WDM Module 3Ch Raman Wavelength Division Multiplexer
The Raman Wavelength Division Multiplexer (Raman WDM) Module is manufactured by using thin-film filter technology, it used to separate and combine different signal wavelengths at 1450nm, 1550nm, and 1660nm (or 1650nm). It's featured with low inserion loss and high isolation. It's widely used in raman sensor or other fiber test or meaurement systems
◇Features:
Low Insertion Loss
High Channel Isolation
High Stability, High Reliability
Epoxy-free on Optical Path
◇ Application:
Distributed Temperature System
security prevention monitoring system
Fiber Optical Amplifier
temperature transmitter
◇ Specifications:
Parameter | |||
Channel Wavelength(nm) | 1260-1680 | ||
Center Wavelengtth(nm) | 1450 | 1550 | 1660 |
Channel passband(@-0.5db bandwidth)(nm) | 1435~1500 | 1535~1556 | 1610~1680 |
Insertion Loss | <1.0 | ||
Channel Ripple(db) | <0.5 | ||
Express Channel lsolation(dB) | 60 | 20 | 60 |
Insertion loss Temperature sensitivity(dB/℃) | <0.003 | ||
Wavelength Temperature Shifting(nm℃) | <0.002 | ||
Polarization Dependent Loss(dB) | ≤0.1 | ||
Polarization Mode Dispersion(ps) | ≤0.1 | ||
Directivity(dB) | ≥35 | ||
Return Loss(dB) | ≥35 | ||
Power Handling(mW) | ≤500 | ||
Operating Temperature(℃) | -5~+70 | ||
Storage Temperature | -45~+85 | ||
Package Dimension(mm) | ABS module 100*80*10 or Specify |
◇ Ordering information:
WDM | Channel | Piqtail Type | Fiber Type | Length | Connector |
1=3Ch …… X=specify |
250-250um Bare fiber 900-900um Loose tube 2000-2mm Loose tube 3000-3mm Loose tube |
1=SMF-28e | 1=1M 2=2M … x=specify |
NE-None FC/APC/UPC SC/APC/UPC LC/APC/UPC XX=Other |