• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Proceedings of the IEEE >Digital Holographic Three-Dimensional Video Displays
【24h】

Digital Holographic Three-Dimensional Video Displays

机译：数字全息三维视频显示器

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Holography aims to record and regenerate volume filling light fields to reproduce ghost-like 3-D images that are optically indistinguishable from their physical 3-D originals. Digital holographic video displays are pixelated devices on which digital holograms can be written at video rates. Spatial light modulators (SLMs) are used for such purposes in practice; even though it is desirable to have SLMs that can modulate both the phase and amplitude of the incident light at each pixel, usually amplitude-only or phase-only SLMs are available. Many laboratories have reported working prototypes using different designs. Size and resolution of the SLMs are quite demanding for satisfactory 3-D reconstructions. Space–bandwidth product (SBP) seems like a good metric for quality analysis. Even though moderate SBP is satisfactory for a stationary observer with no lateral or rotational motion, the required SBP quickly increases when such motion is allowed. Multi-SLM designs, especially over curved surfaces, relieve high bandwidth requirements, and therefore, are strong candidates for futuristic holographic video displays. Holograms are quite robust to noise and quantization. It is demonstrated that either laser or light-emitting diode (LED) illumination is feasible. Current research momentum is increasing with many exciting and encouraging results.
机译：全息术旨在记录和再生体积填充光场，以重现与物理3D原始物在光学上无法区分的类似鬼像的3D图像。数字全息视频显示器是像素化设备，可以以视频速率在其上写入数字全息图。实际上，将空间光调制器（SLM）用于此类目的。即使希望具有可以调制每个像素处入射光的相位和幅度的SLM，通常也可以使用仅幅度或仅相位的SLM。许多实验室报告了使用不同设计的工作原型。 SLM的尺寸和分辨率对于令人满意的3D重建非常有要求。空间带宽乘积（SBP）似乎是质量分析的一个很好的指标。即使适度的SBP对于没有横向运动或旋转运动的固定观察者来说是令人满意的，但当允许这种运动时，所需的SBP会迅速增加。多重SLM设计（尤其是在曲面上）可满足高带宽要求，因此，它们是未来全息视频显示器的理想选择。全息图对噪声和量化非常鲁棒。事实证明，激光或发光二极管（LED）照明都是可行的。当前的研究势头正在增加，并获得许多令人鼓舞和令人鼓舞的结果。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号