A high-reflection attenuation light-interception apparatus having a measured optical plug (1) which is PC polished on its output terminal, a short ferrule (2) which has an internal graded index fiber (6) with a PC polished input terminal and diagonal polished output terminal, a receptacle (3) which directly...http://www.google.de/patents/US5937122?utm_source=gb-gplus-sharePatent US5937122 - High-reflection attenuating light interception apparatus
