Polarization-Maintaining Erbium-Ytterbium Co-Doped Fiber, Core Absorption @1530nm (dB/m): 30.0±10.0

Name: Polarization-Maintaining Erbium-Ytterbium Co-Doped Fiber, Core Absorption @1530nm (dB/m): 30.0±10.0
SKU: OFDF-0047

Cat No:OFDF-0047

Description

The polarization-maintaining erbium-ytterbium co-doped fiber (PM-EYDFA) is primarily used in 1.5 μm polarization-maintaining fiber amplifiers, LIDAR systems, and eye-safe laser products. This long-advancement PM-EYDFA features high birefringence and excellent polarization-maintaining performance. With high doping concentration and efficient energy transfer, it reduces required pump power and fiber length, minimizing nonlinear effects. The fiber also provides high efficiency, excellent beam quality, low splice loss, and strong bending resistance. Thanks to the advanced fiber fabrication process, the PM-EYDFA exhibits high uniformity.

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Applications

Application

Ultrafast 1.5 μm fiber lasers Eye-safe fiber lasers and amplifiers LIDAR systems

Basic Information

Feature	High birefringence for stable polarization High energy transfer efficiency, reducing pump power Optimized core composition to suppress 1 μm ASE
Operating Wavelength (nm)	1530-1625
Core NA	0.20±0.02
Cladding NA	≥0.46
Core Absorption @1530nm (dB/m)	30.0±10.0
Cladding Absorption @915nm (dB/m)	1.0±0.25
Cladding Attenuation @1095nm (dB/km)	≤30
Birefringence (10ˉ⁴)	≥1.5
Core Diameter (μm)	6.0±1.0
Coating Diameter (µm)	245.0±10.0
Inner Cladding Diameter (μm)	125.0±1.0
Core-Cladding Concentricity Eror (µm)	≤1.0
Inner Cladding Geometry	Circular, Panda Circle
Outer Cladding Material	low refractive index coating
Matrix Material	silica
Proof Test (kpsi)	≥100

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