<https://www.edaboard.com/threads/ir-germanium-mirror-with-non-perpendicular-incidence.337034/>
<http://schema.org/datePublished>
"2015-05-05T18:56:36+00:00"^^<http://schema.org/Date>
<https://www.edaboard.com/threads/ir-germanium-mirror-with-non-perpendicular-incidence.337034/>