An apparatus and methods for operating a frequency selective surface are disclosed. A fiber optic transceiver array for short wave fiber optic communications includes a series of fiber optic transceiver channels. The collector deposits and drops the collected products at a take-up station which is located on the side of said supply conveyor ; it is capable of a loop movement that can be divided, for the collecting of said products, into a transversal movement combined with a longitudinal movement upwards of the vial queue.