Keysight DFB Laser Source Module User’s Guide
13
Getting Started with DFB Laser Sources
1
Optical Output
Polarization Maintaining Fiber
The Keysight 81663A DFB Laser Source module is equipped with a
polarization maintaining fiber (PMF) as standard, the PMF is aligned to
maintain the state of polarization.
The fiber is of Panda type, with TE mode in the slow axis in line with the
connector key. A well defined state of polarization ensures constant
measurement conditions.
Figure 3
PMF Output Connector
shows the symbol for straight contact connectors.
