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Physical Sciences Inc. (PSI) has been awarded a research program from the Defense Advanced Research Projects Agency (DARPA) to develop a multi¬layer emissivity control coating (MECC) for active and passive control of radiative properties.
PSI will leverage its existing work on VO2-based filters and thermal control technologies to design and fabricate a thermochromic emissivity control coating and validate its ability to modulate broadband emissivity contrast by >10:1 with a switching time of 1 μs. We will investigate the fundamental limits of emissivity contrast in multilayer VO2-based coatings with a thorough exploration of the trade-offs between switching speed, power requirements and emissivity contrast.
This program will provide scalable and cost-appropriate thermal-control tiles for both terrestrial and space-based applications. PSI’s MECC technology will be applicable to satellites for passive thermal control and terrestrial applications where passive thermal regulation can lead to power savings, such as in temperature-controlled train cars and semi-trucks.
For more information, contact:
Dr. Joel Hensley
Vice President, Photonics
hensley@psicorp.com
Physical Sciences Inc.
Telephone: (978) 689-0003