Polyimide Coated SM Fiber
For embedded and high temperature applications
- Polyimide coated enabling survival at temperatures up to 300°C
- Ultra-low and low profile, bend insensitive fiber for downhole Seismic geophone sensors and high temperature distributed pressure and temperature sensors
- Enhanced photosensitivity
- Maintains composite material strength when embedded
Typical Applications:
- Downhole sensors
- Geophones
- DTS, DAS, DSS and DPS
- Embedded sensors
- FBGs
- Biomedical in vivo sensors
- High temperature sensors
Comparison
| | SM1500(4.2/50)P | SM1500(4.2/80)P | SM1500(5.3/80)P | SM1500(6.4/80)P | SM1500(7.8/80)P |
|---|---|---|---|---|---|
| Operating Wavelength (nm) | 1520-1650 | 1520-1650 | 1520-1650 | 1520-1650 | 1520-1650 |
| Cut-Off Wavelength (nm) | 1350-1520 | 1350-1520 | 1350-1520 | 1350-1520 | 1350-1520 |
| Numerical Aperture | 0.29-0.31 | 0.29-0.31 | 0.23-0.25 | 0.19-0.21 | 0.15-0.17 |
| Mode Field Diameter (μm) | 4.0-4.5 @1550nm | 4.0-4.5 @1550nm | 5.0-5.6 @1550nm | 6.0-6.8 @1550nm | 7.4-8.6 @1550nm |
| Attenuation (dB/km) @1550nm | ≤3.0 | ≤2.5 | ≤1.5 | ≤0.75 | ≤0.7 |
| Proof Test (%) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) |
| Cladding Diameter (μm) | 50 ± 2 | 80 ± 2 | 80 ± 2 | 80 ± 2 | 80 ± 2 |
| Core Cladding Concentricity (μm) | ≤1.0 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.75 |
| Coating Diameter (μm) | 71 ± 5 | 102 ± 5 | 102 ± 5 | 102 ± 5 | 102 ± 5 |
| Coating Type | Polyimide | Polyimide | Polyimide | Polyimide | Polyimide |
| Operating Temperature (ºC) | -55 to +300 | -55 to +300 | -55 to +300 | -55 to +300 | -55 to +300 |