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    CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance

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Brewster Windows

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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:

    China
  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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features

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:

Material:

 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:

 >85%

Flatness:

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

Parallelism:

 1' (Standard),  10" (High Precision)

Bevel:

 <0.25mm X 45°

Coating:

 Upon requirement

Brewster WindowsElliptical shape windows


Typtical Size

Round Shape

 Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0;

Diameter(mm):

 Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2

Square Shape:

 5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 ;

WxH(mm)

 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? 
Example:
Material:N-BK7 
Diameter:Φ25.4+0.0/-0.1mm 
Thickness:1.0±0.1mm 
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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