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Development of an IR photoacoustic sensor for fluidic and microfluidc applications

Technological challenge: Factory of the future incl. robotics and non destructive testing (learn more)

Department: Département d'Optronique (LETI)

Laboratory: Laboratoire des Capteurs Optiques

Start Date: 01-09-2022

Location: Grenoble

CEA Code: SL-DRT-22-0682

Contact: kevin.jourde@cea.fr

The LCO (?'Laboratoire des Capteurs Optiques'', standing for Optical Sensors Laboratory) develops both mid infrared (MIR) to visible Silicon integrated photonic components, and innovative sensors. Starting from upstream research down to industrial transfers, those sensors get to find environmental, healthcare, and defense and security applications. The LCO has acquired a strong expertise about MIR photoacoustic sensors for trace gas detection. It is now willing to push this technology to the characterization of liquid flows in macroscopic systems, and/or microfluidic applications. This Phd subject contains a theoretical and an experimental part. First, it is proposed to evaluate through simulation the feasibility and relevance of multiple measurement configurations. Then, it is suggested to move forward with designing and building a sensor, and to operate it. Depending on the work maturity, a sensor could be built into the CEA clean rooms. Finally, the sensor could be tested for a medical or industrial applications through a collaboration with another CEA laboratory.

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