WINDOWS

Windows And Optical Flats

Standard & Custom Windows

Windows

Plane Windows – Wedge < 3 min.

part code: WI

Substrate: VUV MgF2, CaF2 (VUV), Caf2 (IR), SUPRASIL 1, Sapphire, Silicon, Germanium, Zinc Selenide, or Zinc Sulfide
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Transmitted Wavefront: measure at 633 nm

Wedge: < 3 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Parallel Windows – Wedge < 10 sec.

part code: PW

Substrate: VUV MgF2, CaF2 (VUV), Caf2 (IR), SUPRASIL 1, Sapphire, Silicon, Germanium, Zinc Selenide, or Zinc Sulfide
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Transmitted Wavefront: measure at 633 nm

Wedge: < 10 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Interferometer Flats – Wedge 30 ± 5 min.

part code: IF

Substrate: SUPRASIL 1, UV Fused Silica, or BK7
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Surface Flatness: λ/10 @ 633 nm 

Surface Quality: 10-5 laser quality
Wedge: 30 ± 5 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Large Wedge Windows – 1°, 2°, and 3°

part code: WW

Substrate: UV Fused Silica, or BK7
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Surface Flatness: λ/10 @ 633 nm 

Surface Quality: 10-5 laser quality
Wedge: 30 ± 6 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Square Windows

part code: SW

Substrate: UV Fused Silica, or BK7
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Surface Flatness: measure at 633 nm 

Surface Quality: 10-5 laser quality
Wedge: < 3 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Rectangular Windows

part code: RW

Substrate: UV Fused Silica, or BK7
Diameter Tolerance: +0.0/-0.20 mm
Thickness Tolerance: ±0.25 mm
Surface Flatness: measure at 633 nm 

Surface Quality: 10-5 laser quality
Wedge: < 3 arc min.
Clear Aperture: > 85% of diameter
Edge Bevel: 0.3 mm face width at 45°

Elliptical Windows

part code: EW

Substrate: UV Fused Silica, or BK7
Diameter Tolerance: 
+ 0.0/-0.20 mm
Thickness Tolerance: 
± 0.25 mm
Surface Flatness: 
λ/10 @ 633 nm 

Surface Quality: 10-5 laser quality
Wedge: 
< 3 arc min.
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°

Brewster Windows

part code: BW

Substrate: SUPRASIL 1 or UV Fused Silica
Diameter Tolerance: 
+ 0.0/-0.20 mm
Thickness Tolerance: 
± 0.25 mm
Surface Flatness:
 λ/10 @ 633 nm 

Surface Quality: 10-5 laser quality
Wedge: 
< 3 arc min.
Clear Aperture: 
> 85% of diameter
Edge Bevel: 
0.3 mm face width at 45°

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