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首页> 外文会议>International Conference on Computer Aided Optimum Design in Engineering; 2007; Myrtle Beach,SC(US) >Towards the optimization of photoacoustic sensors
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Towards the optimization of photoacoustic sensors

机译：致力于光声传感器的优化

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摘要

The detection sensitivity of photoacoustic sensors strongly depends on the design of the acoustical cell. It can be considerably improved by taking advantage of cell resonances, i.e., the acoustical eigenmodes of the measuring chamber. In order to optimize a photoacoustic system, it is key to understand precisely the influence of optical excitation, sound wave generation, cell shape and microphone detection on the signal strength in the sample cell. In this paper, first steps towards the optimization of photoacoustic cells are presented. The evaluation of the objective function, the signal strength, is based on a finite element analysis of the pressure field. As a start, independent optimization of some key parameters are investigated.
机译：光声传感器的检测灵敏度在很大程度上取决于声学单元的设计。通过利用细胞共振，即测量室的声学本征模，可以大大改善它。为了优化光声系统，准确了解光激发，声波产生，单元形状和麦克风检测对样品池信号强度的影响至关重要。在本文中，提出了优化光声细胞的第一步。目标函数信号强度的评估基于对压力场的有限元分析。首先，研究一些关键参数的独立优化。

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