Keywords: High-power-dc.png en Refractive index profile of double-clad fiber for high power fiber lasers and amplifiers own Danielsoh8 2011-02-22 Cc-zero Check categories 2011 October 24 en wikipedia Double-clad_fiber ru wikipedia Оптическое_волокно_с_двойным_пок ытием Optics Optical fiber 3 WikiProject Canada Regional WikiProjects Optical fibers |