PM Fiber Fused Coupler – 2 x 2
Description
The 1×2, 2×2 Fused Polarization Maintaining (PM) Coupler is built by using fused biconical taper (FBT) technology. It can be used to split the input signal at various ratios while preserving the polarization with high extinction ratio.
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Features Low Excess loss & Low Insertion Loss High Extinction Ratio High stability and reliability |
Applications Optical Amplifier, Power Monitoring Coherent Communication Fiber Gyroscope Fiber Sensor |
Technical Paremeter
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Parameter |
P grade |
A grade |
P grade |
A grade |
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Central Wavelength (nm) |
1310, 1550 |
980,1064 |
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Bandwidth (nm) |
±20 |
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Typ. Excess Loss (dB) |
0.2 |
0.3 |
0.6 |
0.8 |
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Max.Excess Loss (dB) |
≤0.4 |
≤0.6 |
≤0.8 |
≤1.0 |
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ER (dB) |
≥20 |
≥17 |
≥18 |
≥16 |
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Directivity (dB) |
≥55 |
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Operating Temperature(℃) |
-40 ~ +85 |
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Storage Temperature (℃) |
-40 ~ +85 |
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Package Information
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Configuration |
1×2 or 2×2 |
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Fiber length |
0.8m, others on request |
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Fiber Type |
Panda fiber |
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Pigtail type |
250μm bare fiber |
900μm loose tube |
900μm/2mm/3mm loose tube |
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Dimensions(mm) |
φ3.0×54 |
φ3.0×70 |
90x16x9 |
Dimensions:
Ordering Information
|
CP |
Type |
Grade |
Port Type |
Wavelength (nm) |
Couplin g Ratio |
Pigtail Type |
Fiber Type |
Length |
Connector |
Packa ge |
|
PS=PM fused coupler |
P A |
1×2 2×2 |
980 1064 1310 1550 |
1/99 2/98 3/97 …… 50/50 |
250=250um bare fiber 900=900um loose tube 2000=2mm loose |
5=Panda fiber |
0.8= 0.8m X:other |
NE=None FA=FC/APC FC=FC/UPC SA=SC/APC SC=SC/UPC |
3×54
…. |
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tube |
LC=LC/UPC |
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3000=3mm loose |
XX=Other |
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tube |