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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.
| 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 |
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
| Part No. | Description | Dimensions | Thickness | Unit Price | Quantity | |||
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| wbk-005-002_3 | bk7 window | 5.0 diameter | 2 | £10.50 |
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| wbk-010-002 | bk7 window | 10.0 diameter | 2 | £10.50 |
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| wbk-012-002 | bk7 window | 12.5 diameter | 2 | £10.50 |
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| wbk-020-002 | bk7 window | 20.0 diameter | 2 | £10.50 |
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| wbk-025-002 | bk7 window | 25.0 diameter | 2 | £10.50 |
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| wbk-038-004 | bk7 window | 38.0 diameter | 4 | £13.50 |
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| wbk-050-004 | bk7 window | 50.0 diameter | 4 | £23.50 |
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| wbk-025-002-ar | bk7 window AR Coated VIS | 25.0 diameter | 2 | £19.45 |
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| wbk-025-001 | bk7 window | 25.4 diameter | 1.5 | £10.50 |
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| wbk-029-004 | bk7 window | 29.0 diameter | 4.5 | £13.00 |
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| wbk-024-002 | bk7 window | 24.0 diameter | 2 | £10.50 |
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| wbk-050-005 | bk7 window | 50.0 diameter | 5 | £23.50 |
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| WBK-017-001-AR | BK7 Window AR COATED VIS | 17.0 Diameter | 1 | £18.75 |
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| WBK-020-004 | BK7 WINDOW | 20.0 diameter | 4 | £10.50 |
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| WBS-050-002 | BOROSILICATE | 50.0 diameter | 2 | £32.35 |
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