FWDM, is known as Filter WDM. As its name suggests, it is a WDM device based on Thin Film Filters (TFF) technology. This filter technology took a revolutionary step forward as a result of developments driven by the challenging requirements of WDM optical communications systems. Using the Thin Film Filters to perform the Multiplexing or DeMultiplexing functions, FWDM can combine or separate light at different wavelengths in a wide wavelength range and offer very low insertion loss, low polarization dependence, high isolation and excellent environmental stability.
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Paramètre
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FWDM T1550/R1310&1490
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Plage de longueurs d’onde de la bande de passage (nm)
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1540~1550
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Bande de réflexion Plage de longueurs d’onde (nm)
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1260~1360/1480~1500
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Perte d’insertion (dB)
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Canal de Pass
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≤0.6
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Canal de réflexion
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≤0.4
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Ondle de bande de passe (dB)
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<0.3
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Isolement (dB)
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Canal de Pass
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>30
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Canal de réflexion
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>15
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Perte d’insertion Sensibilité à la température (dB)
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<0.5
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Perte dépendante de la polarisation(dB)
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<0.1
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Dispersion des modes de polarisation (ps)
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<0.1
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Directivité(dB)
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>50
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Perte au retour (dB)
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>45
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Puissance maximale en prise de main(mW)
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300
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Température de fonctionnement (°C)
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-5~+75
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Température de stockage (°C)
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-40~+85
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Dimension du boîtier (mm)
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φ5.5xL38
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