The optical tunnel effect allows the measurement of distances between two media separated by an optically less dense medium. Variations of distance by fractions of a nanometer can be detected. A general theory of the effect has been developed in order to design different experimental setups for biophysical applications. An optimum agreement has been achieved between theoretical and experimental data. A first attempt to detect the swelling of cells in suitable biological samples has been performed.
Detection of cell swelling by optical tunnel effect / M. Maringelli, G. Bonazzola, G. Ciocchetti, E. Conte, A. De Marco, G. Monticelli, A. Trabucco. ((Intervento presentato al 8. convegno International Biophysics Congress tenutosi a Bristol nel 1984.
Detection of cell swelling by optical tunnel effect
G. Monticelli;
1984
Abstract
The optical tunnel effect allows the measurement of distances between two media separated by an optically less dense medium. Variations of distance by fractions of a nanometer can be detected. A general theory of the effect has been developed in order to design different experimental setups for biophysical applications. An optimum agreement has been achieved between theoretical and experimental data. A first attempt to detect the swelling of cells in suitable biological samples has been performed.
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