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Polarisation Maintaining Jumper
Polarisation Maintaining Jumper
The Polarisation Maintaining Jumper consists of an orthogonal ?slow? and ?fast? axes with different propagation constants. There is little coupling between the polarisation modes; therefore, light launched on one axis would propagate on that axis. It features high extinction ratio as a result of very accurate active alignment between PM major axis and the connector key. Various PM fibre and connectors are available.
Connector type: FC/UPC, SC/UPC, LC/UPC FC/APC, SC/APC; key orientation: slow axis; axis alignment: 3?; wavelength (nm): <980 x 1060 x 1310 x 1480 or 1550; maximum insertion loss (dB): 0.5; operation temperature (?C): -5 to +75; typical insertion loss: 0.1 dB higher for shorter wavelengths; etc.