Re:A Visionary Project Aims for Alpha Centauri, a Star 4.37 ...
by Terr_ on Tuesday April 12, 2016 @04:20PM
(#11483224)
> Edit: Just realized [...] the laser won't be green any more thanks to the Doppler effect!
If the laser is tune-able, you could slowly increase the output-frequency based on how fast you expect the target to be moving at the time the light hits. This would counteract the Doppler effect and supply a consistent frequency to the target.
If the laser is tune-able, you could slowly increase the output-frequency based on how fast you expect the target to be moving at the time the light hits. This would counteract the Doppler effect and supply a consistent frequency to the target.