Kollektanee - Samuel Gyger - topic:optics:characterization https://wiki.gyger.at/ 2026-07-26T08:17:01+00:00 Kollektanee - Samuel Gyger https://wiki.gyger.at/ https://wiki.gyger.at/_media/wiki:dokuwiki.svg text/html 2020-09-03T16:31:44+00:00 Anonymous (anonymous@undisclosed.example.com) retardance https://wiki.gyger.at/topic:optics:characterization:retardance?rev=1599150704&do=diff Retardance of optical elements Characterizing the retardance in fibers Hui and O'Sullivan \cite{Hui.OSullivan:2009} in section 4.5 discuss the measurement of polarization mode dispersion (PMD) of fibers. There are two types of birefringence in an optical fiber geometrical birefringence (inherited in the geometry of the drawn fiber) and stress birefringence due to non-symmetric stress. Then there is also external influences on the fiber, that lead to polarization dispersion.$[s_{1,in}, s_{2,in}…