1. A fiber optic apparatus for use with a biochip having an array of spots comprising; a micro-lens optical fiber array having a plurality of micro-lenses arranged linearly and spaced apart by a distance equal to the spacing of the spots on the biochip so that when set in a position above the spots each micro-lens will be focused on one of the spots and having a plurality of optical fibers each positioned above one of the micro-lenses to receive the image, passed through the micro-lens, of the respective biochip spot; a scanning apparatus to which the micro-lens optical fiber array is attached having a mechanism for selectably translating said array from a position over one set of biochip spots to a position over another set of biochip spots.