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Home / Fiber Family / Special Fiber / Single Mode PM Ytterbium Doped Fiber

Single Mode PM Ytterbium Doped Fiber

Idealphotonics®Yb85-6/125-PM fibers are very highly doped single mode fibers for low power fiber laser and amplifier applications. The fibers offer excellent single-mode beam quality for 1um applications and combine high pump absorption with low photodarkening loss. They are ideal fibers for low-cost marking lasers and pumping sources.Yb85-6/125-PM fibers are available as double cladding (Yb85-6/125-DC) and double cladding polarization maintaining (Yb85-6/125-PM-DC) fibers.

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Features

● High precision geometric dimension control

● Good degree of cross section symmetry

● Great optical properties

Specifications

PN#

Yb85-6/125-PM

Yb85-20/400-PM

Yb85-30/250-PM

Core Absorption at 915nm(nominal)

85dB/m

/

/

Mode Field Diameter at 1060 nm (1)

6.0 ± 0.5μm

20.0 ± 1.5μm

30.0 ± 0.5μm

Cladding Absorption at 920 nm

/

0.5

2.3

Core Numerical Aperture (nominal)

0.11

0.065

0.060

Cut-off wavelength (2)

880 ± 80nm

880 ± 80nm

880 ± 80nm

Cladding Numerical Aperture, ≥




Core background loss at 1200 nm, ≤

≤15db/km

≤15db/km

≤30db/km

Birefringence, ≥(1E-04)

2.5

4

1.5

Core Concentricity Error, ≤

1.0um

5um

4um

Cladding Diameter (flat-to-flat)

125 ± 2um

400 ± 10um

250 ± 5.0um

Cladding Geometry

Round, PANDA

Round, PANDA

Round, PANDA

Coating Diameter

245 ± 15um

550 ± 15um

400 ± 15um

Coating Material

Dual coated low index acrylate

Dual coated low index acrylate

Dual coated low index acrylate

Proof Test, ≥

100kpsi

100kpsi

100kpsi

Application

● Low power lasers and amplifiers

● Pulsed and CW applications

● Laser marking

● High brightness pump sources

● IR sources for frequency Doubling

Ordering Info

Yb85-6/125-PM

Yb85-20/400-PM

Yb85-30/250-PM

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