Optomechanical microcavities are extremely small structures with diameters of less than 10 micrometers (about a tenth of a human hair) inside which light and mechanical vibrations are confined. Thanks to their small size and to efficient microfabrication techniques that enable them to hold intense light energy and interact with mechanical waves, microcavities can be used as mass and acceleration sensors and in Raman scattering (a spectroscopy technique deployed to analyze materials, including gases, liquids, and solids). A sound understanding of these phenomena can contribute in future to advances in areas such as biomedicine, including the development of sensors to detect molecules that serve as cancer markers, for example.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/3b9UaIo
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