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High Isolation 1310 1490 1550 Filter Wdm Fwdm

FTTX Filter WDM module extensively used in EDFA, Raman amplifiers, WDM networks, and fiber optics instrumentation is based on Thin Film Filter (TFF) technology. The device combines or separates light at different wavelengths in a wide wavelength range. It can expand the capacity of a single fiber to achieve bidirectional communication so that widely used in optical network upgrades and expansion, or introduce new comprehensive business, etc.

FS provides filter-based wavelength division multiplexing (WDM) filter devices that are customized to the particular wavelength bands for your special applications. As you might know, the GEPON system itself works on 1310/1490, so the CATV signal here is delivered over the same fiber using 1550nm, and FWDM is a place where all this get's "mixed".
Availability:
Quantity:
Features  
 
  on thin film filter technologyand high wavelength stability  
 polarization dependent loss  
 and high channel isolation  
 Flat and wide passband  
 Epoxy free optical path and excellent reliability  
 Telcordia GR-1221-CORE qualified and RoHS compliant  
 
Applications  
 WDM system  
 CATV system  
 Telecommunication network system  
 Metro/Access networks  
 EDFA Fiber optic instrumentsTransmitters and fiber lasers  
 Single direction/Bi-direction transmissionLine monitoring  
 
Specification  
ParameterUnitValue
Central Wavelengthnm850/1310980/15501310/15501480/15501310/1490/1550C/L Band1310/16251550/1625
WavelengthType
      1
Passbandnm850±50980±401310±401450~14901310±40 1490±101528~15631310±401550±40
Reflective Band1310±501550±401550±401530~15801530~15801570~16101625±101625±10
Type
      2
Passband1310±501550±401550±401530~15801530~15801570~16101625±101625±10
Reflective Band850±50980±401310±401450~14901310±40 1490±101528~15631310±401550±40
Insertion LossPass ChanneldB≤0.6
Reflective Channel≤0.4
IsolationPass ChannelnmStandard ISO≥30, High ISO≥40
Reflective ChannelStandard ISO≥15, High ISO≥20
FlatnessdB≤0.3
DirectivitydB≥50
Return LossdB≥45
PMDps≤0.10
PDLdB≤0.10
Insertion Loss Temperature SensitivitydB/°C≤0.005
Wavelength Temperature Shiftingnm/°C≤0.002
Fiber Type-50/125 or 62.5/125 Multimode fiber, SMF-28e Single mode fiber, HI1060 Fiber
Max. Power HandlingmW≤500
Operation Temperature°C-10~+70
Storage Temperature°C-40~+85
Package DimensionmmΦ5.5×34 (Φ0.25 fiber), Φ5.5×38(Φ0.9 fiber)

 Note:  
      1. All parameters are for device without connectors.  
      2. Special specifications can be customized according to customer requirements.
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+86-521-57873993
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+8618625257159
About us
Kunshan Kewei Fiber Communications Equipment Co., Ltd (opticwave)Was established in 2014. It is a high-tech communications enterprise specializing in the development, manufacturing and network engineering services of optical fiber components and network products.
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