Products> Fused Optical Fiber Components>Special WL Coupler/WDM

Special WDM

Lightcomm manufactures different special wavelength WDM such as 980/1064nm, 1064/1550nm, 1550/1625nm WDM. 

Raman Pump Combiner is designed for combining the multiple pumps with different wavelengths for Raman amplifiers.



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Special WDM


Specifications

Type

Parameter

Special WDM

Operating wavelength (nm)

980 / 1064

1064 / 1550

1550 /1625

Operating bandwidth (nm)

±5

±15

±5

Insertion loss (dB)

P

≤0.3

A

≤0.4

Isolation (dB)

P

≥14

≥18

≥14

A

≥13

≥17

≥13

PDL (dB)

P

≤0.10

A

≤0.15

Directivity (dB)

≥55

Operating temperature (℃)

-40 ~ +85