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Microresonators

Particle sizing by mode splitting

Nature Photonics volume 4, pages 910 (2010) | Download Citation

It has long been known that the optical resonances of ultrahigh-Q whispering gallery mode resonators can split under the influence of particle scattering. Now scientists have exploited this splitting to accurately determine particle sizes.

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Author information

Affiliations

  1. Tobias J. Kippenberg is at the Ecole Polytechnique Fédérale de Lausanne, Lausanne CH-1015, Switzerland, and is partly affiliated with the Max Planck Institute of Quantum Optics, Garching D-85748, Germany.  tobias.kippenberg@epfl.ch

    • Tobias J. Kippenberg

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DOI

https://doi.org/10.1038/nphoton.2009.246

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