Exploratory Energy Conversion Study of Photon Thermionics Open PDF Document Details Document Type Technical Report Publication Date Feb 01, 1963 Accession Number AD0400283 Entities Organizations General Electric Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Absorption Air Force Contracts Converters Emitters Energy Energy Conversion Government Procurement Guard Rings Jet Propulsion Lamps Light Sources Measurement Radiation Radio Frequency Spectra United States