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    • 5. 发明公开
    • Optical fiber sensors having long active lengths, systems, and methods
    • 系统和Verfahren的Glasfasersensoren mit langen aktivenLängen
    • EP2498049A1
    • 2012-09-12
    • EP12158880.0
    • 2012-03-09
    • University of Maribor
    • Donlagic, DenisPevec, SimonCibula, Edvard
    • G01B11/16G01L11/02
    • C03B37/14G01B1/00G01B11/18G01B2290/25G01D5/268G01L1/242G01L11/025
    • Optical fiber sensors adapted to measure strain or pressure are disclosed. The optical fiber sensor has a lead-in optical fiber having an end surface at a forward end, and a first optical element having a body with an outer dimension, Do, a front end surface coupled to the lead-in optical fiber, a pedestal including a retracted surface that is spaced from the front end surface, the retracted surface at least partially defining an optical cavity, a gutter surrounding the pedestal, the gutter having a gutter depth defining an active region of length, L, the first optical element further exhibiting L/Do ≥ 0.5. Also provided are systems including the optical fiber sensor, and methods for manufacturing and using the optical fiber sensor. Numerous other aspects are provided.
    • 公开了适于测量应变或压力的光纤传感器。 光纤传感器具有在前端具有端面的引入光纤,以及具有外部尺寸的主体的第一光学元件Do,连接到引入光纤的前端表面,基座 包括与所述前端表面间隔开的缩回表面,所述缩回表面至少部分地限定光学腔,围绕所述基座的沟槽,所述沟槽具有限定长度有效区域L的沟槽深度,所述第一光学元件进一步 展示L / Do‰¥0.5。 还提供了包括光纤传感器的系统,以及用于制造和使用光纤传感器的方法。 提供了许多其他方面。