Carbon Nanotube Electron Sources: From Electron Beams to Energy Conversion and Optophononics
Figure 12
Solar thermionic convertor at the NASA Marshall Space Flight Center facility: (a) shows the convertor chamber, as well as the heliostat in the distance; (b) shows the view from the other side of the convertor chamber, where the concentrator array located behind can be seen. Note the size of the structure compared to the vehicles in the background (lower left corner of (a)) (reprinted with permission from [219]. Copyright 2006, AIP Publishing LLC. High-resolution images courtesy of Steven F. Adams).
