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Doped Fibers

 

Triple-Clad Doped Fiber

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Fibercore’s triple-clad doped fibers are designed for fiber lasers and high power CATV and telecoms amplifiers. Their unique triple cladding structure is designed to encapsulate the octagonal mode mixing pump guide within a circular outer cladding, enabling lower splice losses and lower splice variability associated with fibers with octagonal outer regions. This triple cladding structure also gives an additional mode
confinement structure to reduce the amount of pump light at the cladding-coating interface to aid coating reliability.

Fibercore’s triple-clad erbium/ytterbium doped fibers (TC1500Y) are designed as single-mode, high-power CATV and telecommunications amplifier fibers. The TC1500Y(6/125)HD offers a smaller Mode Field Diameter (MFD) for higher efficiency levels at output signal power around 1W. The TC1500Y(11/125)HD is designed for output signal power at 5W and above.

The TC1060Y(10/125)0.08HD is a ytterbium doped fiber designed for use in pulsed and CW fiber lasers. The composition is optimized to avoid the effects of photodarkening to ensure long lifetime and high reliability.

Typical Applications

• High Power Erbium Doped Fiber Amplifiers (EDFAs)
• Ytterbium/Erbium Doped Fiber Amplifier (YEDFA)
• Fiber Lasers
• Light Detection and Ranging (LIDAR)
• Cable Television (CATV)

Product Variants

TC1060Y(10/125)0.08HD

Triple-clad Yb doped fiber

TC1500Y(6/125)HD

Triple-clad ErYb doped fiber

TC1500Y(11/125)HD

Triple-clad ErYb doped fiber

Product Variants

TC1060Y(10/125)0.08HD

Triple-clad Yb doped fiber

 

TC1060Y(10/125)0.08HD

Laser Core

 

Composition

Ytterbium

Operating Wavelength (nm)

1060

Numerical Aperture

0.07 - 0.08

Mode Field Diameter (µm)

-

Single-Mode Core Diameter (µm) 10 - 12
Cut-Off Wavelength (nm) -
Peak Core Absorption (dB/m) -
Pump Guide  

Composition

Pure silica with F-doped silica cladding

Mean Core Diameter (µm)

105 - 115

Absorption (dB/m)

1.1 0 1.5 @915nm

Numerical Aperture of low index coating w.r.t. silica

0.45 (Nominal) 

General

 

Proof Test (%)

1 (100 kpsi)

Coating Type

Low index acrylate

Cladding Diameter (µm)

125 ± 1

Coating Diameter (µm)

245 ± 15 

TC1500Y(6/125)HD

TC1500Y(11/125)HD

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