Brewster Plates

Specifications:

Dimension Tolerance: +0.0 / -0.15mm
Thickness Tolerance: ± 0.2mm
Clear Aperture: 90% Diameter
Parallelism: < 3 arc minutes
Surface Quality: 60-40 scratch and digs
Flatness: λ /4 @ 633nm

 

 

The Standard Size for BK7 Brewster Plate:

Part Number
Diameter
Thickness
BWT1112
12.7mm
4.0mm
BWT1115
15.0mm
5.0mm
BWT1125
25.4mm
6.0mm
BWT1150
50.0mm
12.0mm

 

 

The Standard Size for Fused Silica Brewster Plate:

Part Number
Diameter
Thickness
BWT2112
12.7mm
4.0mm
BWT2115
15.0mm
5.0mm
BWT2125
25.4mm
6.0mm
BWT2150
50.0mm
12.0mm