sales@qualphot.com

4-channel coarse wavelength division multiplexer

Features:
  • Low insertion loss
  • Wide bandwidth
  • High channel isolation
  • High stability and high reliability
  • No glue road
Applications:
  • Line monitoring
  • WDM network
  • Telecommunications system
  • Wireless network
  • Fiber amplifier
  • Access network
4-channel coarse wavelength division multiplexer

Performance parameters

Parameter

Reuse

Demultiplex

Channel wavelength  (nm)

1471, 1491 or 1470, 1490 etc.

Central wavelength accuracy  (nm)

± 0.5

Channel spacing  (nm)

20

Channel pass band  (@-0.5dB  bandwidth) (nm)

>13

Insertion loss  (dB)

< 1.4

Channel consistency  (dB)

< 0.6

Channel flatness  (dB)

< 0.3

Isolation  (dB)

adjacent

N/A

>30

Non-adjacent

N/A

>40

Insertion loss Thermal stability  (dB/°C )

< 0.003

Wavelength thermal stability  (nm/ °C )

< 0.002

Polarization dependent loss  (dB)

< 0.10

Polarization mode dispersion(ps)

< 0.1

Directionality  (dB)

>50

Return loss  (dB)

>45

Rated power  (mW)

300

Operating temperature  (°C)

0 ~ +70

Storage temperature  (°C)

-40 ~ +85

Dimensions  (mm)

L110 x W95 x H7.5