BK7 Laser Windows

Material: BK7 Surfaces Quality: lambda/10 (reflected and transmitted beam), S/D 10-5 Diameter Tolerance: +0/-0.2mm Thickness Tolerance: +/- 0.5 mm Clear Aperture: >90% of diameter Parallelism: < 3 arc min Bevel: 0.25x45° Coating: on request

Part-No. Diameter [mm] Thickness [mm] Price € W10B 10 6 33 .-- W12.5B 12.5 6 34 .-- W15B 15 6 35 .-- W20B 20 6 37 .-- W25B 25 6 38 .-- W30B 30 6 55 .-- W35B 35 10 70 .-- W1.5"B 1.5" 10 76 .-- W40B 40 10 76 .-- W50B 50 10 94 .-- W60B 60 15 137 .-- W3"B 3" 20 212 .-- W80B 80 20 212 .-- W100B 100 20 280 .-- W4"B 4" 20 280 .--