BK7 Laser Mirror Substrates

 

lens optik25 bea
Material:    BK7
Surfaces Quality:    Side 1: λ/10 (reflected beam),
  S/D 10-5
  Side 2: λ/4 (reflected beam),
  S/D 40-20
Diameter Tolerance:    +0/- 0.2 mm
Thickness Tolerance:    +/- 0.2 mm
Clear Aperture:    >90 % of diameter
Parallelism:    < 5 arc min
Bevel:    0.25 x 45°
Coating:    on request

 

Other dimensions and surface qualities on request

Part-No. Diameter Thickness Price €
MS0.5"B 0.5" 6 mm 20 ,--
MS1"B 1" 6 mm 34 ,--
MS1.5"B 1.5" 10 mm 61 ,--
MS2"B 2" 12 mm 79 ,--
MS3"B 3" 20 mm 190 ,--
MS4"B 4" 20 mm 238 ,--
MS5"B 5" 25 mm 309 ,--