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Biophotonics

Listening to microorganisms with light

Combining photoacoustic excitation with optomechanics enables the mechanical modes associated with entire microorganisms to be detected, demonstrating that mechanical spectroscopy allows us to identify microorganisms and characterize their life stages.

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Fig. 1: Mechanical spectroscopy of microorganisms based on optical microcavities.

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Correspondence to Eduardo Gil-Santos.

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Gil-Santos, E. Listening to microorganisms with light. Nat. Photon. 17, 931–932 (2023). https://doi.org/10.1038/s41566-023-01317-7

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