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BK7 Windows

BK7 Windows

Optical Windows

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 

PART NO. QTY BASKET QUOTE Description Dimensions (MM)Thickness (MM) Unit Price Data
Sheet
wbk-005-002bk7 window5.0 diameter2.0£9.50
wbk-010-002bk7 window10.0 diameter2.0£9.50
wbk-012-002bk7 window12.5 diameter2.0£9.50
wbk-020-002bk7 window20.0 diameter2.0£9.50
wbk-024-002bk7 window24.0 diameter2.0£9.50
wbk-025-001bk7 window25.4 diameter1.5£9.50
wbk-025-002bk7 window25.0 diameter2.0£9.50
wbk-025-002-arbk7 window AR Coated25.0 diameter2.0£13.95
wbk-029-004bk7 window29.0 diameter4.5£10.50
wbk-038-004bk7 window38.0 diameter4.0£11.50
wbk-050-004bk7 window50.0 diameter4.0£19.50
wbk-050-005bk7 window50.0 diameter5.0£19.50