An apparatus for altering the mode field of an optical signal is disclosed. The
apparatus includes a GRIN-fiber lens and a reflective surface disposed at one end
of the GRIN-fiber lens, the reflective surface configured to cooperate with the
GRIN-fiber lens to redirect the path of the optical signal directed against the
reflective surface. A method of manufacturing an apparatus for altering the mode
field of an optical signal and an optical assembly are also disclosed.
