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Contact: Jason Socrates Bardi
American Institute of Physics

Optical Gas Sensing in a Polymer Nanocavity

Caption: High-sensitivity detection of dilute gases is demonstrated by monitoring the resonance of a suspended polymer nanocavity. The inset shows the target gas molecules (darker) interacting with the polymer material (lighter). This interaction causes the nanocavity to swell, resulting in a shift of its resonance.

Credit: H. Clevenson/MIT

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Related news release: Swell new sensors

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