IT之家 5 月 25 日消息，瑞士洛桑联邦理工学院（EPFL）的一支研究团队实现了新型全息 3D 打印技术突破，论文于 5 月 19 日发表于《Light: Science & Applications》。
该团队首次将一种名为相位光调制器的新型 MEMS 器件引入体积打印系统，成功将光能利用效率提升至传统振幅调制的 70 倍，并实现了从微米级细胞支架到厘米级器官模型的多尺度、多材料打印。
该研究使得体积打印成本大幅降低，仅用 150 毫瓦激光二极管即可打印大尺寸物体（最大可达 3 x 3 x 4 cm³，用时 2 分钟）；此外，从几十微米的精细结构到厘米级的大尺寸物体，无需更换设备，仅需数字缩放投影即可完成。
该团队展示了一个大型人耳样本的打印，用时 2 分 12 秒，使用 150 毫瓦的激光输出功率。
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