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    • 4. 发明申请
    • A TORSION SENSOR
    • TORSION传感器
    • WO2008007062A2
    • 2008-01-17
    • PCT/GB2007/002547
    • 2007-07-09
    • ASTON UNIVERSITYBENNION, IanZHOU, KaimingCHEN, XianfengZHANG, Lin
    • BENNION, IanZHOU, KaimingCHEN, XianfengZHANG, Lin
    • G01L1/00
    • G01M11/088G01L3/12
    • A torsion sensor (1) using an optical waveguide (2) in optical communication with a diffraction grating (3), preferably a tilted grating, and most preferably a tilted Bragg grating, which provides the optical waveguide and grating with a torsion-dependent collective optical transmission spectrum. Changes in the collective optical transmission spectrum of the waveguide and grating, induced by changes in the amount of torsion applied to the waveguide, may be detected (12) by detecting a corresponding change in the intensity of optical radiation transmitted through the grating from a controlled optical source (5). The degree of change in the collective optical transmission spectrum is dependent upon the degree of torsion (twist) applied to the optical waveguide. Measuring the magnitude and/or sense ( i.e. increase/decrease) in the intensity of optical radiation transmitted through the grating from an optical source enables torsion to be sensed.
    • 使用与衍射光栅(3)光学连通的光波导(2)的扭转传感器(1),优选地是倾斜光栅,最优选地是倾斜的布拉格光栅,其向光波导和光栅提供扭转依赖的集合 光传输光谱。 通过检测通过光栅传输的光辐射的强度对应变化(12),可以检测波导和光栅的集体光透射光谱的变化(由施加到波导的扭转量的变化引起) 光源(5)。 集体光透射光谱的变化程度取决于施加到光波导的扭转程度(扭曲)。 测量从光源传输通过光栅的光辐射的强度的大小和/或感觉(即增加/减少)使得能够感测扭转。
    • 10. 发明申请
    • A TORSION SENSOR
    • 扭转传感器
    • WO2008007062A3
    • 2008-03-13
    • PCT/GB2007002547
    • 2007-07-09
    • UNIV ASTONBENNION IANZHOU KAIMINGCHEN XIANFENGZHANG LIN
    • BENNION IANZHOU KAIMINGCHEN XIANFENGZHANG LIN
    • G01L1/00
    • G01M11/088G01L3/12
    • A torsion sensor (1) using an optical waveguide (2) in optical communication with a diffraction grating (3), preferably a tilted grating, and most preferably a tilted Bragg grating, which provides the optical waveguide and grating with a torsion-dependent collective optical transmission spectrum. Changes in the collective optical transmission spectrum of the waveguide and grating, induced by changes in the amount of torsion applied to the waveguide, may be detected (12) by detecting a corresponding change in the intensity of optical radiation transmitted through the grating from a controlled optical source (5). The degree of change in the collective optical transmission spectrum is dependent upon the degree of torsion (twist) applied to the optical waveguide. Measuring the magnitude and/or sense (i.e. increase/decrease) in the intensity of optical radiation transmitted through the grating from an optical source enables torsion to be sensed.
    • 一种使用与衍射光栅(3)光学通信的光波导(2)的扭转传感器(1),优选为倾斜光栅,并且最优选为倾斜布拉格光栅,其为光波导和光栅提供扭转相关集合 光传输频谱。 通过检测通过光栅传输的光辐射强度的相应变化,可以检测(12)由施加到波导的扭转量的变化引起的波导和光栅的集体光透射频谱的变化 光源(5)。 集体光传输频谱的变化程度取决于施加到光波导的扭曲程度(扭曲)。 测量从光源通过光栅透射的光辐射的强度的量值和/或感测(即增加/减少)使得能够感测扭转。