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CWDM Device

VSunlight’s CWDM series single-channel CWDM are three-port filters that are used to add/drop a CWDM wavelength to/from a set of CWDM optical wavelengths, where the wavelengths are 1271, 1291. . . . . .1611 nm on the CWDM ITU grid (20 nm spacing). The filters are available in different versions of packaging, like SUS tube or glass tube only. All versions are designed for using in an outdoor environment within a temperature range of –40 ℃ to +85 ℃.
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Product description
Parameters

Features

·Wide Operating Wavelength Range

·Low Insertion Loss And Low PDL

·Compact Size

·Telcordia GR-1209 And GR-1221 Qualified

 

Application

·Mixed Transmission Of Various Signals

·Metropolitan Area Network

·Data Centre

·Backbone Network

 

Product Overview
VSunlight’s CWDM series single-channel CWDM are three-port filters that are used to add/drop a CWDM wavelength to/from a set of CWDM optical wavelengths, where the wavelengths are 1271, 1291. . . . . .1611 nm on the CWDM ITU grid (20 nm spacing). The filters are available in different versions of packaging, like SUS tube or glass tube only. All versions are designed for using in an outdoor environment within a temperature range of –40 ℃ to +85 ℃.

 

Specifications

 

     Parameter Unit Values
     Environmental    
     Operating Temperature °C -40~ +85
     Storage Temperature °C -40 ~ +85
     Optical
     Structure / 1*2 2*4
     Operating Wavelength nm 1260~1620
     Channel Spacing nm 20
     Centre Wavelength nm 1270~1610 or 1271~1611
     Passband Bandwith nm λc±6.5
     Reflection Bandwith nm 1260 ~(λc-13.5)& (λc +13.5) ~1620
     IL @ Pass Channel dB ≤0.6 ≤0.7
     IL @ Reflection Channel dB ≤0.4 ≤0.5
     Channel Ripple dB <0.3
     Adjacent Channel Isolation dB ≥30
     Non-Adjacent Channel Isolation dB ≥40
     Reflection Channel Isolation dB ≥15
     Insertion Loss Temperature Sensitivity dB/℃ <0.005
     Wavelength Temperature Shifting nm/℃ <0.002
     Directivity dB ≥50
     Return Loss dB ≥50
     Polarization Dependent Loss dB ≤0.1
     Polarization Mode Dispersion Ps ≤0.1
     Power Handling mW ≤500

 

 

 

Remark:

1.The specification does not include the connector. 

2.The insertion loss of the connector increases by 0.3dB and the Return Loss decreases by 5dB.

 

Package Option

CWDM Device

Ordering Information

CWDM Centre Wavelength Structure Pigtail Type Package Type(mm) Fiber Length Connector Type
  270=1270nm 1=1*2 0=250um bare fibre 1=Φ3.2*L30(glass tube) 1=0.5m OO=None
  271=1271nm 2=2*4 1=0.9mm loose tube 2=Φ3.8*L26(glass tube) 2=1.0m FU=FC/PC
  290=1290nm   2=2.0mm loose tube 3=Φ4.0*L30(glass tube) 3=1.5m FA=FC/APC
  291=1291nm   3=3.0mm loose tube 4=Φ5.5*L38 4=2.0m SU=SC/PC
  ......   X=Customized 5=L90xW20xH10 5=2.5m SA=SC/APC
  590=1590nm     X=Customized 6=3.0m LU=LC/PC
  591=1591nm       X=Customized LA=LC/APC
  610=1610nm         ST=ST/UPC
  611=1611nm         XX=Customized

 

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