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                • Square Windows

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                Specifications:

                Material BK7 or UV fused silica
                Diameter Tolerance +0/-0.15mm
                Thickness Tolerance ±0.25mm
                Clear Aperture >Central 85% of diameter
                Parallelism <5″
                Surface Quality 20/10
                Transmitted Wavefront

                λ/10 @632.8nm

                Chamfers

                 

                12.7 & 25.4mm:0.25-0.75mm face  width x 45°±15°  

                50.8mm:0.38-1.14 mm face  width x 45°±15°

                 

                 

                 ?   Most sizes λ /20 transmitted wavefront, 10-5 surface quality are available;

                 ?   All kinds of coatings are available;

                 ?   Custom designs for other sizes and coatings are also available upon request.

                 

                Order Information:

                 

                WINS ---- 127 ---- 060 ---- BK7 
                     
                Product Code   Length=12.7mm   Thickness=6.0mm   Material

                 

                Square   Windows:

                 

                Part number Length L(mm) Thickness T(mm) Material Surface Quality Transmitted Wavefront
                WINS-127-031-BK7 12.7 3.175 BK7 20/10 λ/10
                WINS-254-063-BK7 25.4 6.35 BK7 20/10 λ/10
                WINS-127-063-UVFS 12.7 6.35 UVFS 20/10 λ/10
                WINS-254-063-UVFS 25.4 6.35 UVFS 20/10 λ/10
                WINS-508-063-UVFS 50.8 6.35 UVFS 20/10 λ/10

                 

                Note:Other sizes and surface quality are upon customs's  request.

                 

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