Diffraction Characteristics of HUD Holographic Combiner
平显全息组合镜的衍射特性研究

The diffraction efficiency, horizontal angle select ivity and bandwidth of a holographic combiner used in a head-up display (HUD) are measured, and the experimental results are analyzed. It is shown that the dichromated gelatin (DCG) is an ideal material for recording volume hologram and the holographic combiner made by DCG has perfect transitivity and diffraction characteristics.