Ytterbium Fibers YB1200-12/125-High-Power Fibers

LIEKKI? Yb1200-12/125 fibers are highly doped ytterbium fibers for medium-power fiber laser and amplifier applications. The combination of high cladding absorption and single mode core makes them ideal for compact fiber based power amplifiers.
LIEKKI? Yb1200-12/125 fibers are currently only available as double cladding (Yb1200-12/125DC) fibers

Features:

1) High-brightness single mode core

2) Medium pump absorption

3) Large, low numerical aperture (NA) core

4) Low nonlinear effects

5) Low photodarkening

6) Telcom-like geometry

7) Multimode combiners available

Yb1200-12/125DC
Optical
Peak cladding absorption at 976 nm (nominal)	dB/m	(11.1)
Cladding absorption at 920 nm	dB/m	2.6 ± 0.7
Core numerical aperture		0.07 ± 0.01
Geometrical and mechanical
Core diameter	μm	12 ± 1
Core concentricity error	μm	< 1.5
Cladding diameter	μm	125 ± 2
Cladding geometry		Octagonal
Coating diameter	μm	245 ± 15
Coating material		Low index acrylate
Cladding numerical aperture		> 0.46
Proof test	kpsi	> 100

Applications:

1) Medium-power amplifiers and lasers

2) Pulsed and continuous wave (CW) applications

3) Industrial, medical and scientific applications

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