CGH calculation with the ray tracing method for the Fourier transform optical system.
CGH calculation with the ray tracing method for the Fourier transform optical system.
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DOI：
10.1364/oe.21.032019
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发表时间：
2013-12
期刊：
影响因子：
3.8
通讯作者：
T. Ichikawa;Takuo Yoneyama;Y. Sakamoto
中科院分区：
文献类型：
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作者：
T. Ichikawa;Takuo Yoneyama;Y. Sakamoto
计算机生成的全息图(CGH)通常显示在电子设备上。然而，目前的输出设备分辨率不够高，无法显示计算全息图，因此视野非常狭窄。提出了一种利用傅里叶变换光学系统放大重建图像尺寸的方法。本文介绍了一种利用光线追踪法实现傅里叶变换光学系统放大视场和重建真实感图像的计算全息方法。这种方法重建任意深度的图像，还消除了不必要的光，包括零级光。
Computer-generated holograms (CGHs) are usually displayed on electronic devices. However, the resolution of current output devices is not high enough to display CGHs, so the visual field is very narrow. A method using a Fourier transform optical system has been proposed, to enlarge the size of reconstructed images. This paper describes a method of CGH calculations for the Fourier transform optical system to enlarge the visual field and reconstruct realistic images by using the ray tracing method. This method reconstructs images at arbitrary depths and also eliminates unnecessary light including zero-th order light.