三包层掺杂光纤

三包层掺杂光纤

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三包层掺杂光纤

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Triple-Clad Doped Fiber


Fibercore’s triple-clad doped fibers aredesigned for fiber lasers and high power CATV and telecoms amplifiers. Theirunique triple cladding structure is designed to encapsulate the octagonal modemixing pump guide within a circular outer cladding, enabling lower splicelosses and lower splice variability associated with fibers with octagonal outerregions. This triple cladding structure also gives an additional modeconfinement structure to reduce the amount of pump light at thecladding-coating interface to aid coating reliability.

Fibercore’s triple-clad erbium/ytterbiumdoped fibers (TC1500Y) are designed as single-mode, high-power CATV andtelecommunications amplifier fibers. The TC1500Y(6/125)HD offers a smaller ModeField Diameter (MFD) for higher efficiency levels at output signal power around1W. The TC1500Y(11/125)HD is designed for output signal power at 5W and above.

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

TypicalApplications:

·       High Power Erbium Doped Fiber Amplifiers (EDFAs)

·       Ytterbium/Erbium Doped Fiber Amplifier (YEDFA)

·       Fiber Lasers

·       Light Detection and Ranging (LIDAR)

·       Cable Television (CATV)

Product list

TC1060Y(10/125)0.08HD Triple-clad Ybdoped fiber

TC1500Y(6/125)HD Triple-clad ErYb dopedfiber

TC1500Y(11/125)HD Triple-clad ErYb dopedfiber


Model

TC1060Y(10/125)0.08HD

TC1500Y(6/125)HD

TC1500Y(11/125)HD

Operating Wavelength (nm)

1060

1520 - 1570

1520 - 1570

Absorption (dB/m)

1.1 - 1.5 @915nm

0.6 - 0.9 @915nm

2.5 - 4.5 @915nm

Composition

Ytterbium

Erbium and ytterbium

Erbium and ytterbium

Numerical Aperture

0.07 - 0.08

0.20 - 0.23

0.10 - 0.13

Mode Field Diameter (μm)

-

5.6 - 7.2 @1550nm

9.6 - 12 @1550nm

Single-Mode Core Diameter (μm)

10 - 12

-

-

Cut-Off Wavelength (nm)

-

1290 - 1510

1290 - 1510

Peak Core Absorption (dB/m)

-

75 ± 20 @1535nm

75 ± 20 @1535nm

Composition

Pure silica with F-doped silica   cladding

Pure silica with F-doped silica   cladding

Pure silica with F-doped silica   cladding

Mean Core Diameter (μm)

105 - 115

105 - 115

105 - 115

Numerical Aperture of Low Index   Coating W.R.T. Silica

0.45 (Nominal)

0.45 (Nominal)

0.45 (Nominal)

Proof Test (%)

1 (100 kpsi)

1 (100 kpsi)

1 (100 kpsi)

Coating Type

Low index acrylate

Low index acrylate

Low index acrylate

Coating Diameter (μm)

245 ± 15

245 ± 15

245 ± 15

Cladding Diameter (μm)

125 ± 1

125 ± 1

125 ± 1

Operating Wavelength (nm)

1060

1520 - 1570

1520 - 1570