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Description
VEIVOT's 3-port Filter-type Wavelength Division Multiplexer (FWDM) uses excellent thin-film filters to ensure high-quality optical performance, stability and reliability. The filter-type wavelength division multiplexer can double the transmission capacity of a single optical fiber and realize bidirectional communication. It is widely used in optical fiber upgrades, capacity expansions or the introduction of comprehensive new services, such as radio and television, telecommunications, and the Internet.
Features
Wide Operating Wavelength Range
Low inertion loss
Ultra Flat Wide Passband
High Channel Isolation
High stability and reliability
Epoxy-free on Optical Path
Applications
Testing Instruments
FTTH Tri-Play System
Specifications
Parameter | FWDM 4/35 | FWDM 5/34 | FWDM 34/5 | |
Pass Band Wavelength Range (nm) | 1480-1500 | 1540-1560 | 1260-1360&1480-1500 | |
Relection Band 1 Wavelength Range (nm) | 1260-1360 | 1260-1360 | 1540-1560 | |
Relection Band 2 Wavelength Range (nm) | 1540-1560 | 1480-1500 | ||
Insertion Loss (dB) | Reflect Channel | ≤0.6 | ||
Pass Channel | ≤0.8 | |||
Pass Band Rippler (dB) | <0.3 | |||
Insertion | Reflect Channel | >15 | ||
Pass Channel | >30 | |||
Insertion Loss Temperature Sensitivity (dB/℃) | <0.005 | |||
Polarization Dependent Loss (dB) | <0.1 | |||
Polarization Mode Dispersion (ps) | <0.1 | |||
Directivity (dB) | >50 | |||
Return Loss (dB) | >50 | |||
Maximum Power Handling (mW) | 300 | |||
Operating Temperature (℃) | -10~+75 | |||
Storage Temperature (℃) | -40~+85 | |||
1. Above specifications are for devices without connector.
2. Specifications may change without notice.