Outline
Iridian’s laser line filters are amongst the best in the world featuring high transmittance (greater than 90% in the pass band); narrow bandwidth (1-3 nm) and excellent blocking from 300 to 1200 nm. Iridian’s laser line filters are optimized to reduce the spectral noise of a laser source and pass only the desired laser wavelength through a steep transition from pass band to deep blocking.
Feature
- Narrow range (2.2nm typical)
- High transmittance (> 90%)
Application
- Raman measurement
- Laser excitation
- Fluorescence measurement
- Bio photonics
- Microscopy
Common specification
| Optical Specification | |
|---|---|
| Blocking Level [OD] | >3 |
| OD 3 Blocking Bandwidth | 4.5nm |
| Blocking Range | 300～1200nm |
| Transmittance | >90%(only 405nm＞80％) |
| FWHM | 2.2nm(typical) |
| Angle of Incidence | 0±5° |
| Physical Specification | |
|---|---|
| Filter thickness | 3.0 |
| Ring mounted | Yes |
| Ring Thickness | 5mm |
| Surface Quality (scratch/dig) | 80scratch / 50dig |
Laserline filter
| Laser wavelength (nm) | Laser wavelength(cm-1) | Model：Φ12.5mm | Model：Φ25mm |
|---|---|---|---|
| 405 | 24691 | 405BPF-12.5 | 405BPF-25.0 |
| 488 | 20500 | 488BPF-12.5 | 488BPF-25.0 |
| 514.5 | 19400 | 514.5BPF-12.5 | 514.5BPF-25.0 |
| 532 | 18800 | 532BPF-12.5 | 532BPF-25.0 |
| 633 | 15800 | 633BPF-12.5 | 633BPF-25.0 |
| 638 | 15674 | 638BPF-12.5 | ― |
| 785 | 12700 | 785BPF-12.5 | 785BPF-25.0 |
| 830 | 12000 | 830BPF-12.5 | 830BPF-25.0 |
| 1064 | 9398 | 1064BPF-12.5 | 1064BPF-25.0 |
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