HOLOGRAPHIC IMAGE ENHANCEMENT FOR FIBER OPTICS TRANSMISSION

摘要

For enhancing images transmitted by flexible fiber optics bundles the image is spectrally dispersed by a holographic optical element (18) for fiber optics (12) transmission and spectrally recombined by a holographic optical element (20) after fiber optics transmission. The arrangement eliminates the reception of blank spots and fixed pattern noise due to broken fibers and optical fiber boundaries and improves resolution of images transmitted by fiber optics bundles (Fig. 1).