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Fused Silica Viewports/Windows Custom-Designed for Your Application

MPF manufactures Sapphire and Fused Silica viewports using proprietary vacuum brazing and welding techniques. Fused Silica viewport designs are available with diameters up to 8 inches and include zero length designs for low profile applications. These are all bakeable to 200˚C. Several standard grades of Fused Silica windows are offered Several standard grades of Fused Silica windows are offered having excellent transmission from 193m to 2 microns.

EUV Fused Silica Specifications

Leak Rate: <2x10(-10) atm cc/sec He
Parallelism: <10 Arc Seconds
Flange Material:  304/316 Stn. Stl.
Flatness:  l /4@ 632 nm Transmitted Wavefront
Surface Finish:
20/10 
Thermal Range: 
-100°C to 200°C
Material: 
Corning ARF 193 Fused Silica
Transmission: 
>99.5% @ 193nm (internal)
Homogeneity Grade: 
A
Inclusion Class:
0
Operating Conditions
The thermal ratings specified are safe operating limits determined by various factors including material properties, mechanical design, and the intended operating environment. Temperature ratings for various mounting options may reduce the operating range of a window assembly. All assemblies have a maximum thermal gradient of 25ºC per minute and may be damaged if this limit is exceeded.

DUV Fused Silica Specifications

Leak Rate: <2x10(-10) atm cc/sec He
Parallelism: <10 Arc Seconds
Flange Material:  304/316 Stn. Stl.
Flatness:  l /4@ 632 nm Transmitted Wavefront
Surface Finish:
20/10 
Thermal Range: 
-100°C to 200°C
Material: 
Corning HPFS 7980 Fused Silica
Transmission: 
>99.8% @ 248nm (internal)
Homogeneity Grade: 
A
Inclusion Class:
0
Operating Conditions
The thermal ratings specified are safe operating limits determined by various factors including material properties, mechanical design, and the intended operating environment. Temperature ratings for various mounting options may reduce the operating range of a window assembly. All assemblies have a maximum thermal gradient of 25ºC per minute and may be damaged if this limit is exceeded.





Fused Silica Viewports

VIEWPORT, FUSED SILICA, DUV, 0.6 VIEW, 133CF
VIEWPORT, FUSED SILICA, DUV, 0.6 VIEW, 133CF
DUV Grade (Laser) Fused Silica Viewport, Zero Length Profile, 0.63" View Dia, 1.33" Conflat Flange
A1671-2-CF
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$321.00
49577
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VIEWPORT, FUSED SILICA, DUV, 0.6 VIEW, QF25
VIEWPORT, FUSED SILICA, DUV, 0.6 VIEW, QF25
DUV Grade (Laser) Fused Silica Viewport, 0.63" View Dia, 1.57" Quick Flange
A4563-2-QF
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$373.00
49579
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, 275CF
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, 275CF
DUV Grade (Laser) Fused Silica Viewport, Zero Length Profile, 1.40" View Dia, 2.75" Conflat Flange
A0650-1-CF
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$368.00
49568
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, 338CF
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, 338CF
DUV Grade (Laser) Fused Silica Viewport, Zero Length Profile, 1.40" View Dia, 3.37" Conflat Flange
A0650-2-CF
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$420.00
49569
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, QF40
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, QF40
DUV Grade (Laser) Fused Silica Viewport, 1.40" View Dia, 2.16" Quick Flange
A2206-2-QF
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$373.00
49578
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, QF50
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, QF50
DUV Grade (Laser) Fused Silica Viewport, 1.40" View Dia, 2.95" Quick Flange
A0816-2-QF
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$420.00
49576
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, WELD
VIEWPORT, FUSED SILICA, DUV, 1.4 VIEW, WELD
DUV Grade (Laser) Fused Silica Viewport, 1.37" View Dia, 1.50" Dia Stainless Steel Weld Adapter
A0657-6-W
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$410.00
49574
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 2.4 VIEW, WELD
VIEWPORT, FUSED SILICA, DUV, 2.4 VIEW, WELD
DUV Grade (Laser) Fused Silica Viewport, 2.37" View Dia, 2.50" Dia Stainless Steel Weld Adapter
A0657-7-W
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$1,155.00
49575
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 2.7 VIEW, 450CF
VIEWPORT, FUSED SILICA, DUV, 2.7 VIEW, 450CF
DUV Grade (Laser) Fused Silica Viewport, Zero Length Profile, 2.69" View Dia, 4.50" Conflat Flange
A0650-3-CF
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$998.00
49570
Add To Cart
VIEWPORT, FUSED SILICA, DUV, 2.7 VIEW, 462CF
VIEWPORT, FUSED SILICA, DUV, 2.7 VIEW, 462CF
DUV Grade (Laser) Fused Silica Viewport, Zero Length Profile, 2.69" View Dia, 4.62" Conflat Flange
A0650-4-CF
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$1,077.00
49571
Add To Cart
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