Laboratory Convection Experiments with Internal, non-contact Microwave Generated Heating, Applied to Earth's Mantle Dynamics.
Bilateral RO-FR joint research project
http://www.itim-cj.ro/bilateral/terra-mwh/index.html
"Radar Tutorial", a great site about the physics and construction of the magnetron.
http://www.radartutorial.eu/08.transmitters/Magnetron.en.html
More info about the photonic crystals on Wikipedia...
https://en.wikipedia.org/wiki/Photonic_crystal
The Official page of the
"
National Institute for Research and Development of Isotopic and Molecular Technologies
", Cluj-Napoca, Romania
http://www.itim-cj.ro/