Parallelized compressive spontaneous Raman imaging via SPAD arrays (Conference Presentation)

Clémence Gentner; Samuel Burri; Edoardo Charbon; Claudio Bruschini; Hilton B. de Aguiar

doi:10.1117/12.2649162

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

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.

Conference Presentation

Citation Download Citation

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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