A base member formed as a right dehedron has first and second surfaces on which are respectively secured a plate bearing a photodetector and a platelet bearing an optical fiber end. The position of the fiber endface with respect to a photosensitive surface of the photodetector is checked using an optical...http://www.google.de/patents/US4729623?utm_source=gb-gplus-sharePatent US4729623 - Device for connecting an optical fiber and a photodetector and method for positioning the latter