Smart Product Number: PM-NDF-5/125
PM 5/125 Neodymium-Doped Double Clad Fiber
Nufern's Neodymium doped PM-double clad fiber is specifically designed for efficient single mode operation around 1060 nm when cladding pumped at 808nm. A 6 μm mode field diameter allows low splice losses to standard single mode fibers and the 125 μm cladding diameter is compatible with a variety of industry standard pump combiners. The polarization maintaining design enables construction of pulsed and CW PM fiber amplifiers.
Optical Specifications
Operating Wavelength
1060 – 1115 nm
Core NA
0.150
First Cladding NA (5%) ≥ 0.46
Mode Field Diameter
6.0 ± 1.0 µm @ 1060 nm
Cutoff
980 ± 50 nm
Cladding Absorption
1.0 ± 0.3 dB/m at 808 nm
Birefringence
nominal 2.8 × 10-4
Geometrical & Mechanical Specifications
Cladding Diameter
125.0 ± 2.0 µm
Core Diameter
5.0 µm
Coating Diameter
245.0 ± 15.0 µm
Second Cladding Material
Low Index Polymer
Prooftest Level
≥ 100 kpsi (0.7 GN/m²)
Comments
Coating Requirements: Low Index Polymer
Features & Benefits
• Single-mode core — Perfect beam quality, compatible with standard single-mode fibers
• PANDA-style stress structure for increased birefringence — Superior optical performance and uniformity
Typical Applications
• CW and pulsed fiber lasers
• PM fiber amplifiers
• An alternative to Yb-doped fibers for 1060 nm operation
商品属性 [波长] 1060 - 1115 nm [掺杂类型] Nd [芯径大小] 5 µm [首包层直径] 125 µm [数值孔径] 0.150 [光学包层] Double