"Saarela, J." - Selaus tekijän mukaan TUNICRIS-julkaisut

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    • Electromechanical films as a photoacoustic transducer 

      Manninen, A.; Sand, J.; Saarela, J.; Sorvajärvi, T.; Toivonen, J.; Hernberg, R. (2009)
      article
      An electromechanical film, EMFi, is utilized as a transducer in a photoacoustic (PA) gas sensor. The film is a sensitive acoustic transducer, it is easily formable, and it exhibits a wide frequency response regardless of ...

    • Wavelength modulation waveforms in laser photoacoustic spectroscopy 

      Saarela, J.; Toivonen, J.; Manninen, A.; Sorvajärvi, T.; Hernberg, R. (2009)
      article
      Different wavelength modulation waveforms were studied comprehensively in tunable diode laser photoacoustic spectroscopy. The generation of the photoacoustic signal was studied by way of simulations and experiments. A ...