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82140 Olching / Germany

Phone: +49 (0)8142 / 28 64-0
Fax: +49 (0)8142 / 28 64-11



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Fiber Optic Lab Equipment

Different measurement devices are used to test optical fibers. In addition to analyzers and power measurement devices, optical sources that can be readout with the help of monitors are also used.

PDLE-101 source/ emulatorgenerates individual PDL values
PMD source that deterministically generates precise 1st order PMD up to 180 ps and 2nd order PMD up to 8100 ps2

PMD, PDL Emulators

Emulators that generate defined polarization-dependent losses (PDLs) or polarization mode dispersions (PMDs) are used in the verification of optical transmission systems, measurement solutions, and components.

Polarization Instruments

Emulators that generate defined polarization-dependent losses (PDLs) or first-order and second-order polarization mode dispersions (PMDs) are used to characterize optical transmission systems, transponders, and receivers in telecommunications.

The PDL emulator PDLE-101 produces deterministic polarization-dependent optical losses (PDLs) in the range from 0 dB to 20 dB with a resolution of 0.1 dB.

These emulators are commonly referred to as the PDL source, which either produces a statistical PDL value or passes through PDL values at different speeds and waveforms (square, sine, triangle, random).


They are used to characterize fiber-optic transceivers, transponders, and transmission systems with coherent transmission at 40 Gb/s or 100 Gb/s.

The PMD-1000 source produces defined first-order and second-order PMD values to characterize PMD compensators or test the PMD tolerance of optical transmission systems. In DWDM paths, the PMD-1000 can be used in connection with a suitable source for the in-line measurement of PMD.

PMD and PDL measurement devices must be calibrated regularly. So-called calibration normals or calibration artifacts are available in different forms for this purpose. Select between:

  • DGD calibration artifact
    Dynamic group delay
  • PMD calibration artifact
    PMD artifact – polarization mode dispersion
  • PDL calibration artifact
    Polarization-dependent loss

Your contact person

Florian Tächl

+49 (0) 8142 2864-38