Phase Modulation Fresnel Zone Aperture for Image Resolution Improvement in Lensless Cameras

Keita Yamaguchi

Presentation information

Oral Session

ODF '22 » Optical Systems I

[OFA3A] Optical Systems I

Fri. Aug 5, 2022 11:00 AM - 12:25 PM Conference Hall (Oval Room) (1F)

Session Chairs: Hiroshi Ohno (Toshiba), Alfredo Rueda (Scantinel Photonics)

11:40 AM - 11:55 AM

[OFA3A-03] Phase Modulation Fresnel Zone Aperture for Image Resolution Improvement in Lensless Cameras

*Keita Yamaguchi¹, Kazuyuki Tajima¹, Yusuke Nakamura¹, Takeshi Shimao¹ (1. Hitachi, Ltd. (Japan))

[Presentation Style] Online

Use of phase modulation Fresnel zone aperture (FZA) is proposed for suppressing diffraction in FZA-based lensless camera. The effectiveness of the proposed method was experimentally verified with the developed prototype of compact lensless camera modules.