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  • IWDM 980/1550
IWDM 980/1550
The 980/1550 IWDM series combines Filter WDM and isolator 
into a compact package to offer cost saving solution.
This device is ideal for fiber amplifier application to combine 
signal and pump wavelengths with very stable 1550 nm signal 
isolation. 
It is designed according to Telcordia standard and capable of 
high power handling.
技术参数

Parameter  Unit Single Stage   Dual Stage
Pass Band   Signal Wavelength Range nm 1530 - 1580
                   Max. Insertion Loss dB 0.8   1
                  Typ. Insertion Loss dB 0.6   0.8
                  Typ. Peak of Signal Isolation dB 40   55
                  Min. Signal Isolation (1550±10 nm for single dB 30   45
                  stage, 1550 ± 30 nm for dual stage, 23 )
                  Max. Polarization Dependent Loss dB 0.1   0.15
                  Max. Polarization Mode Dispersion ps 0.25   0.05
Reflection Band       Wavelength Range nm 950 - 1010
                             Max. Insertion Loss dB 0.6
                             Typ. Insertion Loss dB 0.4
                             Max. Polarization Dependent Loss dB 0.1
Min. Return loss dB 50
Thermal Stability dB/°C 0.005
Max. Optical Power (CW) mW 300
Max. Tensile Load N 5
Fiber Type   SMF-28 fiber for Pass Port
  Hi 1060 fiber for Reflect and Common Ports
Operating Temperature °C -5  to +70
Storage Temperature °C -40 to +85
*Above specifications are for devices without connectors.            
*For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower.        
                 
IWDM 980 1550.pdf

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