Plane Windows

 

SPECIFICATIONS

Materials: BK7, UV Fused Silica, Fused Silica, Quartz, CaF2, MgF2, ZnS, ZnSe, Ge, Si, Sapphire (Call for other materials)

Surface Figure: l /4 Optical Grade or l /10 Laser Grade – both surfaces.

Surface Quality: 60-40 Optical Grade or 20-10 Laser Grade – both surfaces.

Diameter Tolerance: +0 / -0.010″

Thickness Tolerance: +/- 0.010″

Wedge Tolerance: < 3 arc min. standard (up to < 5 arc secs. when specified).

Bevels: .010″ – .030″ @ 45° standard.

Clear Aperture: Central 90% of diameter.

Coatings: Anti-Reflective Coatings available upon request.

 

Standard Substrate Sizes:

Diameter Thickness  

Materials

 

Diameter

 

Thickness

 

Materials

0.375″ 0.080″ ZnS, ZnSe, Ge, Si 25.40 mm 6.35 mm BK7, UV Fused Silica, Fused Silica
0.375″ 0.120″ CaF2, Sapphire 1.000″ 0.080″ Sapphire
10.00 mm 2.00 mm Sapphire 1.000″ 0.120″ ZnS, ZnSe, Ge, Si, Sapphire, CaF2
10.00 mm 3.00 mm CaF2, MgF2 30.00 mm 3.00 mm Sapphire
10.00 mm 6.00 mm BK7, UV Fused Silica, Fused Silica 30.00 mm 4.00 mm CaF2, MgF2
0.500″ 0.080″ ZnS, ZnSe, Ge, Si, Sapphire, CaF2 30.00 mm 8.00 mm BK7, UV Fused Silica, Fused Silica
12.70 mm 2.00 mm Sapphire 38.10 mm 3.00 mm Sapphire
12.70 mm 3.00 mm CaF2, MgF2 38.10 mm 6.00 mm CaF2, MgF2
12.70 mm 6.35 mm BK7, UV Fused Silica, Fused Silica 38.10 mm 9.53 mm BK7, UV Fused Silica, Fused Silica
15.00 mm 2.00 mm Sapphire 1.500″ 0.160″ ZnS, ZnSe, Ge, Si, Sapphire, CaF2
15.00 mm 3.00 mm CaF2, MgF2 50.00 mm 4.00 mm Sapphire
15.00 mm 6.00 mm BK7, UV Fused Silica, Fused Silica 50.00 mm 6.00 mm CaF2, MgF2
0.750″ 0.080″ ZnS, ZnSe, Ge, Si, Sapphire, CaF2 50.00 mm 10.00 mm BK7, UV Fused Silica, Fused Silica
19.05 mm 2.00 mm Sapphire 50.80 mm 4.00 mm Sapphire
19.05 mm 3.00 mm CaF2, MgF2 50.80 mm 6.00 mm CaF2, MgF2
19.05 mm 6.35 mm BK7, UV Fused Silica, Fused Silica 50.80 mm 9.53 mm BK7, UV Fused Silica, Fused Silica
20.00 mm 2.00 mm Sapphire 2.00″ 0.200″ ZnS, ZnSe, Ge, Si, Sapphire, CaF2
20.00 mm 3.00 mm CaF2, MgF2 75.00 mm 13.00 mm BK7, UV Fused Silica, Fused Silica
20.00 mm 6.00 mm BK7, UV Fused Silica, Fused Silica 2.500″ 0.250″ ZnS, ZnSe, Ge, Si
25.40 mm 2.00 mm Sapphire 76.20 mm 12.70 mm BK7, UV Fused Silica, Fused Silica
25.40 mm 4.00 mm CaF2, MgF2 3.00″ 0.300″ ZnS, ZnSe, Ge, Si