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16 March 2023 Parallelized compressive spontaneous Raman imaging via SPAD arrays (Conference Presentation)
Clémence Gentner, Samuel Burri, Edoardo Charbon, Claudio Bruschini, Hilton B. de Aguiar
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Proceedings Volume PC12390, High-Speed Biomedical Imaging and Spectroscopy VIII; PC123900K (2023) https://doi.org/10.1117/12.2649162
Event: SPIE BiOS, 2023, San Francisco, California, United States
Abstract
Compressive Raman imaging has emerged as a promising technique to speed up chemical imaging by compressing the data during acquisition. Yet, current scanning imaging speed is fundamentally limited by the sensors pixel dwell times of at best 1 µs. Here, we introduce a compressive Raman spectrometer layout equipped with a novel parallelized spatial acquisition using a single-photon avalanche detector array. We show imaging with pixel dwell times of <10µs using the otherwise weak spontaneous Raman effect, thereby reaching real-time imaging.
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Clémence Gentner, Samuel Burri, Edoardo Charbon, Claudio Bruschini, and Hilton B. de Aguiar "Parallelized compressive spontaneous Raman imaging via SPAD arrays (Conference Presentation)", Proc. SPIE PC12390, High-Speed Biomedical Imaging and Spectroscopy VIII, PC123900K (16 March 2023); https://doi.org/10.1117/12.2649162
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KEYWORDS
Imaging arrays
Raman spectroscopy
Data acquisition
Imaging spectroscopy
Sensors
Spectroscopy
Data conversion
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