Both Axis Working
Flyin Optronics’ Polarization Maintaining (PM) Product include In-Line Polarizer, PM Isolator, Polarization Beam Combiner/Splitter, PM Filter Coupler, PM Circulator, PM FWDM and PM Patch cord.
Flyin Optronics’ Polarization Maintaining (PM) Products features low insertion loss, high return loss, wide pass band, high isolation, high extinction ratio, high reliability and stability. They are extensively used in optical amplifier, power monitoring, fiber sensors, WDM system, fiber optic systems testing, CATV and laboratory.
|Parameter||Single Stage||Dual Stage|
|Center Wavelength（nm）||1310,1480 or 1550|
|Typical Insertion Loss(dB)||0.4||0.6|
|Min.Extinction Ratio(dB)||only for B type||20|
|only for F type||23|
|Minimun Return Loss(In/Out)（dB）||55/50||55/50|
|Fiber Type||250um or 400um PM Fiber|
|Fiber Length||1 meter each end|
|Dimension（mm）||Φ5.5×L35(50mm including rubber boots)|
1.The PM fiber and the connector key are aligned to the slow axis.
2.The devices with connectors,insertion loss will be 0.3dB higher,RL will be 5dB lower,and ER will be 2dB lower.
3.The above specifications are for device without connector.