Lenslet array tunable snapshot imaging spectrometer (LATIS) for hyperspectral fluorescence microscopy
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Snapshot hyperspectral imaging augments pixel dwell time and acquisition speeds over existing scanning systems, making it a powerful tool for fluorescence microscopy. While most snapshot systems contain fixed datacube parameters (x,y,λ), our novel snapshot system, called the lenslet array tunable snapshot imaging spectrometer (LATIS), demonstrates tuning its average spectral resolution from 22.66 nm (80x80x22) to 13.94 nm (88x88x46) over 485 to 660 nm. We also describe a fixed LATIS with a datacube of 200x200x27 for larger field-of-view (FOV) imaging. We report <1 sec exposure times and high resolution fluorescence imaging with minimal artifacts.
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Dwight, Jason G. and Tkaczyk, Tomasz S.. "Lenslet array tunable snapshot imaging spectrometer (LATIS) for hyperspectral fluorescence microscopy." Biomedical Optics Express, 8, no. 3 (2017) The Optical Society: 1950-1964. https://doi.org/10.1364/BOE.8.001950.