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CWDM4 Z-Block
GROWSFIBER's CWDM4 Z-Block is used to combine 4 optical channels at the transmitter end as they are launched into a single-mode fiber, then function in reverse at the receiver end, with channel spacing of 20nm for CWDM, each transmitting at 25Gb/s or 10Gb/s.
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  • Excellent channel uniformity
  • Wide pass band and high channel isolation
  • Compact size
  • High stability and reliability
  • Low insertion loss and low PDL
  • RoHS compliant (lead free)
  • Telcordia GR-1221-CORE and GR-1209-CORE
  • 100G QSFP28 transceivers
  • 40G QSFP+ transceivers
Parameter Unit Value
Operating Wavelength Range nm 1260-1360
Angle of Incidence Deg 8±0.2
Channel Number / 4
Channel Spacing nm 20
Central Wavelength nm 1271/1291/1311/1331
Pass Band nm CW±6.5
Insertion [email protected] Pass band dB ≤1.0
Ripple @ Pass band dB ≤0.4
Uniformity dB ≤0.6
Adjacent Channel Isolation dB ≥25
Non-adjacent Channel Isolation dB ≥35
Polarization Dependent Loss (PDL) dB ≤0.25
Light Spot Pitch um 800±50
Effective Aperture mm Typical Φ0.5
Parallelism for all beams Deg ≤0.2
Operation Temperature -5~75
Storage Temperature -40~+85
CWDM4 Z-Block Datasheet
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