- Detail
- Parameters
- Review
Gapho’s Filter Wavelength Division Multiplexer (FWDM) is a highly reliable micro-optical device based on thin film fiber technology with low insertion loss, wide bandwidth, high isolation and epoxy-free optical path. The product has already been widely used in communication fields such as signal monitoring, optical line termination, optical network unit, FTTH, CATV system, WDM system, etc.
Key Features
Wide Operating Wavelength Range
Low Insertion Loss
Ultra Flat Wide Passband
High Channel Isolation
High Stability and Reliability
Epoxy-free on Optical Path
Applications
Testing Instruments
FTTH Tri-Play System
Specifications
Parameter | T1550R1310/1490 | T1490R1310/1550 |
Central wavelength (nm) | 1310, 1490, 1550 | |
Pass band wavelength(nm) | 1550+/-20 | 1490+/-20 |
Reflection wavelength(nm) | 1310/1490 +/-20 | 1310/1550+/-20 |
Insertion Loss at 1490nm (dB) | ≤0.8 (0.6 typical) | |
Insertion Loss at 1310nm (dB) | ≤0.8 (0.6 typical) | |
Insertion Loss at 1550nm (dB) | ≤0.8 (0.6 typical) | |
Isolation at 1490 nm(dB) | ≥30 | |
Isolation at 1310nm(dB) | ≥30 | |
Isolation at 1550nm(dB) | ≥15 | |
Directivity (dB) | ≥55 | |
Return loss (dB) | ≥50 | |
PDL(dB) | ≤0.10 | |
Insertion loss thermal stability(dB) | ≤0.005 | |
Power handling (mW) | ≤500 | |
Operating temperature(℃) | -40 ~ +85 | |
Storage temperature(℃) | -40 ~ +85 | |
| Package size(mm) | 90*20*10 | |
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