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A comment on A Visionary Project Aims for Alpha Centauri, a Star 4.37 Light-Years Away. Parent comment
Upon further reading, looks like you can achieve >99.9998% reflectance for a 10% wavelength band (in this case, in the infrared). [http://www.crystallinemirrors.com/wp-content/uploads/2013072...]
Still, you're right in saying that it's probably still quite a ways off.
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Upon further reading, looks like you can achieve >99.9998% reflectance for a 10% wavelength band (in this case, in the infrared). [http://www.crystallinemirrors.com/wp-content/uploads/2013072...]
Still, you're right in saying that it's probably still quite a ways off.