1x2 Broadband 1550nm Filter WDM FWDM For Fiber Amplifier
Filter-based Wavelength Division Multiplexer (Filter WDM, or FWDM) is based on the mature membrane filter technology, with a wide channel bandwidth, low insertion loss, high channel isolation degrees and high environmental stability and reliability. It is widely used in single-mode fiber optic communication systems and DFA.
⊕ Features
Low Insertion Loss
High Isolation
High stability and reliability
⊕ Applications
WDM systems
CATV
Fiber Amplifier
⊕ Specification
Parameter | 1310/1550 | 1510/1550 | 1625/1585 | 1640/1620 | 1600/1580 | 1450/1550 | ||
Wavelength (nm) | Type 1 | Pass band | 1310±40 | 1500-1521 | 1620-1630 | 1640-1670 | 1600-1670 | 1430-1510 |
Reflection band | 1550±40 | 1529-1563 | 1570-1605 | 1260-1620 | 1290-1580 | 1529-1600 | ||
Type 2 | Pass band | 1550±40 | 1260-1620 | |||||
Reflection band | 1310±40 | 1640-1670 | ||||||
Pass insertion loss (dB) | <0.8 | |||||||
Reflection insertion loss (dB) | <0.6 | |||||||
Pass channel isolation (dB) | >30 | |||||||
Reflection isolation (dB) | >15 | |||||||
Channel flatness (dB) | <0.3 | |||||||
Directivity (dB) | >55 | |||||||
Return loss (dB) | >50 | |||||||
PDL (dB) | <0.1 | |||||||
Wavelength thermal stability (nm/°C) | <0.003 | |||||||
Insertion loss thermal stability(dB/"C) | <0.005 | |||||||
Power handling (mW) | <300 | |||||||
Operating temperature (°C) | 0 -+65 |