CWDM|Zhejiang GT Lasers Tech. Co., Ltd.

CWDM series DWDM’s type channel space is 20nm , with the feature of wide channel, low insertion loss, high isolation, high reliability, high stability, No epoxy glue in optical line and Compact structure. The standard type has 8 channels, mainly used in metropolitan network and access network for multiplexing/de-multiplexing.

◉ Low insertion loss.

◉ High channel isolation.

◉ Low Polarization Dependent Loss.

◉ Exceptional reliability and stability.

◉ Access Networks.

◉ Metro WDM Systems.

◉ Enterprise Networks.

Performance			CWDM-口口A	CWDM-口口B
Operating wavelength		(nm)	1270, 1290, 1310, 1330, 1350, 1370, 1390, 1410, 1430, 1450, 1470, 1490, 1510, 1530, 1550, 1570, 1590, 1610
Center wavelength accuracy		(nm)	±0.5
Channel spacing		(nm)	20
Channel passband (@-0.5dB bandwidth)		(nm)	≥13
Insertion loss over passband (Excluding connectors)		(dB)	≤3.8	≤6.0
Channel uniformity		(dB)	≤1.0	≤1.5
Isolation	Adjacent	(dB)	≥30
	Non-adjacent		≥40
Polarization dependent loss			≤0.10
Polarization mode dispersion		(ps)	≤0.1
Directivity		(dB)	≥50
Return loss		(dB)	≥45
Power handling		(mW)	300
Operating temperature		(℃)	0~+70
Storage temperature		(℃)	-40~+85
Fiber type			9/125/900μ fiber
Fiber length		(m)	0.5±0.02
Dimensions		(")	19×10.7×1.25