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    • 1. 发明授权
    • Multi-mode horn
    • 多模喇叭
    • US06411263B1
    • 2002-06-25
    • US09675449
    • 2000-09-28
    • Jeffrey M. Neilson
    • Jeffrey M. Neilson
    • H01Q1300
    • H01Q13/025
    • A horn has an input aperture and an output aperture, and comprises a conductive inner surface formed by rotating a curve about a central axis. The curve comprises a first arc having an input aperture end and a transition end, and a second arc having a transition end and an output aperture end. When rotated about the central axis, the first arc input aperture end forms an input aperture, and the second arc output aperture end forms an output aperture. The curve is then optimized to provide a mode conversion which maximizes the power transfer of input energy to the Gaussian mode at the output aperture.
    • 喇叭具有输入孔和输出孔,并且包括通过围绕中心轴旋转曲线而形成的导电内表面。 该曲线包括具有输入孔径端和过渡端的第一弧,以及具有过渡端和输出孔端的第二弧。 当围绕中心轴线旋转时,第一弧形输入孔径端部形成输入孔,并且第二弧形输出孔径端部形成输出孔径。 然后优化曲线以提供模式转换,其使输出能量的功率传递最大化到输出孔径处的高斯模式。
    • 2. 发明授权
    • Coupler for coupling gyrotron whispering gallery mode RF into HE11 waveguide
    • 耦合器用于将陀螺仪耳语廊模式RF耦合到HE11波导中
    • US08963424B1
    • 2015-02-24
    • US13016995
    • 2011-01-29
    • Jeffrey M. Neilson
    • Jeffrey M. Neilson
    • H01J23/40
    • H01J23/40H01J25/025
    • A cylindrical waveguide with a mode converter transforms a whispering gallery mode from a gyrotron cylindrical waveguide with a helical cut launch edge to a quasi-Gaussian beam suitable for conveyance through a corrugated waveguide. This quasi-Gaussian beam is radiated away from the waveguide using a spiral cut launch edge, which is in close proximity to a first mode converting reflector. The first mode converting reflector is coupled to a second mode converting reflector which provides an output free-space HE11 mode wave suitable for direct coupling into a corrugated waveguide. The radiated beam produced at the output of the second mode converting reflector is substantially circular.
    • 具有模式转换器的圆柱形波导将来自具有螺旋切割发射边缘的陀螺仪圆柱形波导的耳语廊模式转换成适合于通过波纹波导传送的准高斯光束。 使用紧邻第一模式转换反射器的螺旋切割发射边缘将该准高斯光束从波导辐射离开。 第一模式转换反射器耦合到第二模式转换反射器,其提供适于直接耦合到波纹波导中的输出自由空间HE11模式波。 在第二模式转换反射器的输出处产生的辐射光束基本上是圆形的。