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Re:A Visionary Project Aims for Alpha Centauri, a Star 4.37 ... by stcredzero on Tuesday April 12, 2016 @03:29PM (#11482786)
IIRC, Robert Forward was writing about sails using dielectric mirrors with holes in them back in the 80's.
Re:A Visionary Project Aims for Alpha Centauri, a Star 4.37 ... by jessriedel on Tuesday April 12, 2016 @04:28PM (#11483275)
Yea, david-given links to one of Forward's old paper elsewhere in this thread.

http://path-2.narod.ru/design/base_e/starwisp.pdf