UV–NIR bandpass filters 200–299 nm
A bandpass filter transmits light within a defined wavelength range, known as the passband. Blocking regions on either side suppress unwanted radiation, allowing a selected spectral range to pass.
General parameters
- Blocking
- min. 10⁻⁵ of x-ray-IR
- Ø12 - Ø12,7mm
- CA > 9mm
- Ø25 - Ø25,4mm
- CA > 22mm
- Ø50mm (+0,2mm -1mm)
- CA > 46mm
- 50 x 50mm (+1mm -0,2mm)
- CA > 48 x 48mm
Stock range
Scroll the table sideways and down as needed.
| CWL [nm] | FWHM [nm] | Cav | Peak transmission [≥T%] | Type | Order No. ø12,7mm(A) CA > 9mm | Order No. ø25,4mm(B) CA > 22mm | Order No. 50x50mm(C) or ø50mm(D) |
|---|---|---|---|---|---|---|---|
| 214±2 | 11±2 | - | 15% | - | bk-214-11-A | bk-214-11-B | - |
| 248±2 | 6±2 | 3 | 15-40% | - | bk-248-6-A | bk-248-6-B | bk-248-6-C / D |
| 253,7±3 | 12±2 | - | 15-20% | Hg | bk-254-12-A | bk-254-12-B | - |
| 253,7±5 | 30±5 | - | 15-20% | Hg | bk-254-30-A | bk-254-30-B | - |
| 254±2 | 7±2 | 3 | 15-40% | - | bk-254-7-A | bk-254-7-B | bk-254-7-C / D |
| 255±3,5 | 21±3 | - | 20% | - | bk-255-21-A | bk-255-21-B | - |
| 260±2 | 7±2 | 3 | 15-40% | - | bk-260-7-A | bk-260-7-B | bk-260-7-C / D |
| 260±3 | 10±2 | - | 15-20% | Mn, Lu | bk-260-10-A | bk-260-10-B | - |
| 265±2 | 8±2 | 3 | 15-40% | - | bk-265-8-A | bk-265-8-B | bk-265-8-C / D |
| 265±3 | 12±2 | - | 15-20% | Hg, Ge | bk-265-12-A | bk-265-12-B | - |
| 270±2 | 8±2 | 3 | 15-40% | - | bk-270-8-A | bk-270-8-B | bk-270-8-C / D |
| 270±3 | 12±2 | - | 15-20% | - | bk-270-12-A | bk-270-12-B | - |
| 275±2 | 8±2 | - | 15-40% | - | bk-275-8-A | bk-275-8-B | bk-275-8-C / D |
| 275±2 | 13±2,5 | - | 20% | - | bk-275-13-A | bk-275-13-B | - |
| 280±2 | 9±2 | 3 | 15-40% | - | bk-280-9-A | bk-280-9-B | bk-280-9-C / D |
| 280±3 | 12±2 | - | 15-20% | Hg, Zn | bk-280-12-A | bk-280-12-B | - |
| 280±5 | 30±5 | - | 15-20% | Hg, Zn | bk-280-30-A | bk-280-30-B | - |
| 285±2 | 9±2 | 3 | 15-40% | - | bk-285-9-A | bk-285-9-B | bk-285-9-C / D |
| 285±5 | 32±5 | 9 | 20-40% | - | bk-285-32-A | bk-285-32-B | bk-285-32-C / D |
| 289±3 | 12±2 | - | 15-40% | Si | bk-289-12-A | bk-289-12-B | - |
| 290±2 | 9±2 | 3 | 15-40% | - | bk-290-9-A | bk-290-9-B | bk-290-9-C / D |
| 295±2 | 9±2 | 3 | 15-40% | - | bk-295-9-A | bk-295-9-B | bk-295-9-C / D |
| 295±3 | 10±2 | 4 | 15-20% | Hg(Biom.) | bk-295-10-A | bk-295-10-B | - |
| 295±5 | 20±5 | - | 15-20% | Hg(Biom.) | bk-295-20-A | bk-295-20-B | - |