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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Parámetro
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FWDM T1550/R1310&1490
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Rango de longitud de onda de la banda de paso (nm)
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1540~1550
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Banda de reflexión Rango de longitud de onda (nm)
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1260~1360/1480~1500
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Pérdida por inserción (dB)
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Canal de Paso
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≤0.6
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Canal de Reflexión
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≤0.4
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Banda de paso Ripple(dB)
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<0.3
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Aislamiento(dB)
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Canal de Paso
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>30
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Canal de Reflexión
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>15
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Pérdida de inserción Sensibilidad a la temperatura (dB)
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<0.5
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Pérdida dependiente de la polarización(dB)
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<0.1
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Dispersión de modos de polarización (PS)
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<0.1
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Directividad(dB)
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>50
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Pérdida en retorno (dB)
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>45
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Máxima capacidad de manejación(mW)
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300
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Temperatura de funcionamiento (°C)
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-5~+75
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Temperatura de almacenamiento (°C)
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-40~+85
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Dimensión del paquete (mm)
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φ5.5xL38
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