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Brewster Windows


High Precision Optical Brewster Windows

Great for Use in Laser Cavities

Circular Profile When Oriented at 55.57°

Uncoated UV Fused Silica Brewster Windows

  • product orgin:

  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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High Precision Optical Brewster Windows

Brewster Windows are uncoated substrates which designed to present a circular profile when oriented at Brewster’s angle (55.57°). Brewster windows are manufactured from UV fused silica, which exhibits virtually no laser-induced fluorescence. These windows minimize the loss of P-polarized light, ideal for use within laser cavities and for producing linearly polarized light.

Great for Use in Laser Cavities
Circular Profile When Oriented at 55.57°
Uncoated UV Fused Silica Brewster Windows

Brewster Windows Specification:


 UV grade Fused Silica

Dimension Tolerance:

 +0.0, -0.1mm

Thickness Tolerance:

 ± 0.1mm

Surface quality:

 60/40(Standard), 10/5(High Precision)

Clear Aperture:



 λ(Standard), λ/10(High Precision) per 25mm@633nm


 1' (Standard),  10" (High Precision)


 <0.25mm X 45°


 Upon requirement

Brewster WindowsElliptical shape windows

Typtical Size

Round Shape

 Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0;


 Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2

Square Shape:

 5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 ;


 20.0x20.0; 25.0x25.0; 50.0x50.0

Thickness Tolerance:

 0.5; 1.0; 1.5; 2.0; 3.0;


 4.0; 5.0; 6.0; 8.0; 10.0

How to order Windows? 
Surface quality: 60-40 S/D 
Flatness: λ/2 per 25mm @633nm 
Paralelism: <1 arc minute
Coating:Both side AR,R<0.25% @1064nm, AOI=0°

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