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1 mm N-BK7 Optical Window, AR Coated
N-BK7 window glass for laser cutting with 99.5% transmittance, AR coated, and customizable sizes.
Core attributes
- Material
- N-BK7
- Diameter range
- 1–360 mm
- Coating
- ar
Product facts
Key attributes
- Material
- N-BK7
- Diameter range
- 1–360 mm
- Coating
- ar
Product description
This N-BK7 window glass is designed for laser-cutting applications, operating effectively within the 0.7-1.7 μm wavelength range. With a high transmittance of 99.5% at 1064 nm and AR coatings on both sides, it minimizes laser energy loss, making it ideal for high-power continuous cutting. The product ensures compatibility with popular fiber laser cutting machines such as Raytools and Precitec, providing a reliable solution for precision cutting tasks.
Key Features
- High transmittance of 99.5% at 1064 nm for efficient laser performance.
- AR coating on both sides reduces energy loss during laser applications.
- Standard size D34x3mm with strict tolerances of ±0.05mm for precise fitting.
- Compatible with major fiber laser cutting machines for versatile use.
- Custom diameters and coatings available to meet specific application needs.
Applications
Laser Cutting
Specification Summary
| Item | Value |
|---|---|
| Material | N-BK7 |
| Diameter | 1 mm |
| Thickness | Custom |
| Surface Quality | 60/40 |
| Coating | anti-reflective (AR) |
| Transmission bands | NIR (0.7-1.7 μm) |
| MOQ | — |
Full Specifications
| Parameter | Value |
|---|---|
| Type | window glass |
| Customized Support | OEM, ODM, OBM |
| Warranty | 3 Years |
| Weight | 10g |
| Color | transparent/customize |
| Certificate | CE/ISO9001 |
FAQ
Can I get custom sizes?
Yes, custom diameters and coatings are available for specific applications.
What are the tolerances for this window?
The standard size has strict tolerances of ±0.05mm.
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