Usually called adaptive optics these days. The laser is a "guide star".
73, Brian, K0DTJ > On Sep 15, 2020, at 16:39, Fred Jensen <k6...@foothill.net> wrote: > > Didn't the term "pre-distortion" originate in the astronomy world where one > creates an artificial star with a powerful laser, and then distorts the > telescope mirror in real time to minimize atmospheric effects [twinkling]? ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
