1. Using OCT to Watch an Ear Hear

    Using OCT to Watch an Ear Hear

    A research team led by OSA Fellow Seok-Hyun Yun at the Wellman Center for Photomedicine at Massachusetts General Hospital, USA, reports using a form of optical coherence tomography (OCT) to capture 3-D anatomical and vibrational images of ossicles—tiny bones within the middle ear—as they move in response to sound (Biomed. Opt. Express, doi: 10.1364/BOE.9.005489 ). The imaging method, which they named OCT vibrography, uses OCT phase-synchronized with a range of high-frequency sound stimuli. In demonstrations with a chinchilla ear model, the researchers used OCT vibrography to observe a previously unknown mode of ossicular motion at ...

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