Telephone: +44 (0) 1268 728077
Stock Specification
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 |
λ/2 @ 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 |