Characterization of a resonant photoacoustic cell using the acoustic transmission line model

Simona M. Cristescu; Dan C. Dumitras; Doru C. A. Dutu

doi:10.1117/12.378679

23 February 2000 Characterization of a resonant photoacoustic cell using the acoustic transmission line model

Simona M. Cristescu, Dan C. Dumitras, Doru C. A. Dutu

Proceedings Volume 4068, SIOEL '99: Sixth Symposium on Optoelectronics; (2000) https://doi.org/10.1117/12.378679
Event: SIOEL: Sixth Symposium of Optoelectronics, 1999, Bucharest, Romania

Abstract

The acoustic transmission line model has been used for a quantitative theoretical description of a resonant photoacoustic (PA) cell excited in its first longitudinal more. Based on this model, the PA cell was divided into a finite number of sequential components represented by analogue electric circuits. Their specific influence to the acoustic behavior of the cell is presented. The parameters of the cell were determined and the result were compared to predictions from classical theory and to the experimental values. In order to obtain an optimum geometry of the cell, the influence of the buffer radius onto the resonance frequency and the quality factor of the photoacoustic cell was studied for a constant value of the buffer length of 75 mm.

Citation Download Citation

Simona M. Cristescu, Dan C. Dumitras, and Doru C. A. Dutu "Characterization of a resonant photoacoustic cell using the acoustic transmission line model", Proc. SPIE 4068, SIOEL '99: Sixth Symposium on Optoelectronics, (23 February 2000); https://doi.org/10.1117/12.378679

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