品牌
其他厂商性质
北京市所在地
北京波威科技有限公司代理的美国CVI厂家提供的BTQ可见及近红外标准平板分束镜。
产品技术参数描述：
| Specifications | |
| Angle of Incidence | 45° |
| Clear Aperture | 90% of dimension A |
| Coating | 1st surface: All-dielectric partial reflection coating for 45°, surface marked with a dot |
| Dimensions | Square: A±0.2 mm |
| Material | Optical crown glass |
| Parallelism | 5 arc minutes |
| R/T Tolerance at 45° | ±5% (50 nm from center wavelength range) |
| Surface Quality | 60-40 scratch and dig, beveled edges |
| Thickness | 1.0±0.2 mm |
| Transmitted Wavefront Error | ≤2λ per 25 mm over clear aperture at 632.8 nm |
选型表：
| Part Number | Former MG | Clear Aperture | A | Nominal R/T Ratio | Shape | Wavelength Range |
| BTF-VIS-30-2501M-C | 03 BTF 153 | 15.9 × 22.5 | 25.0 | 30/70 | Round | Visible |
| BTF-VIS-50-2501M-C | 03 BTF 154 | 15.9 × 22.5 | 25.0 | 50/50 | Round | Visible |
| BTF-VIS-70-2501M-C | 03 BTF 155 | 15.9 × 22.5 | 25.0 | 70/30 | Round | Visible |
| BTF-NIR-30-2501M-C | 03 BTF 157 | 15.9 × 22.5 | 25.0 | 30/70 | Round | Near IR |
| BTF-NIR-50-2501M-C | 03 BTF 158 | 15.9 × 22.5 | 25.0 | 50/50 | Round | Near IR |
| BTF-NIR-70-2501M-C | 03 BTF 159 | 15.9 × 22.5 | 25.0 | 70/30 | Round | Near IR |
| BTF-VIS-30-SQW-5001M-C | 03 BTF 101 | 31.8 × 45.0 | 50.0 | 30/70 | Square | Visible |
| BTF-VIS-50-SQW-5001M-C | 03 BTF 107 | 31.8 × 45.0 | 50.0 | 50/50 | Square | Visible |
| BTF-VIS-70-SQW-5001M-C | 03 BTF 111 | 31.8 × 45.0 | 50.0 | 70/30 | Square | Visible |
| BTF-NIR-30-SQW-5001M-C | 03 BTF 113 | 31.8 × 45.0 | 50.0 | 30/70 | Square | Near IR |
| BTF-NIR-50-SQW-5001M-C | 03 BTF 115 | 31.8 × 45.0 | 50.0 | 50/50 | Square | Near IR |
| BTF-NIR-70-SQW-5001M-C | 03 BTF 117 | 31.8 × 45.0 | 50.0 | 70/30 | Square | Near IR |
