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Shao, Linbo; Jiang, Xue-Feng; Yu, Xiao-Chong; Li, Bei-Bei; Clements, William R.; Vollmer, Frank; Wang, Wei; Xiao, Yun-Feng; Gong, Qihuang
Advanced materials (Weinheim), 10/2013, Letnik: 25, Številka: 39Journal Article
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.
