1. Optical Fresnel zone plate flat lenses made entirely of colored photoresist through an i-line stepper
   Ryohei Yamada, Hiroyuki Kishida, Tomohiro Takami, Itti Rittaporn, Mizuho Matoba, Haruyuki Sakurai & Kuniaki Konishi
   Light: Science & Applications 14, 43 (2025)