The three-dimensional images generated by digital holography are usually limited to a single color. A new technique exploiting frequency combs generates holograms with hundreds of colors at once.

中文翻译：

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使用梳子的全彩全息

数字全息生成的三维图像通常仅限于单一颜色。一种利用频率梳的新技术可同时生成数百种颜色的全息图。