An optic homogenizer configured to receive and homogenize a signal from an optic light guide having an end face , the optic homogenizer comprising: an adapter configured to receive the optic light guide ; an optic window ; and a homogenizing rod positioned between the adapter and the optic window , the homogenizing rod extending longitudinally from an input end face to an output end face , the area of the output end face being at least three times larger than the area of the input end face , the homogenizing rod tapering from the output end face to the input end face , wherein the optic homogenizer is configured such that when the optic light guide is received by the adapter , the input end face of the homogenizing rod abuts the end face of the optic light guide and the output end face of the homogenizing rod abuts the optic window , further comprising a housing in which the adapter , the optic window , and the homogenizing rod are positioned, wherein the optic homogenizer further comprises means for positioning the homogenizing rod so as to align the input end face of the homogenizing rod with the end face of the optic light guide and the output end face of the homogenizing rod with the optic window, wherein the means for positioning comprises a proximal positioner and a distal positioner , both positioners contacting the homogenizing rod and each positioner sized to remain at the same axial position within the housing , wherein the means for positioning comprises means for positioning the homogenizing rod longitudinally so that the input end face of the homogenizing rod securely presses against the end face of the optic light guide and the output end face of the homogenizing rod securely presses against the optic window , and wherein the means for positioning the homogenizing rod longitudinally comprises at least one distal spring . an adapter configured to receive the optic light guide ; an optic window ; and a homogenizing rod positioned between the adapter and the optic window , the homogenizing rod extending longitudinally from an input end face to an output end face , the area of the output end face being at least three times larger than the area of the input end face , the homogenizing rod tapering from the output end face to the input end face , wherein the optic homogenizer is configured such that when the optic light guide is received by the adapter , the input end face of the homogenizing rod abuts the end face of the optic light guide and the output end face of the homogenizing rod abuts the optic window , further comprising a housing in which the adapter , the optic window , and the homogenizing rod are positioned, wherein the optic homogenizer further comprises means for positioning the homogenizing rod so as to align the input end face of the homogenizing rod with the end face of the optic light guide and the output end face of the homogenizing rod with the optic window, wherein the means for positioning comprises a proximal positioner and a distal positioner , both positioners contacting the homogenizing rod and each positioner sized to remain at the same axial position within the housing , wherein the means for positioning comprises means for positioning the homogenizing rod longitudinally so that the input end face of the homogenizing rod securely presses against the end face of the optic light guide and the output end face of the homogenizing rod securely presses against the optic window , and wherein the means for positioning the homogenizing rod longitudinally comprises at least one distal spring . <EOS>