镀膜圆形窗口
N-BK7在光谱的可见光和近红外部分提供优异的透射率。从每种基材材料制造的高精度窗口，用于各种激光和工业应用。
• 根据不同波段需要选择型号
• 镀膜特性：R <0.25％，0度入射
| Specifications | |
| Material | BK7 Grade A, UV Grade Fused Silica |
| Dimension Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Clear Aperture | >90% |
| Parallelism | <30 arc seconds |
| Surface Quality | 60/40 |
| Wavefront Distortion | <λ/8@633nm per 25mm |
| Chamfer | Protected <0.5mmx45deg |
| Coating | R<0.25% per suface, AOI=0deg |
| Damage Threshold | BK7: >5J/cm2, 20ns, 20Hz, @1064nm |
| UVFS: >10J/cm2, 20ns, 20Hz, @1064nm | |
| 产品 | 规格/叙述 | 交货日期 | 单价 | 数量 | 购物车 |