Outline
Notch filters are used to block a narrow range of wavelengths. High transmittance in the passband and deep blocking at the excitation laser line (OD > 6) provides more signal with less background. In Raman spectroscopy, this allows observation of Stokes (long wavelengths) and Anti-Stokes (short wavelengths) scattered light while blocking the laser line.
Feature
- Narrow range
- High transmittance
- Deep blocking level
- Long lifetime and high durability
Application
- Raman measurement
- Laser excitation
- Fluorescence measurement
- Bio photonics
- Microscopy
Common specification
| Optical Specification | |
|---|---|
| Blocking Level [OD] | 6 |
| Transmittance (average) | >90% |
| Angle of Incidence | 0° |
| Physical Specification | |
|---|---|
| Outer Diameter | 12.5＋0.0/-0.2mm or 25＋0.0/-0.2mm |
| Clear Aperture | 8mm(Φ12.5mmフィルター) or 20mm(Φ25mmフィルター) |
| Filter thickness | 3.0±0.1mm |
| Ring mounted | Yes |
| Surface Quality (scratch/dig) | 60scratch/40dig |
| Reliability | |
|---|---|
| Environmental Testing | MIL-STD-810F |
| Mechanical Durability | MIL-C-48497A |
Narrow Notch filter
| Notch Wavelength (nm) | 50% Width (nm) | Model：Φ12.5mm | Model：Φ25mm |
|---|---|---|---|
| 442 | 10 | 442NNF-12.5 | 442NNF-25.0 |
| 457 | 10 | 457NNF-12.5 | 457NNF-25.0 |
| 476 | 10 | 476NNF-12.5 | 476NNF-25.0 |
| 488 | 10 | 488NNF-12.5 | 488NNF-25.0 |
| 514.5 | 12 | 514.5NNF-12.5 | 514.5NNF-25.0 |
| 532 | 12 | 532NNF-12.5 | 532NNF-25.0 |
| 632.8 | 16 | 632.8NNF-12.5 | 632.8NNF-25.0 |
| 650 | 17 | 650NNF-12.5 | 650NNF-25.0 |
| 676 | 17 | 676NNF-12.5 | 676NNF-25.0 |
| 752 | 19 | 752NNF-12.5 | 752NNF-25.0 |
| 785 | 20 | 785NNF-12.5 | 785NNF-25.0 |
| 830 | 21 | 830NNF-12.5 | 830NNF-25.0 |
| 1064 | 36 | 1064NNF-12.5 | 1064NNF-25.0 |
Standard Notch filter
| Notch Wavelength (nm) | 50% Width (nm) | Model：Φ12.5mm | Model：Φ25mm |
|---|---|---|---|
| 442 | 11 | 442NF-12.5 | 442NF-25.0 |
| 457 | 12 | 457NF-12.5 | 457NF-25.0 |
| 476 | 13 | 476NF-12.5 | 476NF-25.0 |
| 488 | 13 | 488NF-12.5 | 488NF-25.0 |
| 514.5 | 16 | 514.5NF-12.5 | 514.5NF-25.0 |
| 532 | 17 | 532NF-12.5 | 532NF-25.0 |
| 632.8 | 25 | 632.8NF-12.5 | 632.8NF-25.0 |
| 650 | 26 | 650NF-12.5 | 650NF-25.0 |
| 676 | 29 | 676NF-12.5 | 676NF-25.0 |
| 752 | 36 | 752NF-12.5 | 752NF-25.0 |
| 785 | 39 | 785NF-12.5 | 785NF-25.0 |
| 830 | 44 | 830NF-12.5 | 830NF-25.0 |
| 1064 | 71 | 1064NF-12.5 | 1064NF-25.0 |
Adobe Reader is required to view the downloaded PDF files.
Please download it from the left banner and install it.
| Last Updated | Update Information | Size | Download |
|---|
