FUSED SILICA WINDOWS - PRECISION Specification   Option A Option B MATERIAL: UV FUSED SILICA SPECTROSIL 2000 ® UV FUSED SILICA SPECTROSIL 2000 ® DIAMETER: +0.00/-0.10mm +0.00/-0.10mm THICKNESS: +/- 0.10mm +/- 0.10mm EDGES: Fine Ground Fine Ground SURFACE QUALITY: ≤ 40/20 ≤ 40/20 FLATNESS: LAMBDA 4 Both Sides LAMBDA 10 Both Sides PARALLELISM: ≤ 30 Arc Sec ≤ 30 Arc Sec Data Sheet: Custom:

Part No. Description Diameter (mm) Thickness (mm) Unit Price (1-9) Qty (1-9) Qty (10+) WFP-1010 Precision UV Window (option B) Ø 10 3 £65.00 1 2 3 4 5 6 7 8 9       WFP-1034 Precision UV Window (option A) Ø 10 3 £30.00 1 2 3 4 5 6 7 8 9       WFP-1510 Precision UV Window (option B) Ø 15 3 £70.00 1 2 3 4 5 6 7 8 9       WFP-1534 Precision UV Window (option A) Ø 15 3 £35.00 1 2 3 4 5 6 7 8 9       WFP-2561 Precision UV Window (option B) Ø 25 6 £85.00 1 2 3 4 5 6 7 8 9       WFP-2564 Precision UV Window (option A) Ø 25 6 £40.00 1 2 3 4 5 6 7 8 9