Longitudinal mode fiber acoustic waveguide with solid core and solid cladding
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United States of America Patent
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-
May 10, 1988
Grant Date -
N/A
app pub date -
Sep 23, 1986
filing date -
Oct 3, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An elastic waveguide, for propagating acoustic waves, consists of an elongated solid core region and an elongated solid outer cladding region. The acoustic waves propagate in a mode where the principle particle displacement is substantially parallel to the longitudinal axis of the waveguide, this mode is called longitudinal mode. The material densities and the bulk shear wave velocities of the core and cladding region are substantially the same but the bulk longitudinal wave velocity of the cladding region is larger than that of the core region.
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