Fugro Technology B.v.

Wim De Jong

Devrez Mehmet Karabacak

Bastiaan Meulblok

German Enrique Knoppers

Rudy Van Beelen

An optical pressure sensor device () comprises: &#x2014;a chamber () filled with pressure transfer medium and having at least one window () transparent to pressure waves; &#x2014;an optical fiber () with a Fiber Bragg Grating (); &#x2014;a first pressure-sensitive mounting assembly () arranged within the chamber, holding the optical fiber; &#x2014;a second pressure-sensitive mounting assembly () arranged within the chamber, holding the optical fiber. &#x2014;The first pressure-sensitive mounting assembly, the second pressure-sensitive mounting assembly, and a static pressure compensation assembly () comprise pairs of bellows arranged on opposite sides of the fiber (). &#x2014;The bellows () of the static pressure compensation assembly have their interior in fluid communication with the pressure transfer medium in the chamber via a choke channel (), and have very low static stiffness.

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Leidschendam, Netherlands

Wim De Jong