nm

Window mounting

FKM O-Ring

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in production

VPKF50B-L

Borosilicate KF Viewport, Standard | 302259

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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available

VPKF50B-WINDOW

Replacement window for standard KF-viewport, DN50 | 379048

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

2.126 ″

Window thickness

0.157 ″

Connection type

Nominal diameter

Window material

Borosilicate

Transmission range

400-2500 nm

Outer Diamter

54 mm

Window thickness

4 mm

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available

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