BK7 Windows
Our stock N-BK7 windows are ideally suited for medical, scientific and industrial applications and are available with a MgF2 anti-reflection coating or uncoated.N-BK7 windows are often used as a protective front element.
Whilst we list below a range of stock BK7 windows we are also able to manufacture sizes to suit your application.
Antireflection AR coated BK7 windows are available on request
MATERIAL
N-BK7 GRADE A OPTICAL GLASS
DIAMETER
+0.0 / - 0.1mm
FLATNESS
@ 632.8nm
THICKNESS
± 0.2mm
SURFACE QUALITY
40/20
PARALLELISM
< 1 ARC MINUTE
BEVEL
0.2 x 45°
COATING
ON REQUEST
CUSTOM SIZES
DIAMETERS
2mm TO 300mm
SQUARE / RECTANGLE
1mm TO 500mm
THICKNESS
0.1 TO 50.0mm AVAILABLE ON REQUEST
Visit the Galvoptics Ltd website for more information on BK7 Windows