A Polarized Light Source for the Thermal InfraRed using COTS Wire-Grid Polarizers

Case ID:

This invention is a thin wire filament that can produce polarized thermal emission when heated. Using commercial off the shelf wire-grid elements, a polarized thermal source with an extended spatial profile can be fabricated. Such a well-characterized polarized source in the thermal infrared can be used for the verification, validation, and in-flight calibration of airborne and space-based thermal polarimeters.

Traditional calibration technologies for polarimeters use either a Sodium light source or a standard quartz crystal designed for the specific application. 


  • Defense and aerospace
  • Mobile communications networks
  • Geographic Information Systems
  • Engineering


  • High level of consistency
  • Uses commercial off the shelf elements
  • Can be used in a variety of applications
Patent Information:
Contact For More Information:
Richard Weite
Senior Licensing Manager, College of Optical Sciences
The University of Arizona
Lead Inventor(s):
Meredith Kupinski
Jeremy Parkinson