1550nm Band Coupler 1x2 High Power Handling 20W Single Window(SMF-28e fiber)
The high power coupler with different fibers at various wavelength.Take high power combiner experience advantage, we can build high power coupler with good heat dissipation and telecom comparable performance and reliability.
Key Features
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High power handling up to 20W
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1×2 type
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Parameter refer to telecom coupler
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CW and Pulse available
Drawing
Specification
Paramenter
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1550nm band coupler(SMF-28e fiber)
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Grade
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P
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A
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Typical excess loss (dB)
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0.07
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0.1
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Insertion loss (dB) @1550±15nm
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50/50
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≤3.4
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≤3.6
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40/60
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≤4.4/2.6
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≤4.7/2.8
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30/70
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≤5.7/1.9
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≤6.0/2.0
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20/80
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≤7.6/1.25
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≤8.0/1.3
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10/90
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≤11.0/0.65
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≤11.5/0.8
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5/95
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≤14.2/0.4
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≤14.8/0.5
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3/97
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≤16.7/0.3
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≤17.2/0.4
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2/98
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≤18.5/0.25
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≤19.0/0.35
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1/99
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≤21.5/0.2
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≤22.0/0.3
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PDL(dB)
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≤0.1
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≤0.15
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Directivity(dB)
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≥55
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Operating temperature(℃)
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-40~+85
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