LIEKKI® Passive-20/400 (DC,-PM)

LIEKKI® passive fibers are especially designed and manufactured to match the optical guiding properties of LIEKKI® large mode area Ytterbium doped fibers. This enables optimal mode coupling with minimal splice loss for maintaining the power and excellent beam quality between all elements of a fiber laser or amplifier. High-quality Fiber Bragg Gratings can be written into all LIEKKI® passive fibers. 

Features

  • Compatibility:
    realNA — most accurate fiber core NA for minimal splice loss
    Core design and guiding properties matched to Yb-doped fiber
    Glass cladding diameter is designed to “fit-in” octagonal active fibers
    Fiber Bragg Gratings can be written into all large mode area passive fibers

  • Reliability:
    Single cladding fibers feature a telecom grade dual layer high-index acrylate coating
    Double cladding fiber coating proven to operate up to 150˚C and in extreme humidity

Applications

  • Fiber-based components for fiber lasers (e.g. pump combiners; FBGs)

  • Pigtails for fiber lasers and amplifiers

  • All-fiber subassemblies

Available versions

Download Datasheet
Compatible to Yb800 fiber series: Passive-20/400 (Yb800, HP), Passive-20/400DC (Yb800, HP), Passive-20/400(DC)-PM (Yb800)
Compatible to Yb1200 fiber series: Passive-20/400, Passive-20/400-PM, Passive-20/400DC (HP), Passive-20/400DC-PM

Matched Yb-doped fibers
Yb800-20/400DC (HP), Yb800-20/400DC-PM, Yb1200-20/400DC (HP), Yb1200-20/400DC-PM

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LIEKKI® Yb1200-14/250DC

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LIEKKI® Passive-20/125 (DC,-PM)