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公开(公告)号：EP0682262A3
公开(公告)日：1996-11-27
申请号：EP95107267.7
申请日：1995-05-12
发明人： Toba, Yoshikazu, c/o Tokin Corporation , Kondo, Michikazu, c/o Tokin Corporation , Sato, Yoshiro, c/o Tokin Corporation , Hayeiwa, Kazuhisa , Naka, Hisashi , Ishikawa, Tadasu
IPC分类号： G01R29/08
CPC分类号： G01R29/0885
摘要： An electric field sensor comprises an electric field sensor head (3) for varying an intensity of a propagating light beam in response to an electric field intensity of an input signal received by a reception antenna (1). The electric field sensor head (3) comprises an incident optical waveguide (9), two phase-shift optical waveguides (10) having a variable refractive index which varies in response to the electric field intensity, an outgoing optical waveguide (11), at least one modulation electrode (12) formed in the vicinity of at least one of the two phase-shift optical waveguides (19). The electric field sensor further comprises a resonator circuit (2) connected between the modulation electrode (12) and the reception antenna (1). The modulation electrode (12) has a thickness not smaller than 1 µm. The modulation electrode (12) may comprise a plurality of split electrodes split in a light propagating direction and capacitively coupled. The reception antenna (1) is preferably implemented by a low radiation resistance antenna.
摘要翻译： 电场传感器包括用于响应于由接收天线（1）接收的输入信号的电场强度来改变传播光束的强度的电场传感器头（3）。 电场传感器头（3）包括入射光波导（9），具有根据电场强度变化的可变折射率的两个相移光波导（10），出射光波导（11），在 形成在两个相移光波导（19）中的至少一个附近的至少一个调制电极（12）。 电场传感器还包括连接在调制电极（12）和接收天线（1）之间的谐振电路（2）。 调制电极（12）的厚度不小于1μm。 调制电极（12）可以包括沿光传播方向分开并电容耦合的多个分裂电极。 接收天线（1）优选地由低辐射电阻天线实现。
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公开(公告)号：EP0682262A2
公开(公告)日：1995-11-15
申请号：EP95107267.7
申请日：1995-05-12
发明人： Toba, Yoshikazu, c/o Tokin Corporation , Kondo, Michikazu, c/o Tokin Corporation , Sato, Yoshiro, c/o Tokin Corporation , Hayeiwa, Kazuhisa , Naka, Hisashi , Ishikawa, Tadasu
IPC分类号： G01R29/08
CPC分类号： G01R29/0885
摘要： An electric field sensor comprises an electric field sensor head (3) for varying an intensity of a propagating light beam in response to an electric field intensity of an input signal received by a reception antenna (1). The electric field sensor head (3) comprises an incident optical waveguide (9), two phase-shift optical waveguides (10) having a variable refractive index which varies in response to the electric field intensity, an outgoing optical waveguide (11), at least one modulation electrode (12) formed in the vicinity of at least one of the two phase-shift optical waveguides (19). The electric field sensor further comprises a resonator circuit (2) connected between the modulation electrode (12) and the reception antenna (1). The modulation electrode (12) has a thickness not smaller than 1 µm. The modulation electrode (12) may comprise a plurality of split electrodes split in a light propagating direction and capacitively coupled. The reception antenna (1) is preferably implemented by a low radiation resistance antenna.
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