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