Exploració per autor "Calavia, Raul"

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    • Compact device for CO2 optical sensing using macroporous silicon photonic crystals 

      Vega Bru, Didac; Rodríguez Martínez, Ángel; Todorov Trifonov, Trifon; Calavia, Raul; Vilanova, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      A photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ...

    • Smart control of chemical gas sensors for the reduction of their time response 

      Domínguez Pumar, Manuel; Kowalski, Lukasz; Calavia, Raul; Llobet, E. (2016-06-28)
      Article
      Accés obert
      The objective of this paper is to show the first results obtained with a gas sensor made of Au-functionalized WO3 nanoneedles working under a closed-loop control designed to reduce its time response. The average temperature ...