"A system for providing a collimator, the collimator including a lens, a pigtail, and a holder, the system comprising:means for aligning the lens and the pigtail, the alignment being carried out in three dimensions; means for affixing a position of the lens with respect to a position of the pigtail after the lens and the pigtail are aligned; and means for placing the lens and pigtail in the holder" . . . .