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    • 2. 发明授权
    • Fiber apparatus and method for manipulating optical signals
    • 用于操纵光信号的光纤装置和方法
    • US06608952B2
    • 2003-08-19
    • US09929989
    • 2001-08-15
    • Benjamin John EggletonArturo HaleCharles KerbageRobert Scott Windeler
    • Benjamin John EggletonArturo HaleCharles KerbageRobert Scott Windeler
    • G02B626
    • G02B6/02376G02B6/02052G02B6/02366G02B6/02371G02B6/02385G02B6/0239G02F1/0115G02F1/0147G02F2202/32G02F2203/48
    • Embodiments of the invention include an optical fiber device such as a modulator, variable attenuator or tunable filter including an optical fiber having a core region, a cladding layer around the core region, and a controllable active material disposed in, e.g., capillaries or rings formed the cladding layer. The active materials include, e.g., electro-optic material, magneto-optic material, photorefractive material, thermo-optic material and/or materials such as laser dyes that provide tunable gain or loss. The application of, e.g., temperature, light or an electric or magnetic field varies optical properties of the active material, which, in turn, varies or affects the propagation properties of optical signals in the device. The optical device includes a tapered region that causes the core mode to spread into the cladding region and, simultaneously, allows the active material to be relatively close to the propagated modes, thus allowing interaction between the active material and the propagating modes.
    • 本发明的实施例包括诸如调制器,可变衰减器或可调谐滤波器的光纤器件,其包括具有芯区域的光纤,围绕芯区域的包层,以及设置在例如形成的毛细管或环的可控活性材料 包层。 活性材料包括例如电光材料,磁光材料,光折射材料,热光材料和/或诸如提供可调谐增益或损耗的激光染料的材料。 例如温度,光或电场或磁场的应用改变了活性材料的光学性质,其又改变或影响装置中光信号的传播特性。 光学器件包括使芯模扩展到包层区域并同时允许活性材料相对接近传播模式的锥形区域,从而允许活性材料与传播模式之间的相互作用。
    • 3. 发明授权
    • Microstructured optical waveguide for providing periodic and resonant structures
    • 用于提供周期性和谐振结构的微结构光波导
    • US07440664B2
    • 2008-10-21
    • US10409227
    • 2003-04-08
    • Benjamin J. EggletonJustin D. GingArturo HaleCharles Kerbage
    • Benjamin J. EggletonJustin D. GingArturo HaleCharles Kerbage
    • G02B6/02
    • G02B6/021G02B6/02204G02B6/02366G02B6/02376G02B6/02385G02B6/0239
    • A microstructured optical waveguide is formed to include a periodic sequence of “plugs” of optically active material within the inner cladding air tunnels. The plugs are utilized as a grating structure for generating resonant and periodic structures. The waveguide (in one embodiment, an optical fiber) is tunable by changing the spacing of the plugs (e.g., heating the structure, changing the pressure within the structure, etc.), or by modifying the initial spacing of the plugs during the formation of the microstructured optical waveguide (i.e., by modifying the “dipping frequency” of the waveguide into a reservoir of optically active material). In general, any number of different types of optically active material may be used to form the plugs, where two or more different materials may be used in the same structure, and introduced in an alternating fashion.
    • 形成微结构化光波导以在内包层空气隧道内包括光学活性材料的“插塞”的周期性序列。 插头被用作用于产生谐振和周期性结构的光栅结构。 波导(在一个实施例中,光纤)可通过改变插头的间距(例如,加热结构,改变结构内的压力等)来调节,或通过在形成期间修改塞子的初始间隔来调节 的微结构光波导(即,通过将波导的“浸渍频率”改变为光学活性材料的储存器)。 通常,可以使用任何数量的不同类型的光学活性材料来形成插塞,其中可以以相同的结构使用两种或更多种不同的材料,并以交替方式引入。
    • 4. 发明授权
    • Modifying birefringence in optical fibers
    • 修改光纤双折射
    • US06782148B2
    • 2004-08-24
    • US10098229
    • 2002-03-15
    • Benjamin John EggletonCharles Kerbage
    • Benjamin John EggletonCharles Kerbage
    • G02B600
    • G02B6/02366G02B6/02109G02B6/02333G02B6/02371G02B6/02376G02B6/02385G02B6/0239G02B6/105G02F1/0115G02F1/0136G02F1/0147G02F1/073G02F2202/32
    • Embodiments of the invention include an optical fiber device such as a tunable birefringent optical fiber having a core region, a cladding layer therearound, and a controllable active material disposed in, e.g., selective capillaries or pockets formed in the cladding layer. The active materials include, e.g., electro-optic material, magneto-optic material, photorefractive material, thermo-optic material and/or materials such as laser dyes that provide tunable gain or loss. The application of, e.g., temperature, light or an electric or magnetic field varies optical properties of the active material, which, in turn, varies or affects the propagation properties of optical signals in the device. The optical device can include a tapered region or long period grating that causes the core mode to spread or couple into the cladding region and, simultaneously, allows the active material to be relatively close to the propagated modes, thus allowing interaction between the active material and the propagating modes.
    • 本发明的实施例包括诸如具有芯区域,其周围的包层的可调双折射光纤的光纤器件和设置在例如形成在包层中的选择性毛细管或凹穴的可控有源材料。 活性材料包括例如电光材料,磁光材料,光折射材料,热光材料和/或诸如提供可调谐增益或损耗的激光染料的材料。 例如温度,光或电场或磁场的应用改变了活性材料的光学性质,其又改变或影响装置中光信号的传播特性。 光学器件可以包括锥形区域或长周期光栅,其使核心模式扩展或耦合到包层区域中,并且同时允许活性材料相对接近传播模式,从而允许活性材料和 传播模式。