Mini Size Wavelength Division Multiplexer

1.Description:
The function and the performance of the mini size WDM couplers are the same as the regular WDM couplers.
These mini size WDM couplers were widely used in EDFA modules, and communication systems.

Specifications:
Type
Parameter                         980/1550 WDM 980/1590 WDM 1310/1550 WDM
Operating wavelength (nm)   980 and 1550 980 and 1590 1310 and 1550
Operating bandwidth (nm)       ±10/20 ±10/20 ±15
Package dimension (Ф×L) (mm)       Ф2.4×30, Ф2.4×25 Ф2.4×30
Grade                         P             A          P            A         P        A
Insertion loss (dB) ≤0.25 ≤0.35 ≤0.25 ≤0.35 ≤0.25 ≤0.35
Isolation (dB)           ≥20    ≥18     ≥20    ≥18     ≥17   ≥16
PDL (dB)                     ≤0.05 ≤0.1 ≤0.05 ≤0.1 ≤0.05 ≤0.1
Fiber lead length    0.8 meter, others on request 1 meter, others on request
Directivity (dB)                 ≥55
Operating temperature (oC)             -40 ~ +85
Configuration                      1×2 or 2×2
*Other specifications can be made on customer request.

2. Feature
* Mini size
* High isolation
* Low PDL
* Low excess loss
* High stability and reliability

3. Applications:
* EDFA modules
* WDM systems
* Testing instruments