Media type: E-Article Title: Refractive-index determination of solids from first- and second-order critical diffraction angles of periodic surface patterns Contributor: Meichner, Christoph; Schedl, Andreas E.; Neuber, Christian; Kreger, Klaus; Schmidt, Hans-Werner; Kador, Lothar Published: AIP Publishing, 2015 Published in: AIP Advances, 5 (2015) 8, Seite 087135 Language: English DOI: 10.1063/1.4928654 ISSN: 2158-3226 Origination: Footnote: Access State: Open Access