Accession Number:

ADD020284

Title:

Pressure Tolerant Fiber Optic Hydrophone

Descriptive Note:

Patent Application Filed 19 Oct 2006

Corporate Author:

DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s):

Report Date:

2006-10-19

Pagination or Media Count:

23.0

Abstract:

An interferometric hydrophone is disclosed that comprises a first mandrel defining an interior that is open to surrounding fluid. A sensing optical fiber is wound upon the first mandrel. A second mandrel is positioned in surrounding relationship with respect to the first mandrel. The first and second mandrels define a first chamber there between. A case encloses the first and second mandrels and first chamber The cylindrical case and the second cylindrical mandrel define a second chamber there between, which is sealed and filled with gas or vacuum.

Subject Categories:

  • Acoustics
  • Fiber Optics and Integrated Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE