Millimeter-wave and terahertz photonics [electronic resource] : 5-6 April, 2006 / Dieter Jäger, Andreas Stöhr, editors ; sponsored by SPIE Europe ; cosponsored by Conseil general du Bas-Rhin (France) [and others] ; cooperating organizations, CNOP--Comité national d'optique et de photonique (France) [and others].