Brewster  Window

Brewster Window


Windows for installation at the Brewster angle.
Reflects a polarized light whose electric field vector oscillates orthogonally to the plane of incidence, and transmits a polarized light whose electric field vector oscillates in parallel with the plane of incidence with a minimum reflection loss.
 

Capability

Common Specification
Material BK7/Fused Silica, etc.
Dimension tolerance ± 0.10 mm
Diameter tolerance +0/-0.1mm
Thickness tolerance ± 0.10 mm
Clear Aperture >85%
Angle tolerance  <30 arc seconds
Parallelism <1 arc minute
Surface quality  S/D 20-10
Surface Flatness  lambda/10 per each Dia.25.4mm area
Bevel 0.2mmx45°
Coating According to the requirement
Part Number Material Major Axis (mm) Minor Axis (mm) Thickness (mm)
BRW-JGS1-26.53-15.0-2.0T Fused Silica 26.53 15.0 2.0
BRW-JGS1-35.37-20.0-2.0T Fused Silica 35.37 20.0 2.0
BRW-JGS1-44.21-25.0-2.0T Fused Silica 44.21 25.0 2.0