Journal
ADVANCED MATERIALS
Volume 25, Issue 39, Pages 5616-+Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma201302572
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Funding
- 973 program [2013CB328704]
- NSFC [11222440, 11004003, 1121091]
- Beijing Natural Science Foundation [4132058]
- Max Planck Society
- National Fund for Fostering Talents of Basic Science [J1030310, J1103205]
- Undergraduate Innovational Experimentation Program of Beijing
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A new label-free sensing mechanism is demonstrated experimentally by monitoring the whispering-gallery mode broadening in microcavities. It is immune to both noise from the probe laser and environmental disturbances, and is able to remove the strict requirement for ultra-high-Q mode cavities for sensitive nanoparticle detection. This ability to sense nanoscale objects and biological analytes is particularly crucial for wide applications.
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