Each such application is thus reviewed in turn, and important achievements are discussed. Ultimately WGM sensors aim for real-world applications, such as measurements of force and temperature, or alternatively gas and biosensing. We therefore summarize the techniques being pursued in this vein. In parallel to furthering WGM sensitivity, efforts to improve the time resolution are beginning to emerge. Proposals in this vein are numerous and range, for example, from plasmonic enhancements and active cavities to hybrid optomechanical sensors, which are already working in the shot noise limited regime. Subsequently we review the state of the art of WGM sensors by outlining efforts made to date to improve current detection limits. Key recent theoretical contributions to the modeling and analysis of WGM systems are highlighted. After a short introduction we begin by detailing the fundamental principles and theory of WGMs in optical microcavities and the transduction mechanisms frequently employed for sensing purposes. We present a comprehensive overview of sensor technology exploiting optical whispering gallery mode (WGM) resonances. Note: Author names will be searched in the keywords field, also, but that may find papers where the person is mentioned, rather than papers they authored.Use a comma to separate multiple people: J Smith, RL Jones, Macarthur.Use these formats for best results: Smith or J Smith.For best results, use the separate Authors field to search for author names.Use quotation marks ' ' around specific phrases where you want the entire phrase only.Question mark (?) - Example: 'gr?y' retrieves documents containing 'grey' or 'gray'.Asterisk ( * ) - Example: 'elect*' retrieves documents containing 'electron,' 'electronic,' and 'electricity'.

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Film semi korea 168