Dense Wavelength Division Multiplexing (DWDM)

Dense Wavelength Division Multiplexing (DWDM)
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The DWDM systems support ultra-long haul applications over thousands of kilometers with no need for additional expensive regenerators, as DWDM systems meet all needs for high speed, more capacity and longer distances in greenfield installations, and existing network upgrades, as well as being a requirement for the transmission of 100G and above. DWDM’s largest advantage is the use of optical amplifiers, which are a cost-effective solution for amplifying an entire DWDM spectrum over long spans of attenuations and distances. KOC’s DWDM exceeds Telcordia GR- 1221 and GR – 1209 standards, making them suitable for a variety of environments, including RoHS and WEEE. Our DWDM can also be customized according to different customer needs, as well as work in conjunction with other units to form a complete module or system.

Features
  • A wide range of operating wavelengths
  • Low loss rate
  • Highly separated channel
  • High stability and reliability
  • Shock resistance
  • No glue on the surface
Applications
  • Monitoring system
  • WDM system
  • Laser and optical module
  • High performance of optical amplifier, wide passband
  • Optical fiber
Specifications
ParameterSpecificationUnit
Channel Wavelength   ITU 100GHz Grid ITU 200GHz Grid nm
Channel Spacing   100 200 GHz
Channel Count   Single 2 4 8 16 20 40 CH
Channel Passband (@-0.5dB bandwidth) Min 0.125 0.25 mn
Insertion Loss Max < 1.1 1.3 2.2 3 4 4.2 4.5 dB
< 0.8
Isolation add or drop Min. >30 30 dB
other Min. >12 40 dB
Passband Ripple Max. 0.5 dB
Polarization Dependent Loss Max. 0.1 dB
Polarization Mode dispersion Max. 0.1 ps
Directivity Min. 50 dB
Return Loss Min 45 dB
Insertion Loss Temperature Stability Max. 0.005 dB/℃
Temperature Wavelength Drift Max. 0.003 nm/℃
Power Handling Max. 300 mW
Tensile Load Max. 5 N
Pigtail Type   White 0.9mm Loose Tube  
Fiber Type   SMF-28e  
Fiber length   ≥ 1.0 or customer requirements m
Operating Temperature   -10 ~ 70
Storage Temperature   -40 ~ 85
Package Dimension   100X80×10 & 141X115X18&5.5*36 mm
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