Freeform lens for Digital Lensless Holographic Microscopy’s illumination source

Maria J. Lopera; Maria J. Lopera; Yunfeng Nie; Carlos Trujillo; Heidi Ottevare

doi:10.1364/DH.2023.HTh3C.3

Optica Imaging Congress (3D, COSI, DH, FLatOptics, IS, pcAOP)
Technical Digest Series (Optica Publishing Group, 2023),
paper HTh3C.3
•https://doi.org/10.1364/DH.2023.HTh3C.3

Freeform lens for Digital Lensless Holographic Microscopy’s illumination source

Maria J. Lopera, Yunfeng Nie, Carlos Trujillo, and Heidi Ottevare

Digital Holography and Three-Dimensional Imaging 2023

Boston, Massachusetts United States
14–17 August 2023
ISBN: 978-1-957171-28-9

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Digital Holographic Techniques for Bio-imaging II (HTh3C)

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M. J. Lopera, Y. Nie, C. Trujillo, and H. Ottevare, "Freeform lens for Digital Lensless Holographic Microscopy’s illumination source," in Optica Imaging Congress (3D, COSI, DH, FLatOptics, IS, pcAOP), Technical Digest Series (Optica Publishing Group, 2023), paper HTh3C.3.

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Abstract

We developed the first freeform lens used to generate the spherical wavefront required for digital lensless holographic microscopy illumination with a 0.3 numerical aperture. The proposal performance is validated with samples containing epithelial cheek cells.

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