Mini PM Optical Isolator + WDM 2-in-1 Hybrid (1550/980nm)
Miniature Polarization-Maintaining Optical Isolator and 980nm WDM 2-in-1 Hybrid in an ultra-compact dia. 3.2 x 30 mm package. Designed for mini EDFA modules, integrating 1550nm signal isolation and 980nm pump multiplexing with low insertion loss (<=0.8 dB) and high isolation (>30 dB).
Technical Specifications
Parameter
Specification
Unit
Signal Center Wavelength
1550
nm
Pump Wavelength Range
960-990
nm
Signal Operating Bandwidth
±20
nm
Min. Isolation (Signal Port) @ 23°C
30 (Single Stage) / 45 (Dual Stage)
dB
Max. Insertion Loss (Signal Path)
0.8 (Single Stage) / 1.1 (Dual Stage)
dB
Max. Insertion Loss (Pump Path)
0.5
dB
Min. Pump Isolation from Signal
25
dB
Min. Extinction Ratio @ 23°C
20 (Both axes) / 22 (Fast axis blocked)
dB
Min. Return Loss
50
dB
Max. Optical Power (CW)
300 (Signal) / 500 (Pump)
mW
Fiber Type (Signal Ports)
PM Panda Fiber
-
Fiber Type (Pump Port)
HI1060 or SMF-28e+ Fiber
-
Package Dimensions
dia. 2.5 x 20 mm
mm
Technical Datasheet Note
2-in-1 integration eliminates one internal fusion splice, saving ~0.3 dB insertion loss and 50% PCB space in micro-EDFA modules.
2-in-1 integration eliminates one internal fusion splice, saving ~0.3 dB insertion loss and 50% PCB space in micro-EDFA modules.
Configuration and ordering notes
Configuration parameters include forward pumping (pump and signal co-propagating) or backward pumping layout, and signal isolation stage.
Selection Guidance: Review footprint reduction, splice elimination and optical loss budget in our Mini & Hybrid Devices for CPO & Transceivers Guide ↗ or Mini vs Standard Isolator Guide ↗.
Key Applications
Micro-EDFA gain blocks; Pluggable optical amplifier transponders; Space-constrained fiber sensing; Coherent optical links.
Package Drawing
Need an exact configuration?
A quotation review can begin with the application, quantity and available component information. Wavelength, optical power, fiber and termination details can be clarified with engineering.