1 / 6Optical Windows
18x0.3 mm N-BK7 Round Optical Window, AR Coated
High-quality optical window with 85% transmittance, customizable sizes, and surface quality for laser cutting applications.
Core attributes
- Material
- N-BK7
- Shape
- round
- Diameter range
- 18–29.7 mm
- Thickness
- 0.3–5 mm
- Coating
- ar
Product facts
Key attributes
- Material
- N-BK7
- Shape
- round
- Diameter range
- 18–29.7 mm
- Thickness
- 0.3–5 mm
- Coating
- ar
Product description
This optical window is designed to provide high transmittance and surface quality for applications such as laser cutting. With a transmittance of 85% across multiple bands, including 0.7-1.7 μm and 1.7-3 μm, it effectively separates environments while protecting internal devices. The window is available in various diameters and thicknesses, ensuring compatibility with diverse optical systems.
Key Features
- Transmittance of 85% ensures minimal loss of light for efficient operation.
- Available diameters of 18.0 mm and 29.7 mm provide options for different applications.
- Thickness ranges from 0.3 mm to 5.0 mm for flexibility in design.
- Surface quality rated at 40/20 supports high-performance optical applications.
- Customizable sizes and OEM/ODM support for tailored solutions.
Available Sizes
| Diameter x Thickness (mm) |
|---|
| 23.9 x 2.6 |
Applications
Laser Cutting
Specification Summary
| Item | Value |
|---|---|
| Material | N-BK7 |
| Shape | Round |
| Diameter | 18 mm |
| Thickness | 0.3 mm |
| Surface Quality | 40/20 |
| Transmittance | 85% |
| Coating | anti-reflective (AR) |
| Transmission bands | SWIR (1.7-3 μm), NIR (0.7-1.7 μm), VIS (400-700 nm), UV (<400 nm) |
| MOQ | — |
Full Specifications
| Parameter | Value |
|---|---|
| Transmittance | 85%; >99% |
| Customized Support | OEM, ODM, OBM |
| Warranty | 3 Years |
| Wavelength | 1064nm |
| Substrate | Quartz Fused Silica |
| Tolerance | ± 0.10mm |
| Certification | ISO9001,RoHs,EPR |
FAQ
What are the available custom sizes?
Custom sizes include a variant size of 23.9 mm diameter and 2.6 mm thickness.
What are the tolerances for this optical window?
The tolerance for the optical window is ± 0.10 mm.
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