Patent ID: 7227814
Filing Date: 2007-06-05
Classification: G01H,G01V

Abstract:
1. A hydrophone assembly which comprises: a) a sensing mandrel comprising a cylindrical housing having an elastically deformable outer wall defining a pressurized interior chamber, which sensing mandrel has first and second ends, wherein the second end comprises an exit port which is removably attachable to an end of a reference housing; b) a reference housing comprising an at least partially transparent protective shell defining an inner chamber, which shell has an attachment end which is removably attached to the exit port of the sensing mandrel, a support within the inner chamber, and an openable access end; c) the inner chamber of the reference housing being filled with a substantially incompressible fluid; and d) at least one optical fiber which is wrapped around the outer wall of the sensing mandrel and which optical liber comprises at least one end which extends into the reference housing such that the optical fiber end is present on the support within the reference housing.