How to Measure Polarization Dependent Loss

Get Quote
Polarization Synthesizer
+ Polarization Synthesizer
Polarization Synthesizer
+ Polarization Synthesizer

Characterize Polarization-Dependent Transmission

Polarization dependent loss testing measures how insertion loss changes as the optical polarization state varies through the device under test. The measurement uses a tunable optical source, controlled polarization state generation, and synchronized optical power measurements to compare transmitted optical power across multiple polarization states and calculate polarization dependent loss.

A test configuration must include polarization state control, optical signal routing, synchronized optical power acquisition, and wavelength sweeping to characterize polarization sensitivity. Engineers use the resulting measurements to evaluate optical filters, multiplexers, wavelength-selective devices, and other polarization-sensitive components by identifying maximum and minimum transmission conditions.

Polarization Dependent Loss Measurement Solution

Measuring polarization dependent loss requires controlled polarization states and synchronized optical power measurements to determine how insertion loss varies as polarization changes. The Keysight polarization dependent loss measurement solution combines a tunable laser, polarization synthesizer, optical multiport power meter, and optical switch to automate polarization state control, route optical signals, and capture repeatable power measurements across multiple polarization states. Together, these instruments characterize polarization sensitivity in optical filters, multiplexers, wavelength-selective devices, and other passive optical components while improving measurement repeatability and reducing manual test setup.
Get Quote

See a Block Diagram of Polarization Dependent Loss Measurement Solution

Block Diagram of Polarization Dependent Loss Measurement Solution

Explore Products in Our Polarization Dependent Loss Measurement Solution

Related Use Cases

How to Automate Multiport Return Loss Testing

Automate optical return loss testing across multiple ports using optical switching and synchronized power measurements.

Learn More

How to Measure Optical Insertion Loss Across Wavelength

Measure wavelength-dependent optical insertion loss using automated swept-wavelength testing with synchronized optical power measurements.

Learn More

How to Measure Optical Return Loss

Measure optical return loss across fiber optic components and networks using swept wavelength testing and optical switch automation.

Learn More

contact us logo

Get in Touch with One of Our Experts

Need help finding the right solution for you?

Contact Us