T-PM-1550-01 - PM Photonic Crystal Fiber, 1550 nm, Unit Pricing Per Meter
T-PM-1550-01 - PM Photonic Crystal Fiber, 1550 nm, Unit Pricing Per Meter
Features
- Polarization Extinction Ratio (PER) > 18 dB
- Temperature Sensitivity 30x Lower than that of Other Leading Stress-Birefringent Fibers
- Undoped Pure Silica Core and Cladding
- Near-Gaussian Mode Profile (Ellipticity ~1.5)
NKT Photonics offers Polarization-Maintaining (PM) photonic crystal fibers that incorporate a non-circular core in combination with the large refractive index step between air and glass; this creates strong form birefringence. The result can be a shorter beat length that reduces the bend-induced coupling between polarization states compared with conventional PM fibers, and a much reduced thermal sensitivity of birefringence. The temperature coefficient of birefringence of these fibers is up to 30 times less than that of other leading stress-birefringent fibers. These fibers are sold based on the overall optical specifications and not the physical structure.
Parameter | Value |
---|---|
Optical Properties at 1550 nm | |
Mode Field Diameter (1/e2) | 5.5/3.8 ± 0.8 µm |
Attenuation | ≤3 dB/km |
Polarization Extinction Ratio (PER) | Typical >18 dB |
Chromatic Dispersion |
55 ± 10 ps/nm/km |
Mode Field Ellipticity | ~1.5 |
Birefringence | ≥4 x 10-4 |
Physical Properties | |
Core Diameter | 6.3/4.4 ± 0.5 μm |
Outer Cladding Diameter (Outer Diameter) | 125 ± 5 μm |
Coating Diameter | 240 ± 10 μm |
Core and Cladding Material | Pure Silica |
Coating Material (Single Layer) | Single Layer Acrylate |
Coating Concentricity | <10 μm |
Proof Test Level | 0.5% |
Core Index | Proprietary |
Cladding Index | Proprietary |