※ 필요 사항
1. HOE type(반사식, 투과식)
2. 각도(입사각, 회절각)
3. 재생 파장, 크기, 용도, 회절효율, 균일도, 컬러, substrate(재질, 두께)
4. 렌즈 경우 focal length
※ Requirements
1. HOE type (reflection, transmission)
2. Angle (Incidence, diffraction)
3. Reconstruction wavelength, size, use, diffraction efficiency, uniformity, color, substrate(material, thickness)
4. Focal length (for the lens)