Our Polarization Maintaining (PM) fibers are designed to give the highest levels of polarization maintenance for wavelengths from 480nm to greater than 1650nm. We offer both Bow-Tie and PANDA type PM fiber. Both the Bow-tie and the PANDA PM fiber have a step index profile.
Bow-Tie and PANDA™ polarization maintaining fibers
Additional drawings are not available for this product.
Specifications
Index Profile
Step
Cladding Diameter
125 ±1 µm
Coating Diameter
245 ±15 µm (F-PM630: 400 ±15 µm)
Cable Diameter
2.5 mm
Cut-off Wavelength
See product page
Buffer Coating Material
Dual Acrylate
Proof Test
100 kpsi
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.
Corning's PANDA Polarization Maintaining Fiber
Corning's PANDA polarization maintaining fibers offer low attenuation and excellent birefringence for high performance applications. Their design uses two stress applying parts to create an extremely high birefringence, resulting in fiber with excellent polarization maintaining properties. The operating wavelengths range from 480 to 1550 nm with beat lengths ranging from less than 1.7 to 5 mm.
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
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