k9 bk7 biconcave lens Beam expanding concave lens
PRODUCT CATEGORIES
Technical parameters
| Items | Parameters |
|---|---|
| Material | K9/n-bk7 |
| Diameter | 3-500mm |
| Thickness | customizable |
| Diameter tolerance | +-0.01-0.1mm |
| Surface accuracy | 60/40 40/20 20/10 10/5 |
| Surface quality | 10/λ 8/λ 4/λ |
| Coating | Multilayer antireflective film 350-700nm/ 400-700nm/ 650-1100nm/ 1000-1065nm/ 1050-1700nm |
Note:
The above parameters are for reference only. For detailed biconcave lens parameters, please consult our online customer service personnel or call our company.
spectral curve
In addition, We can customize the optical biconcave lens according to customer requirements or drawings.
For details, please consult:
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