A partially reflecting optical component (11) generating, from an incident beam (12), two secondary beams, one of them being reflected (13), the other one being transmitted (14). According to the invention, it comprises a first wholly reflecting planar face (15) and a second partially reflecting planar...http://www.google.co.uk/patents/US6529327?utm_source=gb-gplus-sharePatent US6529327 - Partly reflecting optical component and laser source incorporating such a component
