Measurement of the casimir force using a micromechanical torsional oscillator:

Ricardo S. Decca, Daniel LÓpez

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Experimental procedures associated with the electrostatic calibration of a microelectromechanical torsional oscillator are reported. These calibrations are required for the precision measurements of the Casimir force between a Au-coated sapphire sphere and a Au-coated polysilicon plate. It is shown that the electrostatic force between the surfaces is made zero by the application of a potential difference Vo between the sphere and the plate. V o is found to be independent of position and separation within the experimental error.

Original languageEnglish (US)
Pages (from-to)1748-1756
Number of pages9
JournalInternational Journal of Modern Physics A
Issue number8-9
StatePublished - Apr 10 2009

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics


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