Pure Silica Core SM Fiber
- Excellent hydrogen resistance
- Reduced radiation induced attenuation
- Various NAs for bend insensitivity
- Coatings for temperature use up to 150°C and 300°C
- Carbon option for hermetic sealing
- Hydrogen test data available
Typical Applications:
- DTS/DAS/DSS
- Sensing in radiation environments
- Microscopy
- Sensing using UV light
- Coiled acoustic
- Biomedical probes
- Sensing in hydrogen environments
Comparison
| | SM300-SC | SM400-SC | SM1250SC(9/125) | SM1500SC(7/80) | SM1500SC(7/125) |
|---|---|---|---|---|---|
| Operating Wavelength (nm) | 320-430 | 405-532 | 1260-1650 | 1520-1650 | 1520-1650 |
| Cut-Off Wavelength (nm) | |||||
| Dual Layer Acrylate | ≤310 | ≤400 | 1190-1290 | 1400-1500 | 1400-1500 |
| Polyimide (P) | - | - | 1190-1290 | 1350-1520 | 1350-1520 |
| Numerical Aperture | 0.12-0.14 | 0.12-0.14 | 0.13-0.15 | 0.17-0.19 | 0.17-0.19 |
| Mode Field Diameter (μm) | 2.0-2.4 @350nm | 2.7-3.3 @480nm | 8.3-9.6 @1550nm | 6.7-7.6 @1550nm | 6.7-7.6 @1550nm |
| Attenuation (dB/km) | |||||
| Dual Layer Acrylate | ≤100@350nm ≤30@430nm | ≤50@430nm ≤30@532nm | ≤0.6@1310nm ≤0.4@1550nm | ≤0.4 @1550nm | ≤0.7 @1550nm |
| Carbon High Temperature (CHT) | - | - | ≤0.6@1310nm ≤0.4@1550nm | - | ≤0.7 @1550nm |
| Carbon Polyimide (CP) | - | - | ≤0.8@1310nm ≤0.8@1550nm | - | ≤0.7 @1550nm |
| Polyimide (P) | - | - | ≤0.8@1310nm ≤0.8@1550nm | ≤0.75 @1550nm | ≤0.7 @1550nm |
| 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) | 125 ± 1 | 125 ± 1 | 125 ± 2 | 80 ± 1 | 125 ± 2 |
| Core Cladding Concentricity (μm) | ≤0.75 | ≤0.75 | ≤0.75 | ≤0.75 | ≤0.75 |
| Coating Diameter (μm) | |||||
| Dual Layer Acrylate | 245 ± 7 | 245 ± 7 | 245 ± 7 | 170 ± 5 | 245 ± 7 |
| Carbon High Temperature | - | - | 245 ± 15 | - | 245 ± 15 |
| Carbon Polyimide | - | - | 155 ± 5 | - | 155 ± 5 |
| Polyimide | - | - | 155 ± 5 | 105 ± 5 | 155 ± 5 |
| Coating Type | Dual Layer Acrylate | Dual Layer Acrylate | Dual Layer Acrylate, CHT, CP, P* | Dual Layer Acrylate, P | Dual Layer Acrylate, CHT, CP, P |
| Operating Temperature (ºC) | |||||
| Dual Layer Acrylate | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 | -55 to +85 |
| Carbon High Temperature | - | - | -55 to +150 | - | -55 to +150 |
| Carbon Polyimide | - | - | -55 to +300 | - | -55 to +300 |
| Polyimide | - | - | -55 to +300 | -55 to +300 | -55 to +300 |
Specifications
Product Variants Explained
| SM300-SC | Pure silica core fiber for transmitting long UV (UV-A) wavelengths without photodarkening |
| SM400-SC | Non-photodarkening fiber for transmission of violet, blue and green wavelengths |
| SM1250SC(10/125) | Very low attenuation, pure silica core fiber for 1550nm transmission. |
| SM1500SC(7/80) | Pure silica core, bend insensitive fiber. |
| SM1500SC(7/125) | Pure silica core, bend insensitive fiber |
Product Specifications
| Operating Wavelength (nm) | 1520 - 1650 |
|---|---|
| Cut-Off Wavelength (nm) | Dual Layer Acrylate: 1400 -1500 Polyimide (P): 1350 - 1520 |
| Numerical Aperture | 0.17 - 0.19 |
| Mode Field Diameter (μm) | 6.7 - 7.6 @1550nm |
| Attenuation (dB/km) | Dual Layer Acrylate: ≤0.4 @1550nm Carbon High Temperature: - Carbon Polyimide: - Polyimide (P): ≤0.75 @1550nm |
| Proof Test (%) | 1 or 2 (100 or 200 kpsi) |
| Cladding Diameter (μm) | 80 ± 1 |
| Core Cladding Concentricity (μm) | ≤0.75 |
| Coating Diameter (μm) | Dual Layer Acrylate: 170 ± 5 Carbon High Temperature: - Carbon Polyimide: - Polyimide (P): 105 ± 5 |
| Coating Type | Dual Layer Acrylate Polyimide (P) |
| Operating Temperature (°C) | Dual Layer Acrylate: -55 to +85 Carbon High Temperature: - Carbon Polyimide: - Polyimide (P): -55 to +300 |
Resources
Technical Bulletins File pure_silica_core_sm_fiber_md23.9.pdf