Smart Product Number: XLMA-YTF-300/400/480
XLMA-Ytterbium-Doped Triple Clad Fiber
Nufern’s Extra Large Mode Area (XLMA) ytterbium-doped fibers are designed to support applications which require high average and peak powers as well has high pulse energies. These large core size fibers offer high cladding absorptions and high thresholds for non-linear effects. The fibers have a numerical aperture of 0.10 and core diameters of 100 or 300 µm, providing fundamental mode areas of 60 mm and 200 mm, respectively. The highly multimode output enables low spatial coherence for speckle free, full-field imaging. With the broad gain bandwidth of ytterbium, the XLMA fibers enable broadband, low temporal coherence operation for a range of applications such as optical coherence tomography and frequency resolved LIDAR. The XLMA fibers are offered in triple clad geometry to facilitate high power handling in multi-kW continuous wave lasers and high average power pulsed amplifiers with tens of mJ pulse energies. The fibers have NuCOATFA coating and the mechanical and optical reliability typical of Nufern’s double clad fibers.
Optical Specifications
Operating Wavelength
1015 – 1115 nm
Core NA
0.110 ± 0.010
Cladding Absorption
65.00 ± 10.00 dB/m at 915 nm
Geometrical & Mechanical Specifications
First Cladding Diameter Flat-to-Flat 400 ± 18 µm
Second Cladding Diameter
480 ± 10 µm
Core Diameter
290.0 ± 20.0 µm
Coating Diameter
630.0 ± 20.0 µm
Core/Clad Offset
≤ 10.00 μm
Coating Material
Low Index Acrylate
Prooftest Level
≥ 100 kpsi (0.7 GN/m²)
Comments
Coating Requirements: Low index polymer NuCOATFA.
Features & Benefits
High absorption & very large mode areas — Enables short fiber lengths & low non-linear effects
High damage threshold — For high pulse energies and peak powers
Highly multimoded fiber — Ideal candidate for speckle free sources
High power per mode with low coherence — For ranging applications
NuCOAT™ fluoroacrylate coating — Excellent damp & dry heat performance for extended life
Typical Applications
Multi-kW, multimode lasers
High pulse energy amplifiers
ASE sources for spectroscopy and fiber sensors
ASE source for full-field imaging
Sources for optical coherence tomography and frequency resolved LIDAR’s
商品属性 [波长] 1015 - 1115 nm [掺杂类型] yp [芯径大小] 290 µm [首包层直径] 400 µm [数值孔径] 0.110 [光学包层] Triple