Brillouin spectroscopy applied to the characterization of SAW propagation losses in langasite

Author

Vincent, B. ; Aubert, T. ; Elmazria, O. ; Seifaddini, M. ; Rouxel, Didier ; Kruger, Jan Kristian

Author_Institution

Inst. Jean Lamour, Nancy Univ., Nancy, France

fYear

2010

fDate

11-14 Oct. 2010

Firstpage

539

Lastpage

542

Abstract

High performance Brillouin microscopy has been used in order to directly measure the propagation losses of surface acoustic wave in Langasite substrate. The interdigital transducers (IDTs) were designed to generate several harmonics leading to induce acoustic waves with different wavelengths. The induced phonons were detected and characterized at different frequencies and at different distance from IDTs leading to precisely determine the propagation losses for all the excited frequencies 681, 1267 and 1463 MHz.

Keywords

Brillouin spectra; acoustic wave propagation; interdigital transducers; surface acoustic wave devices; IDT; SAW propagation losses; brillouin spectroscopy; frequency 1463 MHz; frequency 681.1267 MHz; harmonics; induced phonons; interdigital transducers; langasite substrate; surface acoustic wave; Acoustic measurements; Frequency measurement; Propagation losses; Scattering; Surface acoustic waves; Brillouin spectroscopy; LGS; SAW; acoustic propagation loss;

fLanguage

English

Publisher

ieee

Conference_Titel

Ultrasonics Symposium (IUS), 2010 IEEE

Conference_Location

San Diego, CA

ISSN

1948-5719

Print_ISBN

978-1-4577-0382-9

Type

conf

DOI

10.1109/ULTSYM.2010.5935760

Filename

5935760