Tunable structured illumination light sheet microscopy for background rejection and imaging depth in minimally processed tissues
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Updated: Jan 26, 2026

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Published on: March 29, 2024
Joseph R Landry1, Ryosuke Itoh2, Jonathan M Li1
1Stanford University, Edward L. Ginzton Laboratory, Stanford, California, United States.
Abstract:
We demonstrate improved optical sectioning in light sheet fluorescence microscopy using tunable structured illumination (SI) frequencies to optimize image quality in scattering specimens. The SI patterns are generated coherently using a one-dimensional spatial light modulator for maximum pattern contrast, and the pattern spatial frequency is adjustable up to half the incoherent cutoff frequency of our detection objective. At this frequency, we demonstrate background reductions of 2 orders of magnitude.
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