NASA NTRS · 20060033476
Fully symmetric nulling beam combiners
Abstract
A simple method of nulling broadband light is presented. A mirror-symmetric pair of right-angle periscopes is first used to introduce a geometric field flip between two incident light beams,after which the light is combined by means of one of a number of constructive two-beam interferometers.
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Serabyn, E., Colavita, M.. 2001-04-01. Fully symmetric nulling beam combiners. https://ntrs.nasa.gov/citations/20060033476
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