FIBER ARRAY UNIT WITH ALIGNMENT FIBER

Abstract

A fiber array unit (FAU) comprising a first row of fibers arranged in a substrate, wherein the first row of fibers transmits a first fraction of emitted light from a light source to a target component. The FAU further comprises a second row of one or more fibers arranged in the substrate and in a parallel orientation with respect to the first row of one or more fibers, wherein the second row of one or more fibers serves to transmit a second fraction of the emitted light from the light source to the target component and to transmit at least a fraction of the returned light received by a deflection surface of the target component.The FAU also contains a refractive component which is arranged in optical communication with the second row of one or more fibers, wherein the refractive component deflects the second part of the emitted light in a perpendicular orientation with respect to the deflection surface of the target component.