Telecom Polarization Maintaining Fibers
Telecom Polarization Maintaining Fibers
Our low loss Telecoms Polarization Maintaining Fibers provide excellent performance while utilizing the Bow-Tie PM design for NIR wavelengths.
- Highly birefringent PM fibers
- Short beat length PM fibers
- Strong PER maintaining fibers
- Low bending induced attenuation See All Features
| Compare | Description | Drawings, CAD & Specs | Avail. | Price | ||
|---|---|---|---|---|---|---|
 | F-HB1250T-245 Telecoms Polarization Maintaining FibersPM Telecom Optical Fiber, Bow-tie, 1300-1480 nm, 0.11 - 0.13 NA | |||||
| F-HB1500T-245 Telecoms Polarization Maintaining FibersPM Telecom Optical Fiber, Bow-tie, 1550-1650 nm, 0.11 - 0.13 NA | Discontinued | ||||
| F-SPPC-13 Telecoms Polarization Maintaining FibersPM Telecom Optical Fiber, Bow-tie, 1300-1480 nm, 0.11-0.13 NA, 400µm coating | Discontinued | ||||
| F-SPPC-15 Telecoms Polarization Maintaining FibersPM Optical Fiber, Bow-tie, Telecom, 1550-1650 nm, 0.11-0.13 NA, 400µm coating | Discontinued | ||||
Features
Bow-Tie Polarization Maintaining Fiber
The core is flanked by areas of high expansion, boron-doped glass, which shrink back more than the surrounding silica. Tension caused induces birefringence (creating two different indices of refraction: a higher index parallel and a lower index perpendicular to the applied stress).
Cross section diagram of the Bow-Tie Polarization Maintaining Fiber.
High Birefringence
"Bow-Tie" cladding preserves polarization with stress-induced intrinsic birefringence. The fast axis is oriented horizontally.
“Bow-Tie” cladding preserves polarization with stress-induced intrinsic birefringence. The fast axis is oriented horizontally.
Large Wavelength Range and Short Beat Lengths
These Bow-tie polarization maintaining fibers, also known as highly birefringent (HiBi) fibers, are optimized for Visible through NIR wavelengths and have a beat-length of less than 2 mm. The beat-length, the length over which the fiber polarization rotates through 360°, is one of the fundamental performance measures: the shorter the beat-length, the better the polarization-preserving properties of the fiber.
Standard and Custom Patch Cables
Standard patch cables are available in several standard lengths with FC/UPC or FC/APC connectors. Please note that slow axis is accurately aligned to the connector key. If you need custom configuration, please use our custom patch configurator model: F-PATCH-CUSTOM .
Strong PER Maintaining
Telecoms Polarization Maintaining (PM) fibers (HB-T) are mode-matched to standard ‘telecoms’ fibers. The result of this is that splice losses of less than 0.1dB can be achieved routinely, with Polarization Extinction Ratios (PERs) of better than -32dB. Similarly, HB-T’s geometric precision makes it ideally suited for 45° splices across PM axes for Lyot depolarizers. All of our PM fibers are designed and tested to exceed all relevant Telcordia™ standards.
Extra Rugged Coatings Available
Select fibers are also available with a 400µm dual acrylate buffer for enhanced ruggedness and reduced PER degradation during packaging.
Applications
- Telecoms
- Erbium Doped Fiber Amplifier (EDFA)
- Cable Television
- Interferometric Sensors
- Fiber Lasers
- Voltage and Current Sensors
- Biomedical
- Fiber Optic Gyroscopes (FOGs)
- Lyot and Raman Pump Depolarizers
- Polarization Multiplexing
- Pigtailing Pump Diodes
Resources
Literature
Telecoms PM Fiber(1,014.5 kB, PDF)
