More information: Ryohei Yamada et al, Optical Fresnel zone plate flat lenses made entirely of colored photoresist through an i-line stepper, Light: Science & Applications (2025). DOI: 10.1038 ...

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Reference: “Optical Fresnel zone plate flat lenses made entirely of colored ... Haruyuki Sakurai and Kuniaki Konishi, 16 January 2025, Light: Science & Applications.