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公开(公告)号:US5486936A
公开(公告)日:1996-01-23
申请号:US35206
申请日:1993-03-22
CPC分类号: G02F1/1354
摘要: An optically addressed spatial light modulator having a multilayer-type photo conductive layer with a charge carrier generation layer and a charge carrier transport layer having a large mobility. The light modulator also utilizes a liquid crystal composite layer including a transparent resin having a refractive index equal to the refractive index of the liquid crystal. The photoconductive layer and the liquid crystal layer are fixed to each other and the transparent electrodes are fixed to the two opposite sides of these layers. Utilizing the present invention an optically addressed spatial modulator is produced which can write with spectral light such as an infrared ray emitted from a semiconductor laser. The modulator has excellent qualities of sensitivity, light transmittance, hardness and spatial uniformity.
摘要翻译: 一种光寻址空间光调制器,具有具有电荷载流子生成层和迁移率大的电荷载流子传输层的多层型光导体层。 光调制器还使用包括折射率等于液晶折射率的透明树脂的液晶复合层。 光电导层和液晶层彼此固定,并且透明电极固定到这些层的两个相对侧。 利用本发明,产生光学寻址的空间调制器,其可以用诸如从半导体激光器发射的红外线的光谱写入。 调制器具有极好的灵敏度,透光率,硬度和空间均匀性。