8 channel Coarse WDM manufacturers and suppliers in China

8 channel Coarse WDM Admin Edit

Operating Wavelength (nm):	1271, 1291 or 1270 or 1290	Center Wavelength Accuracy (nm):	+-0.50
Channel Spacing (nm):	20	Insertion Loss (dB):	<=3.0
Isolation (dB):	>=30	Return Loss:	>=50
Operating Temperature:	0~+70 degree	Storage Temperature:	-40~+85 degree

Coarse Wavelength Division Multiplexer Module

Features

1) Low insertion loss

2) Wide pass band

3) High channel isolation

4) High stability and reliability

5) Epoxy free optical path

Applications

1) Line Monitoring

2) WDM network

3) Telecommunication

4) Cellular application

5) Fiber optical amplifier

Performance Specifications

Parameter		4-Channel	8-Channel	16-Channel

Operating Wavelength (nm)		1271.1291 or 1270.1290 etc.
Center Wavelength Accuracy (nm)		± 0.50
Channel Spacing (nm)		20
Channel Pass band (@-0.5dB bandwidth) (nm)		≥ 13
Insertion Loss (dB)		≤ 1.5	≤ 3.0	≤ 6.0 (no skip filter)	≤ 4.0 (with skip filter)
Channel Uniformity (dB)		≤0.6	≤1.0	≤2.0	≤1.0
Channel Ripple (dB)		≤ 0.3
Isolation (dB)	Adjacent	≥30
	Non-adjacent	≥40
Insertion Loss Temperature Sensitivity (dB/^°C )		≤ 0.005
Wavelength Temperature Shifting (nm/^°C )		≤ 0.002
Polarization Dependent Loss (dB)		≤ 0.10
Polarization Mode Dispersion (ps)		≤ 0.10
Return Loss (dB)		≥50
Power Handling (mW)		300
Operating Temperature (^°C)		0 ~ +70
Storage Temperature (^°C)		-40 ~ +85
Dimensions (mm)		L110 x W95 x H7.5 (or H15)

Note: All insertion loss don't include connector loss.

Dimensions (Without Connectors)

Order Information

CWDM	Number of channel	1st ITU Channel	Pigtail Style	Fiber Length	Connector	Package Type
CWDM	04=4 channel 08=8 channel 16=16 channel	27=1270nm 29=1290nm 59=1590nm 61=1610nm	1=Bare Fiber 2=900um loose tube 3=3mm cable	1=1m 2=2m	0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC 7=LC/APC XX=other	P1=110957.5 P2=1109515