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Photoacoustic-spectroscopy system for detecting chemicals & gases

Leti, an institute of CEA-Tech, has developed a photoacoustic spectroscopy technology for monitoring dangerous chemical emissions and traces of gas that could reduce the cost and the size these systems by a factor of 10 or more compared to existing tools.
To be presented in an invited paper at Photonics West 2020 titled “Micro PA detector: pushing the limits of mid-IR photoacoustic spectroscopy integrated on silicon”, the detector also provides high immunity to external noise and high sensitivity and selectivity.
 




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