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Isolator/Tap Coupler/WDM Hybrid Combination Spec
Basic Functions
Optical Isolator (Isolator):
Realise unidirectional transmission of optical signals and prevent reflected light from returning to the light source.
Tap Coupler:
Distribute the input optical signal to the main output port and monitoring port according to a certain ratio.
Wavelength Division Multiplexer (WDM):
Multiplexes (combines) and demultiplexes (separates) signals of multiple wavelengths.
Applications
Optical communication systems:
For signal isolation, monitoring and multi-wavelength transmission in fibre optic networks.
Fibre Lasers:
Protects lasers from reflected light interference while enabling multi-wavelength output.
Optical Sensing Systems:
For signal isolation and multi-wavelength monitoring in distributed fibre optic sensing.
Test and Measurement:
Signal isolation, spectroscopy and wavelength separation in optical test equipment.
Data Centres:
For signal management and monitoring in high-speed optical modules.
Specifications
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Parameter |
Single Stage |
Dual Stage |
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Operating Wavelength Range（nm |
Signal Channel |
C band:1528~1564 or L band:1570~1605 |
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Pump Channel |
965~995 |
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Insertion Loss（dB） |
Signal Port |
<1.4 |
<1.5 |
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Pump Port |
<0.6 |
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Tap Port |
1% Tap Ratio |
19.2~21.0 |
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2% Tap Ratio |
16.2~18.0 |
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5% Tap Ratio |
12.2~14.0 |
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10 Tap Ratio |
9.6~10.8 |
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Wavelength Dependent Loss（dB） |
Signal to Common |
<0.5 |
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Wavelength Isolation（dB) |
Signal to Common@Pump Wavelength Range |
>30 |
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Pump to Common@Signal Wavelength Range |
>12 |
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Reverse Direction Isolation (over signal wavelength range,0~70℃,all sop) （dB） |
Common to Signal |
>21 |
>36 |
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Polarization Dependent Loss（dB） |
<0.1 |
<0.2 |
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Polarization Mode Dispersion(standard)（ps） |
<0.25 |
<0.05 |
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Directivity（dB） |
≥50 |
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Return Loss（dB） |
≥45 |
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Optical Power（mW） |
≤500 |
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Operating Temperature（℃） |
-0~+70 |
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Storage Temperature（℃） |
-40~+85 |
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Fiber Type |
Signal & Tap Ports |
Corning SMF-28 |
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Common &Pump Ports |
Corning HI1060 |
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Package size（mm） |
Φ5.5x40 |
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* 900um loose tube fiber available and connectorized process available.
Dimension (Unit:mm)
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