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We proposed a Nobel fabrication method using a Kiri-origami structure for a dihedral corner reflector array (DCRA), a floating image projection device. A Kiri-origami structure means a thin film with folding and cutting lines. We folded the Kiri-origami structure by stretching and then compressed it to fabricate an orthogonal mirror array structure. We clarified that the aspect ratio of the mirrors is important for the proposed fabrication method, and we found that an aspect ratio of around 2.0 is desirable for the fabrication. Based on these results, we have successfully fabricated mirror arrays using the proposed fabrication method.

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Fabrication of DCRA Using Kiri-Origami Structure

  • 会议论文

  • 发表日期：

    2026年

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  • Keishi Kawahara,
  • Nagi Nakamura,
  • Satoshi Ikezawa,
  • Kazuya Saito,
  • Eiji Iwase

摘要

We proposed a Nobel fabrication method using a Kiri-origami structure for a dihedral corner reflector array (DCRA), a floating image projection device. A Kiri-origami structure means a thin film with folding and cutting lines. We folded the Kiri-origami structure by stretching and then compressed it to fabricate an orthogonal mirror array structure. We clarified that the aspect ratio of the mirrors is important for the proposed fabrication method, and we found that an aspect ratio of around 2.0 is desirable for the fabrication. Based on these results, we have successfully fabricated mirror arrays using the proposed fabrication method.