1. Articles from Antoine Ramier

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    1. Observation of sound-induced corneal vibrational modes by optical coherence tomography

      Observation of sound-induced corneal vibrational modes by optical coherence tomography

      The mechanical stability of the cornea is critical for maintaining its normal shape and refractive function. Here, we report an observation of the mechanical resonance modes of the cornea excited by sound waves and detected by using phase-sensitive optical coherence tomography. The cornea in bovine eye globes exhibited three resonance modes in a frequency range of 50-400 Hz. The vibration amplitude of the fundamental mode at 80-120 Hz was ~8 µm at a sound pressure level of 100 dB (2 Pa). Vibrography allows the visualization of the radially symmetric profiles of the resonance modes. A dynamic finite-element analysis supports our ...

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  2. Topics in the News

    1. (1 articles) Harvard University
    2. (1 articles) University of Maryland
    3. (1 articles) Massachusetts General Hospital
    4. (1 articles) Spanish National Research Council
    5. (1 articles) B. Imran Akca
    6. (1 articles) Susana Marcos
    7. (1 articles) Seok-Hyun Yun
    8. (1 articles) Ernest W. Chang
    9. (1 articles) Northwestern University
    10. (1 articles) UCLA
    11. (1 articles) Srinivas R. Sadda
    12. (1 articles) K. Bailey Freund
    13. (1 articles) Avinger
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