波威代理的spectrogon标准窄带滤波片可以覆盖uv, vis, nir & ir波段。
直径：25.4mm，接受定制
厚度：参见选型表格
阻滞：avg < 0.1 % uv to block high
选型指标
deion: bp-cwl-hw in nanometers (hw 50 % tpeak)
| deion | substrate | thk | cwl | hw | 透过率 | block high |
| nb-3410-068 nm | sapphire | 1 | 30,00 | 10,00 | 60,00 | 30000,00 |
| nb-3465-020 nm | sapphire | 1 | 15,00 | 8,00 | 70,00 | 6500,00 |
| nb-3480-037 nm | quartz | 0.5 | 20,00 | 10,00 | 70,00 | 30000,00 |
| nb-3485-048 nm | sapphire | 0.5 | 20,00 | 10,00 | 70,00 | 30000,00 |
| nb-3500-053 nm | sapphire | 0.5 | 15,00 | 10,00 | 70,00 | 30000,00 |
| nb-3520-036 nm | quartz | 0.5 | 15,00 | 7,00 | 70,00 | 30000,00 |
| nb-3700-110 nm | silicon | 0.5 | 20,00 | 15,00 | 75,00 | 10500,00 |
| nb-3800-040 nm | sapphire | 1 | 50,00 | 10,00 | 60,00 | 15000,00 |
| nb-3950-040 nm | sapphire | 1 | 20,00 | 10,00 | 60,00 | 30000,00 |
| nb-3960-040 nm | sapphire | 1 | 20,00 | 10,00 | 60,00 | 30000,00 |
| nb-3970-040 nm | sapphire | 1 | 20,00 | 10,00 | 60,00 | 30000,00 |
| nb-3983-040 nm | sapphire | 1 | 20,00 | 10,00 | 60,00 | 16000,00 |
| nb-4090-075 nm | sapphire | 1 | 20,00 | 20,00 | 70,00 | 30000,00 |
| nb-4120-080 nm | sapphire | 1 | 20,00 | 20,00 | 70,00 | 30000,00 |
| nb-4250-050 nm | sapphire | 1 | 25,00 | 20,00 | 60,00 | 30000,00 |
| nb-4270-070 nm | sapphire | 1 | 25,00 | 10,00 | 70,00 | 30000,00 |
| nb-4270-088 nm | sapphire | 1 | 30,00 | 20,00 | 60,00 | 30000,00 |
| nb-4295-050 nm | sapphire | 1 | 10,00 | 10,00 | 70,00 | 30000,00 |
| nb-4400-045 nm | sapphire | 1 | 10,00 | 5,00 | 70,00 | 30000,00 |
| nb-4428-057 nm | sapphire | 1 | 25,00 | 20,00 | 70,00 | 30000,00 |
| nb-4560-135 nm | sapphire | 1 | 30,00 | 15,00 | 70,00 | 30000,00 |
| nb-4720-090 nm | sapphire | 0.5 | 30,00 | 20,00 | 60,00 | 30000,00 |
| nb-4750-100 nm | sapphire | 0.5 | 25,00 | 15,00 | 70,00 | 30000,00 |
