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    • 1. 发明申请
    • RUGGED FIBER OPTIC ARRAY
    • 有光纤光栅阵列
    • WO2004034096A3
    • 2004-06-17
    • PCT/US0331266
    • 2003-10-03
    • SABEUS PHOTONICS INCGOLDNER ERIC LBRIGGS WILLIAM
    • GOLDNER ERIC LBRIGGS WILLIAM
    • G01H9/00G01V1/20G01V1/52G02B6/00
    • G01V1/208G01H9/004G01V1/201G01V1/52G02B6/4429
    • An array of fiber optic hydrophones (30) is formed by winding of optical fiber around a continuous, yet flexible cylindrical core (31). The cylindrical core contains an elastomer filled with a specified percentage of voided plastic microspheres. The elastomer provides the necessary radial support of the optical fiber and with the included voided microspheres, provides sufficient radial compliance under acoustic pressure. The cylindrical core can be made in very long sections allowing a plurality of hydrophones to be wound onto it using a single optical fiber, with individual hydrophone elements separated by internal reflectors such as Fiber Bragg Gratings (32). The center of the core may include a strength member and a central hollow tube for the passing of additional optical fibers. The aforementioned hydrophone array is then packaged within a protective outer coating or coatings as required for the specified application.
    • 通过将纤维缠绕在连续而又柔性的圆柱形芯(3​​1)上而形成光纤水听器阵列(30)。 圆柱形芯包含填充有特定百分比的空隙塑料微球的弹性体。 弹性体提供了光纤所需的径向支撑,并且所包含的空隙微球在声压下提供足够的径向顺应性。 圆柱形芯可以制成非常长的部分,允许使用单个光纤缠绕多个水听器,其中各个水听器元件由诸如光纤布拉格光栅(32)的内部反射器分开。 芯的中心可以包括用于使附加光纤通过的强度构件和中心中空管。 然后将上述水听器阵列包装在根据特定应用所需的保护性外涂层或涂层内。