
skip to main skip to sidebar Pages Home Timeslide View Flipcard June 29, 2011 Laser enabled megawatt class fusion propulsion IEEE Spectrum John J . Chapman , a NASA engineer , is proposing nuclear fusion propulsion for space satellites and space . probes He made a presentation at the IEEE Symposium on Fusion Engineering in . Chicago In Chapman’s aneutronic fusion reactor scheme , a commercially available benchtop laser starts the reaction . A beam with energy on the order of 2 x 10^18 watts per square centimeter , pulse frequencies up to 75 megahertz , and wavelengths between 1 and 10 micrometers is aimed at a two-layer , 20-centimeter-diameter . target IO4A-6 Advanced Fusion Reactors for Space Propulsion and Power Systems J . J . Chapman , Engineering Division , NASA , Hampton , VA ,