Performance Enhancement of Opened Resonance Photoacoustic Cells Based on Three Dimensional Topology Optimization

Tang, Zihao1; Ni, Wenjun1; Li, Zehao1; Hou, Jin1; Chen, Shaoping1; Shum, Perry Ping2; Yang, Chunyong1

2021-09-01

10.3390/photonics8090380

PHOTONICS   影响因子和分区

2304-6732

Photoacoustic (PA) spectroscopy techniques enable the detection of trace substances. However, lower threshold detection requirements are increasingly common in practical applications. Thus, we propose a systematic geometry topology optimization approach on a PA cell to enhance the intensity of its detection signal. The model of topology optimization and pressure acoustics in the finite element method was exploited to construct a PA cell and then acquire the optimal structure. In the assessment, a thermo-acoustic model was constructed to properly simulate the frequency response over the range of 0-70 kHz and the temperature field distribution. The simulation results revealed that the acoustic gain of the optimized cell was 2.7 and 1.3 times higher than conventional cells near 25 and 52 kHz, respectively. Moreover, the optimized PA cell achieved a lower threshold detection over a wide frequency range. Ultimately, this study paves a new way for designing and optimizing the geometry of multifarious high-sensitivity PA sensors.

optical sensors photoacoustic cell topology optimization simulation

SCI

英语

其他

Natural Science Foundation of China (NSFC)[62171487,62105373] ; Young and Middle Aged Talents Program of the State Ethnic Affairs Commission[MZR20004] ; Key Technology R&D Program of Hubei province[2020BBB097]

Optics

Optics

WOS:000701107900001

MDPI

Web of Science

1.South Cent Univ Nationalities, Coll Elect & Informat Engn, Hubei Engn Res Ctr Intelligent Internet Things Te, Hubei Key Lab Intelligent Wireless Commun, Wuhan 430074, Peoples R China
2.Southern Univ Sci & Technol, Coll Engn, Dept Elect & Elect Engn, Shenzhen 518055, Peoples R China

Tang, Zihao,Ni, Wenjun,Li, Zehao,et al. Performance Enhancement of Opened Resonance Photoacoustic Cells Based on Three Dimensional Topology Optimization[J]. PHOTONICS,2021,8(9).

Tang, Zihao.,Ni, Wenjun.,Li, Zehao.,Hou, Jin.,Chen, Shaoping.,...&Yang, Chunyong.(2021).Performance Enhancement of Opened Resonance Photoacoustic Cells Based on Three Dimensional Topology Optimization.PHOTONICS,8(9).

Tang, Zihao,et al."Performance Enhancement of Opened Resonance Photoacoustic Cells Based on Three Dimensional Topology Optimization".PHOTONICS 8.9(2021).