Laser-probe analysis of field distributions within acoustic-surface-wave planar resonators

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Laser-probe analysis of field distributions within acoustic-surface-wave planar resonators

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© The Institution of Electrical Engineers
Published

Transverse boundary conditions can exert a marked influence on internal field configurations within an acoustic-surface-wave planar resonator. Laser-probe plots of field distributions within two ostensibly similar piezoshorting resonators are reported. The results provide some insight into the eigenmode spectrum of both the resonator and the multistrip coupler. It is proposed that planar resonator drive transducer apodisation may be used to reduce overmoding.

Inspec keywords: acoustic surface wave devices; resonators; laser beam applications

Other keywords: laser probe analysis; drive transducer apodisation; field distributions; acoustic surface wave planar resonator; multistrip coupler; eigen mode spectrum; internal field configurations

Subjects: Piezoelectric and ferroelectric devices; Laser beam applications; Laser applications; Acoustic wave devices

References

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