Tri axis high frequency fiber optic acoustic sensor

Details Tri axis high frequency fiber optic acoustic sensor Tri axis high frequency fiber optic acoustic sensor

2006-05-04

2008-12-09

Lobo, Ian J (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Underwater type

C073S655000, C250S227190, C356S477000

Reexamination Certificate

active

07463555

ABSTRACT:
A fiber optic acoustic sensor that detects pressure waves from all incident angles features multiple mandrels orthogonally disposed to provide omni-directional sensing capability. The topology of the mandrels prevents frequency response drop-off characteristic of cylindrical sensors at wavelengths smaller than ½ the length of the acoustic cylinder. The larger operating bandwidth and omni-directional sensing capability makes this fiber optic acoustic sensor a suitable choice for a wide range of applications.

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