22 February 2013 Two-photon-based structured illumination microscopy applied for superresolution optical biopsy
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Abstract
Combining the concept of structured illumination with two-photon microscopy, two-photon grid scanning pattern microscopy (TP-GPSM) was demonstrated to provide optical section power due to two-photon excitation and super-resolution in lateral through structured illumination. Based on a laser scanning geometry, the two-photon illumination patterns were effectively produced by temporally and spatially modulating the excitation light. Several possible ways to produce structured patterns were proposed in this paper. For image reconstruction, sufficient phase-stepped images were needed. With the 2-dimensional grid scanning pattern, ten images, including two orientations and five images with different phases in each orientation are required, and a 2-fold improvement in lateral resolution can be obtained. TP-GPSM was shown to have the potential for super-resolution imaging in thick tissues.
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Chia Hua Yeh, Chia Hua Yeh, Szu Yu Chen, Szu Yu Chen, } "Two-photon-based structured illumination microscopy applied for superresolution optical biopsy", Proc. SPIE 8588, Multiphoton Microscopy in the Biomedical Sciences XIII, 858826 (22 February 2013); doi: 10.1117/12.2003028; https://doi.org/10.1117/12.2003028
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