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Imaging results of 500 nm-diameter fluorescent beads. (A–C) The yz-plane maximum intensity projection (MIP) images of fluorescent beads excited by using the SAB light-sheet, MAB light-sheet and MAB-CBS method, respectively. (D) The normalized intensity profiles along the z-axis of the fluorescent beads selected in (A–C). The insets are the magnified views of the selected beads indicated by the dashed box in (A–C).
Brief Research Report
23 December 2022
Multiple airy beams light-sheet fluorescence microscopy
Shuangyu Gu
5 more and 
Baoli Yao

Light-sheet fluorescence microscopy (LSFM) is a kind of volumetric imaging methodology suited for long term living specimens at high temporal-spatial resolution. A single Airy beam (SAB) light-sheet can extend the field of view of Light-sheet fluorescence microscopy benefiting from its non-diffracting nature, but at the cost of out-of-focus background and low imaging contrast caused by side lobes illumination. Here, we propose a method to generate a sort of multiple Airy beams (MAB), which are linearly superimposed of multiple single Airy beams with different scale factors. Compared to the SAB light-sheet, the energy of the multiple Airy beams light-sheet is more concentrated on the focal plane of the detection objective, which can improve the imaging contrast and decrease the photodamage effect. Furthermore, we combined the complementary beam subtraction (CBS) strategy to increase the axial resolution, termed as multiple Airy beams-complementary beam subtraction method, which enables the axial resolution of 1.2 μm while keeping the field of view of 450 μm × 450 μm. The effectiveness of the method is demonstrated by imaging of fluorescent beads and aspergillus conidiophores.

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Frontiers in Physics

Novel Optical Measurement and Imaging Technologies using Broadband Light Sources
Edited by Zhe Guang, Ping Zhu, Fumin Zhang, Peijun Gong
Deadline
24 April 2025
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