JBTX 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.

Parameter/Type		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

 

Parameter/Channel space				Raman Pump Combiner(PCOM)
				15~20nm		>0.5
Operating wavelength(nm)				Upon customer request
Grade				P	A	P	A
Center isolation loss(dB)				≤0.5	≤0.6	≤0.4	≤0.5
Center isolation(dB)				≥14
Directivity(dB)				≥55
Operating temperature（℃）				-40~+85

*The above specification is without connector
**Other specifications can be made on customer request.

Configuration		1×2 or 2×2		1×N（N>2）
Fiber type		250um bare fiber	900um loose tube	900um/2mm/3mm loose tube
Dimensions(Φ×L)		Φ3.0×60	Φ3.0×70	100×80×10
Fiber lead length		1 meter,others on request

*Other package dimensions can be made on customer request.