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Optical Windows

  • Product Name: Rectangular windows
  • Material: BK7 grade A optical glass, UV grade fused silica or CaF7 MgF7 Sapphire
  • Parallelism:See the table
  • Diameter Tolerance:+0.0/-0.2 mm
  • Surface Quality:20-10~80-50
  • Thickness Tolerance:±0.2mm
  • Wavefront Distortion:λ/10-2λper 25mm
  • Clear Aperture:>80%
  • Bevel:<0.25(+0.25/-0.00) mm×45°

Product overview



No. a(mm) b(mm) T(mm) Material Parallelism
SBKW 050402 5.0 4.0 2.0 BK7 l
SBKW101000 10.0 10.0 0.2 BK7 1'
SSFW 111102 11.43 11.43 2.3 SFll 3'
SBKW121201 12.7 12.7 3.0 BK7 1'
SBKW151502 15.0 15.0 2.0 JGSl l'
SBKW182406 18.0 24.0 6.6 BK7 10"
SBKW201502 20.0 15.0 2.5 BK7 30"
SBKW202000 20.0 20.0 0.4 BK7 10"
SBKW201602 20.57 16.74 2.54 JGSl l'
SBKW252503 25.0 25.0 3.0 BK7 l
SBKW252506 25.0 25.0 6.7 BaK7 3'
SBKW252507 25.0 25.0 7.0 BK7 5'
SBKW252501 25.4 25.4 1.0 BK7 l
SBKW252503 25.4 25.4 3.0 BK7 l
SBKW252506 25.4 25.4 6.35 BK7 10
SBKW262601 26.0 26.0 1.0 BK7 5'
SBKW301702 30.0 17.0 2.5 BK7 l
SBKW302002 30.0 20.0 2.5 BK7 l
SBKW392903 39.7 29.7 3.0 F4 l
SBKW412505 41.28 25.4 5.97 JGSl l
SBKW153212 15.0 32.0 12.7 BK7 10"
SBKW502902 50.0 29.0 2.0 BK7 10'
SBKW505002 50.0 50.0 2.0 BK7 l
SBKW505003 50.8 50.8 3.0 BK7 l
SBKW505006 50.8 50.8 6.35 BK7 1'
SBKW602902 60.0 29.0 2.0 BK7 10'
SBKW602902 60.0 29.0 2.0 JGSl 10'
SBKW602902 60.0 29.0 2.0 BK7 10'
SBKW602902 60.0 29.0 2.0 JGSl 10'
SBKW832902 83.0 29.0 2.0 BK7 10'
SBKW832902 83.0 29.0 2.0 JGSl 10'
SBKW1105020 110.00 50.0 20.0 BK7 10"
SBKW835202 83.0 52.0 2.0 JGSl 10'
SBKW1003508 100.0 35.0 8.0 BK7 10"