Polarization Maintaining Coarse Wavelength Division Multiplexer (PM CWDM) is manufactured by using thin film filter (TFF) technology. It provides wide passband, low insertion loss, high wavelength isolation and environmentally stable. It can be used as a single channel add or drop Multiplexers in CWDM systems and sensor systems.
Low Insertion Loss
High extinction ratio
High return loss
High stability and reliability
WDM network
Telecommunication
Fiber optical amplifier
| Parameters | 4Channel |
|---|---|
| Channel Wavelength | 1270‑1610(18 CWDM wavelengths optional) nm |
| CWDM Channel Spacing | 20 nm |
| Channel Passband (@0.5dB bandwith) | +/-6.5 nm |
| Extinction Ratio(@23℃) | ≥20 dB |
| Insertion Loss(@23℃) | ≤1.8 dB；Typ.1.2 dB |
| Channel Ripple | <0.5 dB |
| Isolation‑Adjacent | ≥30 dB |
| Isolation‑Non‑Adjacent | ≥40 dB |
| Directivity | ≥50 dB |
| Return Loss | ≥45 dB |
| Maximum Power Handing | 500 mW |
| Operating Temperature | -10~+75 ℃ |
| Storage Temperature | -40~+85 ℃ |
| Humidity | 0 to 95%RH not condensed |
| Fiber Type | PM 1550 |
| Working Axis | Slow axis working,Fast axis block |
| Package Size | 100x80x10 |
