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Optical couplers/splitters
A&T produces high performance FBT type optical couplers/splitters. They provide a reliable solution to split/combine signals, and are widely used in telecommunications, CATV, test equipment, and etc. Our products are trusted by well-known domestic and overseas telecommunication operators and system suppliers.
Availabilities
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Input port(s): 1 or 2
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Output ports: 2, 3, 4, 5, 6, 7, 8, 9 and more
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Wavelengths (nm): 1310 and/or 1490 and/or 1550
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Coupling Ratio (%): 50:50, 60:40, 70:30, 80:20, 90:10, or other ratio on request
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Connectors: FC, SC, ST, LC, MU, none
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Cable OD (mm): 0.25, 0.9, 2.0, 3.0
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Package: SS tube, ABS box, LGX
Features
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Low insertion loss
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High return loss
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Low crosstalk & excess loss
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Low PDL
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Environmentally stable and reliable
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High reliability and stability
Applications
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FTTx
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PON
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CATV
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Test Equipment
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EDFA / Module
Specifications
(Values are under: Dual window; even coupling ratio; 1 input port; without connectors)
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Fiber Type |
SM fiber (G.652D, G.657A) |
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Operating Wavelength (nm) |
1310±20 / 1550±20 |
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Port |
1x2 |
1x3 |
1x4 |
1x5 |
1x6 |
1x8 |
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Maximum Insertion Loss (dB) |
3.60 |
5.60 |
7.20 |
8.20 |
9.50 |
10.70 |
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Minimum Return Loss (dB) |
≥55dB |
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Maximum PDL (dB) |
＜0.20 |
＜0.20 |
＜0.20 |
＜0.30 |
＜0.30 |
＜0.30 |
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Maximum Uniformity (dB) |
0.50 |
0.60 |
0.80 |
1.20 |
1.50 |
1.70 |
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Minimum Directivity (dB) |
≥55dB |
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Operating Temperature (℃) |
-10 ~ +70 |
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Storage Temperature (℃) |
-40 ~ +85 |
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