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XP6-class Polarization Analyzer, with polarimeter

The N7788C combines a polarimeter and polarization controller for flexible lab use and fast spectral DGD/PMD and PDL measurement of optical components and fibers using a single-sweep algorithm with a Keysight tunable laser.

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  • Input power range

    -50 dBm to +7 dBm

  • Wavelength range

    1240 nm to 1650 nm

  • Functionality

    Polarimeter

  • Insertion loss

    5.0 dB

  • State of polarization uncertainty

    1.5°

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Highlights

  • Highest accuracy in a single sweep. No averaging over multiple sweeps required
  • No limitation of optical path length of component
  • 1240 nm to 1650 nm operating wavelength range
  • 1 MHz maximum sampling rate
  • 0 ps to 1000 ps DGD measurement range
  • 0 ps to 300 ps PMD measurement range
  • 1.5° SOP measurement uncertainty
  • ±2% DOP measurement uncertainty

The N7788C optical component analyzer provides both polarization control and analysis functions in one instrument for flexible laboratory use. The N7788C is especially used in combination with a tunable laser for measuring how an optical component changes the SOP of a signal. This measurement uses the unique single-sweep polarization dependent method to determine the parameters polarization mode dispersion (PMD) or differential group delay (DGD) and polarization dependent loss (PDL), based on a generalization of the standardized Jones Matrix Eigenanalysis method (JME).

For these spectral measurements of polarization dependent loss and dispersion, the N7788C is combined with a tunable laser and a new N7700 software engine. The LS engine, part of the Photonic Application Suite, now supports these measurements of wavelength-dependent DGD and PMD. This mode can be licensed with N7700103C PMD.

Parameters provided by this measurement include:

  • DGD/PMD
  • PDL
  • Power/loss
  • TE/TM-loss
  • Jones matrices
  • Mueller matrices
  • 2nd-order PMD (depolarization + PCD)

General polarimeter and polarization control functions of the N7788C are supported by the built-in user interface.

The instrument comes in a compact form factor of just one rack unit height, with LAN and USB interfaces.

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