Analysis of cladded acoustic fibers of hexagonal crystal symmetry

Author

Dai, J.D. ; Winkel, V. ; Oliveira, J.E.B. ; Jen, C.K.

Author_Institution

Dept. of Electr. Eng., McGill Univ., Montreal, Que., Canada

Volume

39

Issue

6

fYear

1992

Firstpage

730

Lastpage

736

Abstract

A cladded acoustic fiber consisting of a core and an infinite thick cladding both having a hexagonal crystal symmetry is analyzed. The crystalline Z axes of both core and cladding are parallel to the fiber axis. Dispersion equations and field distributions for all modes are derived, and previously reported results for the isotropic case are retrieved. Numerical results for a few lowest-order pure guided torsional, radial-axial and flexural modes are shown. Material considerations are discussed.<>

Keywords

acoustic dispersion; acoustic wave propagation; acoustic waveguides; fibres; acoustic fiber theory; cladded acoustic fibers; crystalline Z axes; dispersion equations; field distributions; flexural modes; guided flexural modes; guided radial-axial modes; guided torsional modes; hexagonal crystal symmetry; infinite thick cladding; isotropic case; lowest order modes; Acoustic imaging; Acoustic materials; Acoustic propagation; Acoustic waves; Anisotropic magnetoresistance; Brazil Council; Crystalline materials; Crystallization; Delay lines; Equations;

fLanguage

English

Journal_Title

Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on

Publisher

ieee

ISSN

0885-3010

Type

jour

DOI

10.1109/58.165558

Filename

165558