Thulium Fibers
LMA Tm doped fiber pedestal-free design
DCF-TM-25/400-08 at a glance
2 ± 0.5
Cladding Absorption @790 nm (dB/m)
Constant pump absorption.
Min 0.45
Numerical Aperture - Cladding
High-NA cladding that captures and guides the pump light.
0.0875 ± 0.0125
Numercial Aperture- Core
Pedestal-free design LMA fiber.
400 ± 10
Cladding diameter (µm)
Outer diameter of the glass cladding.
Oct.
Cladding geometry
Octogonal cladding shape.
565 ± 15
Coating Diameter (µm)
Tested at >100 kpsi to ensure long-term reliability during winding.
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DCF-TM-25/400-08
This fiber combines the advantages of a large mode area (LMA) thulium-doped, cladding-pumped fiber with a pedestal free design. Featuring a 25 µm core and a 400 µm cladding, it is intended for high-power laser and amplifier applications operating in the 1.9-2.1 µm wavelenght range while delivering excellent beam quality and high brightness. The non-pedestal design eliminates parasitic mode guidance and reduces splice sensitivity, resulting in more robust and reproducible optical assemblies.
DCF-TM-25/400-08
