Datasheet
Components & Accessories
CMS2, Cladding Mode Suppressed Photosensitive Optical Fiber
Coherent CMS2 fiber offers superior cladding mode suppression, enabling tighter channel spacing in WDM applications. This photosensitive fiber supports high-quality, repeatable grating writing with low splice loss, making it ideal for cost-effective manufacturing.
Features and Benefits
- Excellent cladding mode suppression - Allows for tighter channel spacing
- Mode matched to conventional transmission fibers - Low splice loss
- RoHS compliant
Applications
- Couplers
- DWDM
- Broadband
Datasheet
| Parameter | CMS2 |
|---|---|
| Optical Specifications | |
| Operating Wavelength | 1400–1600 nm |
| Core NA | 0.14 |
| Mode Field Diameter (Gaussian) | 9.6 ± 0.8 µm @ 1550 nm |
| Cutoff | 1265 ± 115 nm |
| Cladding Mode Suppression | < 0.1 dB for a 30 dB grating |
| Geometrical & Mechanical Specifications | |
| Cladding Diameter | 125.0 ± 1.5 µm |
| Coating Diameter | 245.0 ± 15.0 µm |
| Operating Temperature Range | -55–85 °C |
| Short Term Bend Radius | ≥ 12 mm |
| Long Term Bend Radius | ≥ 25 mm |
| Prooftest Level | ≥ 100 kpsi (0.7 GN/m²) |