{"title":"Surface Acoustic Wave Devices on Frequency Harmonics. Features of Calculating SAW Parameters by the Finite Element Method","authors":"A. S. Koigerov","doi":"10.1134/S0030400X24700334","DOIUrl":null,"url":null,"abstract":"<p>This work is devoted to problems arising in calculation of parameters of surface acoustic waves (SAWs) of the main and multiple frequency harmonics using the finite element method. The technique and main features of the SAW analysis by a numerical method are considered. Simple one-wavelength test cells were chosen as the main mode of the study. It is shown that, using these SAW parameters in the analytical modified coupling-of-modes model, one can preliminarily calculate amplitude–frequency responses of SAW devices using higher-order frequency harmonics. The calculation results are compared with experimental measurements of the transfer coefficients of SAW filter and SAW delay line.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 1","pages":"54 - 63"},"PeriodicalIF":0.8000,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics and Spectroscopy","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1134/S0030400X24700334","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"OPTICS","Score":null,"Total":0}
引用次数: 0
Abstract
This work is devoted to problems arising in calculation of parameters of surface acoustic waves (SAWs) of the main and multiple frequency harmonics using the finite element method. The technique and main features of the SAW analysis by a numerical method are considered. Simple one-wavelength test cells were chosen as the main mode of the study. It is shown that, using these SAW parameters in the analytical modified coupling-of-modes model, one can preliminarily calculate amplitude–frequency responses of SAW devices using higher-order frequency harmonics. The calculation results are compared with experimental measurements of the transfer coefficients of SAW filter and SAW delay line.
期刊介绍：
Optics and Spectroscopy (Optika i spektroskopiya), founded in 1956, presents original and review papers in various fields of modern optics and spectroscopy in the entire wavelength range from radio waves to X-rays. Topics covered include problems of theoretical and experimental spectroscopy of atoms, molecules, and condensed state, lasers and the interaction of laser radiation with matter, physical and geometrical optics, holography, and physical principles of optical instrument making.
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