BK7 Laser Windows
 

lens optik25 bea
Material:    BK7
Surfaces Quality:    λ/10 (reflected and transmitted beam),
  S/D 10-5
Diameter Tolerance:    +0/-0.2mm
Thickness Tolerance:    +/- 0.2 mm
Clear Aperture:    >90% of diameter
Parallelism:    < 3 arc min
Bevel:    0.25x45°
Coating:    on request


Other dimensions and surface qualities on request

   Part-No.    Diameter   Thickness    Price €  
W0.5"B 0.5" 6 mm 28 ,--
W1"B 1" 6 mm 41 ,--
W1.5"B 1.5" 10 mm 82 ,--
W2"B 2" 12 mm 103 ,--
W3"B 3" 20 mm 232 ,--
W4"B 4" 20 mm 306 ,--