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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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KF40VR-VP
KF40VR-VP
KF40VR-VP
Replacement O-ring for standard KF-viewports, DN40 | 380670
Connection type
KF
Nominal diameter
40
Gasket material
FKM
Max. operating temperature
302 °F
Inner diameter
1.654 ″
Width
0.197 ″
Connection type
KF
Nominal diameter
40
Gasket material
FKM
Max. operating temperature
150 °C
Inner diameter
42 mm
Width
5 mm
$15.00
in production
Details
LGH-40-316
LGH-40-316
LGH-40-316
Radiation protection caps | 306220
Nominal diameter
40
Connection type
CF
Window material
Lead glass
View diameter
1.417 ″
Window thickness
0.236 ″
Flange material
Stainless steel 316L
Nominal diameter
40
Connection type
CF
Window material
Lead glass
View diameter
36 mm
Window thickness
6 mm
Flange material
Stainless steel 316L
$431.00
in production
Details
VPCF40B-K-1ALU
VPCF40B-K-1ALU
VPCF40B-K-1ALU
AluVaC® Optics, UHV, non-magnetic | 350952
Connection type
CF
Nominal diameter
40
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
CF
Nominal diameter
40
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
$341.00
in production
Details
VPCF40B-L
VPCF40B-L
VPCF40B-L
UHV borosilicate viewport, standard | 303142
Connection type
CF
Nominal diameter
40
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
CF
Nominal diameter
40
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
$209.00
in production
Details
VPCF40B-L-ITO
VPCF40B-L-ITO
VPCF40B-L-ITO
UHV borosilicate viewport, ITO-coated | 408320
Connection type
CF
Nominal diameter
40
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
CF
Nominal diameter
40
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
$649.00
in production
Details
VPCF40CAF2-K
VPCF40CAF2-K
VPCF40CAF2-K
UHV extended range viewport, optical, UV/IR | 303148
Connection type
CF
Nominal diameter
40
Window material
Calcium fluoride
Window mounting
UHV-suitably bonded
View diameter
1.26 ″
Transmission range
160-7000 nm
Surface quality
60 scratch/dig
Flatness (at 632,8 nm)
< lambda/4
Connection type
CF
Nominal diameter
40
Window material
Calcium fluoride
Window mounting
UHV-suitably bonded
View diameter
32 mm
Transmission range
160-7000 nm
Surface quality
60/40 (scratch/dig)
Flatness (at 632,8 nm)
< lambda/4
$1,193.00
in production
Details
VPKF40B-E
VPKF40B-E
VPKF40B-E
Borosilicate KF Viewport for wall installation, Standard | 321088
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$107.00
in production
Details
VPKF40B-E-Z
VPKF40B-E-Z
VPKF40B-E-Z
Borosilicate KF Viewport for flange installation, Standard | 349725
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$107.00
in production
Details
VPKF40B-L
VPKF40B-L
VPKF40B-L
Borosilicate KF/ISO Viewport, Standard | 302253
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$199.00
in production
Details
VPKF40B-L-ITO-VD32
VPKF40B-L-ITO-VD32
VPKF40B-L-ITO-VD32
Borosilicate KF/ISO Viewport, ITO-coated | 409496
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$680.00
in production
Details
VPKF40B-WINDOW
VPKF40B-WINDOW
VPKF40B-WINDOW
Replacement window for standard KF-viewport, DN40 | 380660
Connection type
KF
Nominal diameter
40
Window material
Borosilicate
Transmission range
400-2500 nm
Outer Diamter
1.732 ″
Window thickness
0.157 ″
Connection type
KF
Nominal diameter
40
Window material
Borosilicate
Transmission range
400-2500 nm
Outer Diamter
44 mm
Window thickness
4 mm
$94.00
in production
Details
VPKF40Q-E
VPKF40Q-E
VPKF40Q-E
Fused Silica KF Viewport for wall installation, Standard | 321867
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$358.00
in production
Details
VPKF40Q-E-Z
VPKF40Q-E-Z
VPKF40Q-E-Z
Fused Silica KF Viewport for flange installation, Standard | 349733
Connection type
KF
Nominal diameter
40
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
KF
Nominal diameter
40
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
$358.00
in production
Details

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