WDM 980-1550nm Optical Fiber Coupler from China Suppliers - High Quality Factory Product with Low Insertion Loss
Product Features
Low insertion loss value
High isolation
Wide working bandwidth
High stability and reliability
Product Applications
Fiber optic communication systems
Cable TV CATV
Passive optical networks
Product Parameters
| Parameter | Value |
|---|---|
| Center wavelength (nm) | 980/1550 |
| Operating bandwidth (nm) | 980±10 / 1550±30 |
| Configuration | 1x2 |
| IL@1550nm(dB) | ≤0.8 |
| IL@980nm(dB) | ≤0.7 |
| PDL(dB) | ≤0.10 |
| Isolation@1550nm(dB) | ≥25 |
| Isolation@980nm(dB) | ≥12 |
| PER(dB) | ≥20 |
| Directivity(dB) | ≥50 |
| Fiber type | Common&pass:PM1550,Reflection:Hi1060 |
| Package size (Φ×L) mm | Φ5.5x35 |
| Fiber lead length | 1m |
| Operating Temperature | -5~70℃ |
| Storage Temperature | -40~85℃ |
| Power handling | ≤500mW |
| Port mark | See structure below |
Product Size
Φ5.5x35 Unit: mm
Frequently Asked Questions
Q1: What are the primary operating wavelengths of this device?
The center wavelengths are 980 nm and 1550 nm, with operating bandwidths of 980±10 nm and 1550±30 nm respectively.
Q2: What fiber types are utilized in this configuration?
It uses PM1550 fiber for the Common and Pass channels, and Hi1060 fiber for the Reflection channel.
Q3: What is the insertion loss and isolation performance?
The device provides an insertion loss of ≤0.8 dB at 1550nm and ≤0.7 dB at 980nm, along with an isolation of ≥25 dB at 1550nm and ≥12 dB at 980nm.
Q4: What is the maximum power handling capacity?
The maximum optical power handling capability is ≤500mW.
Q5: What are the standard package dimensions and fiber lengths?
The standard package size is Φ5.5×35 mm with a fiber lead length of 1 meter.
Q6: What operating environments are supported?
The device is designed to operate reliably within a temperature range of -5°C to +70°C and can be stored at -40°C to +85°C.

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