A compact optical system for the interrogation of microcantilevers

F. Baldini; A. Giannetti; A. A. Mencaglia; F. Senesi; L. Citti; C. Domenici; L. Tedeschi; D. Gozzoli

doi:10.1117/12.738616

2 July 2007 A compact optical system for the interrogation of microcantilevers

F. Baldini, A. Giannetti, A. A. Mencaglia, F. Senesi, L. Citti, C. Domenici, L. Tedeschi, D. Gozzoli

Proceedings Volume 6619, Third European Workshop on Optical Fibre Sensors; 661924 (2007) https://doi.org/10.1117/12.738616
Event: Third European Workshop on Optical Fibre Sensors, 2007, Napoli, Italy

Abstract

The present paper is concerned with the development of an optical system capable of interrogating an array of silicon microcantilevers. The use of a laser line-generator and of a CCD camera allows the simultaneous interrogation of the eight cantilevers of the chip without movable parts. The resolution achieved in terms of displacement of each cantilever end is better than 7.5 nm. As an example of the operation, the system has been characterized as a refractometer by filling the cell with liquids having different index of refraction.

Citation Download Citation

F. Baldini, A. Giannetti, A. A. Mencaglia, F. Senesi, L. Citti, C. Domenici, L. Tedeschi, and D. Gozzoli "A compact optical system for the interrogation of microcantilevers", Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 661924 (2 July 2007); https://doi.org/10.1117/12.738616

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