Description
Panda-type polarization-maintaining optical fiber is manufactured using PCVD (plasma vapor deposition) technology, and has the characteristics of tight refractive index distribution, good cross-sectional geometric symmetry, and excellent optical performance.
This polarization-maintaining optical fiber uses a UV-cured double-coating structure, and the optical fiber has stable environmental performance and can work in a temperature range of -50~80℃.
Features
- High environmental stability and reliability
- High isolation
- High extinction ratio
- High return loss
Performance indicators
| Working wavelength | 780,850,980,1064,1310,1550 | |||
| Grade | P | A | P | A |
| Insertion loss (dB) | ≤0.3 | ≤0.4 | ≤0.4 | ≤0.5 |
| Extinction ratio (dB) | ≥25 | ≥23 | ≥25 | ≥23 |
| Return loss (dB) | ≥55 | ≥50 | ≥60 | ≥55 |
| Interchangeability (dB) | ≤0.2 | |||
| Fiber type | Single Mode Fiber & multimode fiber | |||
| Operating temperature (℃) | – 20 ~ +75℃ | |||
| Storage temperature (℃) | -40 to + 85°C | |||
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