Presentation
5 October 2023 Variable metalens-based optical sectioning fluorescence microscopy with HiLo algorithm
Author Affiliations +
Abstract
We present the use of Moiré metalens in fluorescence microscopy system combining with telecentric system and HiLo algorithm for bio-imaging. The Moiré metalens is composed of paired phase metasurfaces. The system is capable of tuning the focal length from 10 mm to 125 mm by tuning the relative angle between the paired metasurfaces without axial displacement. In addition, the speckle illumination HiLo microscopy is used to mitigate the out-of-focus light scattering, the background noise. The labeled beads and ex vivo mouse intestinal tissue samples are imaged to show the optical sectioning capacity of our system. It is anticipated that the proposed design of varifocal metalens would have significant applications in fluorescence microscopy and endoscopy.
Conference Presentation
© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cheng Hung Chu, Yu-Hsin Chia, Mu Ku Chen, Sunil Vyas, Din Ping Tsai, and Yuan Luo "Variable metalens-based optical sectioning fluorescence microscopy with HiLo algorithm", Proc. SPIE PC12648, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI, PC126480L (5 October 2023); https://doi.org/10.1117/12.2676659
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KEYWORDS
Fluorescence microscopy

Lenses

Microscopy

Endoscopy

Light scattering

Light sources and illumination

Monochromatic aberrations

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