Laser-optimized 50 micron "Aqua fiber" made in the USA Get blazing-fast 10-Gigabit performance with laser-optimized 50/125 multimode fiber patch cords from Cables To Go. Laser-optimized multimode fiber (LOMMF) cables provide backward compatibility with existing 50/125 equipment while providing the performance headroom required to support laser light sources and 10-Gigabit applications.