5 ms·
Start with full-on solar intensity of 1000 watts per square meter. 100x100 meters gives the power input needed. Focus that on 1m^2, then focus that in turn to 1
by ctdonath 13y ago
Start with full-on solar intensity of 1000 watts per square meter. 100x100 meters gives the power input needed. Focus that on 1m^2, then focus that in turn to 1cm^2. Sounds doable.
- bcbrown 13y agoIt's not that simple. There's a minimum beam size, and passive optics won't let you alter that. https://en.wikipedia.org/wiki/Gaussian_beam#Beam_width_or_spot_size https://en.wikipedia.org/wiki/Gaussian_beam#Beam_width_or_sp...