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CWDM 1x2 device (Multimode)

CWDM 1x2 device (Multimode)

 

Coarse wavelength division multiplexing (CWDM) is a method of combining multiple signals on laser beams at various wavelengths for transmission along fiber optic cables, such that the number of channels is fewer than in dense wavelength division multiplexing (DWDM) but more than in standard wavelength division multiplexing (WDM). CWDM features low insertion loss, Low polarization dependent loss, high channel isolation and excellent environmental stability and epoxy free optical path. It’s been widely used for many applications, such as Line Monitoring, Metro WDM system, Telecommunication, Cellular Application, Fiber Optical Amplifier, access Network.

Specification

Parameter

Unit

Mux

Demux

Operating Wavelength

nm

1270, 1290, 1310,….1590,1610

1271, 1291, 1311,.…1591,1611

Center Wavelength Accuracy

nm

±0.5

 Channel space

GHz

20

Channel Passband (@-0.5dB bandwidth)

nm

≥ 13

Channel Ripple

dB

≤0.3

Transmission insertion loss

dB

≤0.6

Reflection insertion loss

dB

≤0.4

Adjacent channel isolation

dB

NONE

≥30

Non-adjacent channel isolation

dB

NONE

≥40

Directivity

dB

≥35

Return loss

dB

≥35

Polarization Dependent Loss

dB

≤0.1

Polarization Mode Dispersion

ps

≤0.1

Wavelength thermal stability

nm/

≤0.002

Insertion loss thermal stability

dB/

≤0.005

Power handling

mW

300

Fiber type

 

50/125um, 62.5/125um or customized

Operating temperature

0 ~ +70

Storage temperature

-40 ~ +85

Package dimension

mm

5.5*34, 5.5*38

Above specification is for device without connector.

Devices with connectors, IL will be 0.3dB higher and RL will be 5dB lower.

Other specifications can be made on customer request.

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